Harry Williams

University of North Texas

H-index: 210

North America-United States

About Harry Williams

Harry Williams, With an exceptional h-index of 210 and a recent h-index of 140 (since 2020), a distinguished researcher at University of North Texas, specializes in the field of Coastal Geomorphology.

His recent articles reflect a diverse array of research interests and contributions to the field:

Exploring Hydrogen Storage Strategies in Geological Formations to Minimise Gas Mixing

198 Reliable and interpretable segmentation for remote assessment of atopic dermatitis severity using digital images

Trends in eczema prevalence in children and adolescents: A Global Asthma Network Phase I Study

Implementation of the HOME core outcome set for clinical trials of atopic eczema—barriers and opportunities: the HOME IX meeting report

Response to ‘The role of curettage as an intervention for basal cell carcinoma’. Re.‘Interventions for basal cell carcinoma: abridged Cochrane systematic review and GRADE …

Observation of Production in Collisions at with the ATLAS Detector

Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at√ s= 13 TeV with the ATLAS detector

Search for new phenomena in three-or four-lepton events in pp collisions at s= 13 TeV with the ATLAS detector

Harry Williams Information

University	University of North Texas
Position	___
Citations(all)	200225
Citations(since 2020)	87726
Cited By	105878
hIndex(all)	210
hIndex(since 2020)	140
i10Index(all)	1106
i10Index(since 2020)	749
Email	Access Email
University Profile Page	University of North Texas

Harry Williams Skills & Research Interests

Coastal Geomorphology

Top articles of Harry Williams

Exploring Hydrogen Storage Strategies in Geological Formations to Minimise Gas Mixing

Authors

Harri Williams,Niklas Heinemann,Ian Monar,Fernanda Veloso,Carl Boardman,Toni Gladding,Tarek Rashwan

Published Date

2024/3/7

Large-scale H 2 storage within porous geological formations–such as depleted hydrocarbon reservoirs–presents a practical opportunity leveraging existing energy industry infrastructure to address renewable energy intermittency (eg, from wind and solar). H 2 can be generated from excess renewable energy, stored in these reservoirs, and drawn when needed. Depleted gas reservoirs have proven to trap gases (eg, natural CH 4) over geological timescales, and have been used for large-scale CH 4 storage. The working gas (ie, H 2) is the fraction that is injected, stored temporarily, and produced from the reservoir. The cushion gas, the share of the injected gas that remains in the reservoir to maintain operational pressures and drive the production, represents an initial investment in the storage operation. Therefore, because H 2 is relatively expensive, the use of a cheaper alternative cushion gas–such as CO 2 and …

198 Reliable and interpretable segmentation for remote assessment of atopic dermatitis severity using digital images

Authors

K Pan,R Attar,G Hurault,H Williams,R Tanaka

Journal

Journal of Investigative Dermatology

Published Date

2023/5/1

Assessing the severity of atopic dermatitis (AD) traditionally relies on a face-to-face assessment by healthcare professionals and may suffer from inter-and intra-rater variability. With the increasing demand for better patient self-care and the growing popularity of telemedicine post-pandemic, the ability to assess AD severity remotely from digital images, such as those taken with a smartphone camera, is becoming increasingly important. Previously, we developed EczemaNet, a fully automated computer vision pipeline for detecting and assessing AD severity. It demonstrated good performance for assessing AD severity in real-world images while being robust to suboptimal imaging conditions. However, we recognize that it had limitations in practical use due to its lack of interpretability in AD area segmentation and to the need for more reliable AD segmentation data provided by specialists. At the same time, we also …

Trends in eczema prevalence in children and adolescents: A Global Asthma Network Phase I Study

Authors

Sinéad Máire Langan,Amy R Mulick,Charlotte E Rutter,Richard J Silverwood,Innes Asher,Luis García‐Marcos,Eamon Ellwood,Karen Bissell,Chen‐Yuan Chiang,Asma El Sony,Philippa Ellwood,Guy B Marks,Kevin Mortimer,A Elena Martínez‐Torres,Eva Morales,Virginia Perez‐Fernandez,Steven Robertson,Hywel C Williams,David P Strachan,Neil Pearce,Global Asthma Network Phase I Study Group,Karen Bissell,Chen Yuan Chiang,Marks,Kevin Mortimer,R Masekela,Virginia Perez‐Fernández,A Elena Martinez‐Torres,Steven Robertson,Charlotte E Rutter,Richard J Silverwood,Javier Mallol,Manual E Soto‐Martinez,Angelita Cabrera Aguilar,Konstantinos Douros,Samira Mohammed,Menu Singh,Virendra Singh,Thevaruparambil Unny Sukumaran,Shally Awasthi,Sushil Kumar Kabra,Sundeep Salvi,Juan Valente Mérida‐Palacio,Sandra Nora González‐Díaz,Elsy Maureen Navarrete‐Rodriguez,José Félix Sánchez,Adegoke G Falade,Heather J Zar,Angel López‐Silvarrey Varela,Carlos González Díaz,Madge Nour,Gazel Dib,Yousser Mohammad,Jing‐Long Huang,Sasawan Chinratanapisit,Manuel E Soto‐Quirós,Asma El‐Sony,Patik Vichyanond,Pedro Aguilar,Sergio Barba,Lata Kumar,SK Sharma,Neeta Milind Hanumante,Roberto García‐Almaráz,Juan Valente Merida‐Palacio,Blanca Estela Del‐Río‐Navarro,Francisco Javier Linares‐Zapién,Babatunde O Onadeko,Omer Abdel Aziz Musa,Viviana Aguirre,Manuel Baeza‐Bacab,Samira Mohammad,Eliana Cortéz,Cristina H Gratziou,Kamlesh Chopra,Hugo Nelson,Alfonso Delgado Rubio,Kue‐Hsiung Hsieh,Jayant Shah

Journal

Clinical & Experimental Allergy

Published Date

2023/3

Background Eczema (atopic dermatitis) is a major global public health issue with high prevalence and morbidity. Our goal was to evaluate eczema prevalence over time, using standardized methodology. Methods The Global Asthma Network (GAN) Phase I study is an international collaborative study arising from the International Study of Asthma and Allergies in Children (ISAAC). Using surveys, we assessed eczema prevalence, severity, and lifetime prevalence, in global centres participating in GAN Phase I (2015–2020) and one/ both of ISAAC Phase I (1993–1995) and Phase III (2001–2003). We fitted linear mixed models to estimate 10‐yearly prevalence trends, by age group, income, and region. Results We analysed GAN Phase I data from 27 centres in 14 countries involving 74,361 adolescents aged 13–14 and 47,907 children aged 6–7 (response rate 90%, 79%). A median of 6% of children and …

Implementation of the HOME core outcome set for clinical trials of atopic eczema—barriers and opportunities: the HOME IX meeting report

Authors

ME Jacobson,KS Thomas,CJ Apfelbacher,YA Leshem,HC Williams,LAA Gerbens,PI Spuls,J Schmitt,L Howells,N Katoh,EL Simpson,Harmonising Outcome Measures for Eczema (HOME) Initiative

Journal

Archives of Dermatological Research

Published Date

2023/11

The Harmonising Outcome Measures for Eczema (HOME) initiative established a core outcome set (COS) for atopic eczema (AE) clinical trials in 2019. This set encompasses four core outcome domains and corresponding measurement instruments: clinical signs (EASI), patient-reported symptoms (POEM and NRS 11 point for worst itch over the last 24 h), quality of life (DLQI/CDLQI/IDQoLI), and long-term control (Recap or ADCT). Following its roadmap, the HOME initiative is now focused on supporting implementation of the COS. To identify barriers and facilitators to implementation of the COS, and to guide the effort to promote COS uptake, a virtual consensus meeting was held over 2 days (September 25–26, 2021) attended by 55 participants (26 healthcare professionals, 16 methodologists, 5 patients, 4 industry representatives, and 4 students). Implementation themes were identified by a pre-meeting survey …

Response to ‘The role of curettage as an intervention for basal cell carcinoma’. Re.‘Interventions for basal cell carcinoma: abridged Cochrane systematic review and GRADE …

Authors

J Thomson,S Hogan,J Leonardi‐Bee,HC Williams,FJ Bath‐Hextall

Published Date

2022/4/1

Linked Article: Thomson et al. Br J Dermatol 2021; 185:499–511.

Observation of Production in Collisions at with the ATLAS Detector

Authors

Georges Aad,Brad Abbott,Dale C Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,Syed Haider Abidi,Asmaa Aboulhorma,Halina Abramowicz,Henso Abreu,Y Abulaiti,AC Abusleme Hoffman,BS Acharya,B Achkar,L Adam,C Adam Bourdarios,L Adamczyk,L Adamek,SV Addepalli,J Adelman,Aytül Adiguzel,S Adorni,T Adye,AA Affolder,Y Afik,C Agapopoulou,MN Agaras,J Agarwala,A Aggarwal,C Agheorghiesei,JA Aguilar-Saavedra,A Ahmad,F Ahmadov,WS Ahmed,X Ai,G Aielli,I Aizenberg,M Akbiyik,TPA Åkesson,AV Akimov,K Al Khoury,GL Alberghi,J Albert,P Albicocco,MJ Alconada Verzini,S Alderweireldt,M Aleksa,IN Aleksandrov,C Alexa,T Alexopoulos,A Alfonsi,F Alfonsi,M Alhroob,B Ali,S Ali,M Aliev,G Alimonti,C Allaire,BMM Allbrooke,PP Allport,A Aloisio,F Alonso,C Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,A Ambler,L Ambroz,C Amelung,D Amidei,SP Amor Dos Santos,S Amoroso,KR Amos,CS Amrouche,V Ananiev,C Anastopoulos,N Andari,T Andeen,JK Anders,SY Andrean,A Andreazza,S Angelidakis,A Angerami,AV Anisenkov,A Annovi,C Antel,MT Anthony,E Antipov,M Antonelli,DJA Antrim,F Anulli,M Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,C Arcangeletti,ATH Arce,E Arena,JF Arguin,S Argyropoulos,J-H Arling,AJ Armbruster,O Arnaez,H Arnold,ZP Arrubarrena Tame,G Artoni,H Asada,K Asai,S Asai,NA Asbah,EM Asimakopoulou,J Assahsah,K Assamagan,R Astalos,RJ Atkin,M Atkinson,NB Atlay,H Atmani,PA Atmasiddha,K Augsten,S Auricchio,VA Austrup,G Avner,G Avolio,MK Ayoub,G Azuelos,D Babal,H Bachacou,K Bachas,A Bachiu,F Backman,A Badea,P Bagnaia,M Bahmani,AJ Bailey,VR Bailey,JT Baines,C Bakalis,OK Baker,PJ Bakker,E Bakos,D Bakshi Gupta,S Balaji,R Balasubramanian,EM Baldin,P Balek,E Ballabene

Journal

Physical review letters

Published Date

2022/8/4

This Letter reports the observation of W W W production and a measurement of its cross section using 139 fb− 1 of proton-proton collision data recorded at a center-of-mass energy of 13 TeV by the ATLAS detector at the Large Hadron Collider. Events with two same-sign leptons (electrons or muons) and at least two jets, as well as events with three charged leptons, are selected. A multivariate technique is then used to discriminate between signal and background events. Events from W W W production are observed with a significance of 8.0 standard deviations, where the expectation is 5.4 standard deviations. The inclusive W W W production cross section is measured to be 820±100 (stat)±80 (syst) fb, approximately 2.6 standard deviations from the predicted cross section of 511±18 fb calculated at next-to-leading-order QCD and leading-order electroweak accuracy.

Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at√ s= 13 TeV with the ATLAS detector

Authors

M Aaboud,G Aad,B Abbott,A Aggarwal,S Caron,L Colasurdo,V Fabiani,CA Gottardo,P Moskvitina,CJM Nellist,L Pedraza Diaz

Published Date

2022

A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-ofmass energy of 13 TeV, corresponding to 139 fb− 1 of integrated luminosity recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. The analysis focuses on final states with three or four electrons or muons from the possible decays of new heavy leptons via intermediate electroweak bosons. No significant deviations above the Standard Model expectation are observed; upper and lower limits on the heavy lepton production cross-section and masses are derived respectively. These results are then combined for the first time with the ones already published by ATLAS using the channel with two leptons in the final state. The observed lower limit on the mass of the type-III seesaw heavy leptons combining two, three and four lepton channels together is 910 GeV at the 95% confidence level.

Search for new phenomena in three-or four-lepton events in pp collisions at s= 13 TeV with the ATLAS detector

Authors

Georges Aad,Brad Abbott,Dale C Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,Syed Haider Abidi,OS AbouZeid,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Jinky Agarwala,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,AV Akimov,Konie Al Khoury,Gian Luigi Alberghi,Justin Albert,MJ Alconada Verzini,Sara Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,Philip Patrick Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,Dante Amidei,SP Amor Dos Santos,Simone Amoroso,Cherifa Sabrina Amrouche,Christos Anastopoulos,Nansi Andari,T Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,Victor Andrei,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,Eloisa Arena,Jean-Francois Arguin,Spyros Argyropoulos,J-H Arling,Aaron James Armbruster,Alexander Armstrong,Olivier Arnaez,Hannah Arnold,ZP Arrubarrena Tame,Giacomo Artoni,Haruka Asada,Kanae Asai,Shoji Asai,Nedaa Alexandra Asbah,Eleni Myrto Asimakopoulou,Lily Asquith,Jihad Assahsah,K Assamagan,Robert Astalos,Ryan Justin Atkin,M Atkinson,Naim Bora Atlay,Hicham Atmani,PA Atmasiddha,Kamil Augsten,Silvia Auricchio,Volker Andreas Austrup,Giuseppe Avolio,Mohamad Kassem Ayoub,Georges Azuelos,Dominik Babal,Henri Bachacou,Konstantinos Bachas,F Backman,A Badea,P Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,C Bakalis,OK Baker,PJ Bakker,E Bakos,D Bakshi Gupta,S Balaji,R Balasubramanian,EM Baldin,P Balek,E Ballabene,F Balli,WK Balunas,J Balz

Journal

Physics Letters B

Published Date

2022/1/10

A search with minimal model dependence for physics beyond the Standard Model in events featuring three or four charged leptons (3ℓ and 4ℓ, ℓ= e, μ) is presented. The analysis aims to be sensitive to a wide range of potential new-physics theories simultaneously. This analysis uses data from pp collisions delivered by the Large Hadron Collider at a centre-of-mass energy of s= 13 TeV and recorded with the ATLAS detector, corresponding to the full Run 2 dataset of 139 fb− 1. The 3ℓ and 4ℓ phase space is divided into 22 event categories according to the number of leptons in the event, the missing transverse momentum, the invariant mass of the leptons, and the presence of leptons originating from a Z-boson candidate. These event categories are analysed independently for the presence of deviations from the Standard Model. No statistically significant deviations from the Standard Model predictions are observed …

Measurement of the energy asymmetry in t t ¯ j production at 13 TeV with the ATLAS experiment and interpretation in the SMEFT framework

Authors

Georges Aad,B Abbott,DC Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,SH Abidi,Asmaa Aboulhorma,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,SV Addepalli,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Y Afik,C Agapopoulou,MN Agaras,J Agarwala,A Aggarwal,C Agheorghiesei,JA Aguilar-Saavedra,A Ahmad,F Ahmadov,WS Ahmed,X Ai,G Aielli,I Aizenberg,S Akatsuka,M Akbiyik,TPA Åkesson,AV Akimov,K Al Khoury,GL Alberghi,J Albert,P Albicocco,MJ Verzini,S Alderweireldt,M Aleksa,IN Aleksandrov,C Alexa,T Alexopoulos,A Alfonsi,F Alfonsi,M Alhroob,B Ali,S Ali,M Aliev,G Alimonti,C Allaire,BMM Allbrooke,PP Allport,A Aloisio,F Alonso,C Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,A Ambler,L Ambroz,C Amelung,D Amidei,SP Santos,S Amoroso,KR Amos,CS Amrouche,Viktor Ananiev,C Anastopoulos,N Andari,T Andeen,JK Anders,SY Andrean,A Andreazza,S Angelidakis,A Angerami,AV Anisenkov,A Annovi,C Antel,MT Anthony,E Antipov,M Antonelli,DJA Antrim,F Anulli,M Aoki,J Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,C Arcangeletti,ATH Arce,E Arena,JF Arguin,S Argyropoulos,J-H Arling,AJ Armbruster,A Armstrong,O Arnaez,H Arnold,ZP Tame,G Artoni,H Asada,K Asai,S Asai,NA Asbah,EM Asimakopoulou,L Asquith,J Assahsah,K Assamagan,R Astalos,RJ Atkin,M Atkinson,NB Atlay,H Atmani,PA Atmasiddha,K Augsten,S Auricchio,VA Austrup,G Avner,G Avolio,MK Ayoub,G Azuelos,D Babal,H Bachacou,K Bachas,A Bachiu,F Backman,A Badea,P Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,C Bakalis,OK Baker,PJ Bakker,E Bakos,D Bakshi Gupta,S Balaji,R Balasubramanian

Journal

The European Physical Journal C

Published Date

2022/4

A measurement of the energy asymmetry in jet-associated top-quark pair production is presented using of data collected by the ATLAS detector at the Large Hadron Collider during pp collisions at. The observable measures the different probability of top and antitop quarks to have the higher energy as a function of the jet scattering angle with respect to the beam axis. The energy asymmetry is measured in the semileptonic decay channel, and the hadronically decaying top quark must have transverse momentum above. The results are corrected for detector effects to particle level in three bins of the scattering angle of the associated jet. The measurement agrees with the SM prediction at next-to-leading-order accuracy in quantum chromodynamics in all three bins. In the bin with the largest expected asymmetry, where the jet is emitted perpendicular to the beam, the energy asymmetry is measured to …

Modelling and computational improvements to the simulation of single vector-boson plus jet processes for the ATLAS experiment

Authors

Georges Aad,Brad Abbott,Dale C Abbott,Adam Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,Syed Haider Abidi,Asmaa Aboulhorma,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,SV Addepalli,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Jinky Agarwala,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Iakov Aizenberg,Melike Akbiyik,TPA Åkesson,AV Akimov,Konie Al Khoury,Gian Luigi Alberghi,Justin Albert,Pietro Albicocco,MJ Alconada Verzini,Sara Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,Philip Patrick Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,Dante Amidei,SP Amor Dos Santos,Simone Amoroso,Kieran Robert Amos,Cherifa Sabrina Amrouche,Viktor Ananiev,Christos Anastopoulos,Nansi Andari,T Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,E Arena,JF Arguin,S Argyropoulos,J-H Arling,AJ Armbruster,A Armstrong,O Arnaez,H Arnold,ZP Arrubarrena Tame,G Artoni,H Asada,K Asai,S Asai,NA Asbah,EM Asimakopoulou,L Asquith,J Assahsah,K Assamagan,R Astalos,RJ Atkin,M Atkinson,NB Atlay,H Atmani,PA Atmasiddha,K Augsten,S Auricchio,VA Austrup,G Avner,G Avolio,MK Ayoub,G Azuelos,D Babal,H Bachacou,K Bachas,A Bachiu,F Backman,A Badea,P Bagnaia,M Bahmani,AJ Bailey,VR Bailey,JT Baines,C Bakalis,OK Baker,PJ Bakker,E Bakos,D Bakshi Gupta,S Balaji,R Balasubramanian,EM Baldin

Journal

Journal of High Energy Physics

Published Date

2022/8

This paper presents updated Monte Carlo configurations used to model the production of single electroweak vector bosons (W, Z/γ∗) in association with jets in proton-proton collisions for the ATLAS experiment at the Large Hadron Collider. Improvements pertaining to the electroweak input scheme, parton-shower splitting kernels and scale-setting scheme are shown for multi-jet merged configurations accurate to next-to-leading order in the strong and electroweak couplings. The computational resources required for these set-ups are assessed, and approximations are introduced resulting in a factor three reduction of the per-event CPU time without affecting the physics modelling performance. Continuous statistical enhancement techniques are introduced by ATLAS in order to populate low cross-section regions of phase space and are shown to match or exceed the generated effective luminosity. This, together with …

Performance of the ATLAS Level-1 topological trigger in Run 2

Authors

Georges Aad,Brad Abbott,Dale Charles Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,Syed Haider Abidi,OS AbouZeid,NL Abraham,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,Jahred Adelman,Aytul Adiguzel,Sofia Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,Ece Akilli,AV Akimov,K Al Khoury,Gian Luigi Alberghi,Justin Albert,MJ Alconada Verzini,S Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,PP Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,D Amidei,SP Amor Dos Santos,Simone Amoroso,Cherifa Sabrina Amrouche,Christos Anastopoulos,Nansi Andari,Timothy Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,V Andrei,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,Nordin Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,J-F Arguin,Spyridon Argyropoulos,J-H Arling,Aaron James Armbruster,Alexander Armstrong,Olivier Arnaez,Hannah Arnold,ZP Arrubarrena Tame,Giacomo Artoni,Sebastian Artz,Haruka Asada,Kanae Asai,Shoji Asai,Nedaa Asbah,Eleni Myrto Asimakopoulou,Lily Asquith,Jihad Assahsah,Ketevi Assamagan,Robert Astalos,Ryan Justin Atkin,Markus Atkinson,Naim Bora Atlay,Hicham Atmani,Prachi Arvind Atmasiddha,Kamil Augsten,Volker Andreas Austrup,Giuseppe Avolio,Mohamad Kassem Ayoub,Georges Azuelos,Dominik Babal,Henri Bachacou,K Bachas,Filip Backman,Paolo Bagnaia,Marzieh Bahmani,H Bahrasemani,AJ Bailey,Virginia Ruth Bailey,JT Baines,Christos Bakalis,OK Baker,Pepijn Johannes Bakker,Evelin Bakos,D Bakshi Gupta,Shyam Balaji,Rahul Balasubramanian,EM Baldin,Petr Balek,Fabrice Balli,William Keaton Balunas,Johannes Balz,Elzbieta Banas

Journal

The European Physical Journal C

Published Date

2022/1

During LHC Run 2 (2015–2018) the ATLAS Level-1 topological trigger allowed efficient data-taking by the ATLAS experiment at luminosities up to 2.110 cms, which exceeds the design value by a factor of two. The system was installed in 2016 and operated in 2017 and 2018. It uses Field Programmable Gate Array processors to select interesting events by placing kinematic and angular requirements on electromagnetic clusters, jets, -leptons, muons and the missing transverse energy. It allowed to significantly improve the background event rejection and signal event acceptance, in particular for Higgs and B-physics processes.

Search for heavy particles in the -tagged dijet mass distribution with additional -tagged jets in proton-proton collisions at with the ATLAS experiment

Authors

Georges Aad,B Abbott,DC Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,SH Abidi,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Jinky Agarwala,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,AV Akimov,Konie Al Khoury,Gian Luigi Alberghi,Justin Albert,MJ Alconada Verzini,Sara Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,Philip Patrick Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,Dante Amidei,SP Amor Dos Santos,Simone Amoroso,Cherifa Sabrina Amrouche,Christos Anastopoulos,Nansi Andari,T Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,Victor Andrei,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,Eloisa Arena,Jean-Francois Arguin,Spyros Argyropoulos,J-H Arling,Aaron James Armbruster,Alexander Armstrong,Olivier Arnaez,Hannah Arnold,ZP Arrubarrena Tame,Giacomo Artoni,Haruka Asada,Kanae Asai,Shoji Asai,Nedaa Alexandra Asbah,Eleni Myrto Asimakopoulou,Lily Asquith,Jihad Assahsah,K Assamagan,Robert Astalos,Ryan Justin Atkin,M Atkinson,Naim Bora Atlay,Hicham Atmani,PA Atmasiddha,Kamil Augsten,Silvia Auricchio,Volker Andreas Austrup,Gal Avner,Giuseppe Avolio,Mohamad Kassem Ayoub,Georges Azuelos,Dominik Babal,Henri Bachacou,K Bachas,F Backman,Anthony Badea,Paolo Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,Christos Bakalis,OK Baker,Pepijn Johannes Bakker,Evelin Bakos,D Bakshi Gupta,Shyam Balaji,Rahul Balasubramanian,EM Baldin,Petr Balek,Eric Ballabene,Fabrice Balli,William Keaton Balunas,Johannes Balz

Journal

Physical Review D

Published Date

2022/1/7

A search optimized for new heavy particles decaying to two b-quarks and produced in association with additional b-quarks is reported. The sensitivity is improved by b-tagging at least one lower-p T jet in addition to the two highest-p T jets. The data used in this search correspond to an integrated luminosity of 103 fb− 1 collected with a dedicated trijet trigger during the 2017 and 2018 s= 13 TeV proton-proton collision runs with the ATLAS detector at the LHC. The search looks for resonant peaks in the b-tagged dijet invariant mass spectrum over a smoothly falling background. The background is estimated with an innovative data-driven method based on orthonormal functions. The observed b-tagged dijet invariant mass spectrum is compatible with the background-only hypothesis. Upper limits at 95% confidence level on a heavy vector-boson production cross section times branching ratio to a pair of b-quarks are …

129 Fully automated assessment of Atopic Dermatitis severity from real-world digital images

Authors

G Hurault,R Attar,K Pan,H Williams,RJ Tanaka

Journal

Journal of Investigative Dermatology

Published Date

2022/12/1

Assessing the severity of Atopic Dermatitis (AD) traditionally relies on face-to-face assessments by healthcare professionals. Such approaches are resource-intensive for participants and staff, challenging during pandemics, and prone to inter-and intra-observer variation. We aim to investigate to what extent computer vision algorithms can help standardise and automate the detection and assessment of AD severity using real-world digital images, without human intervention. We developed EczemaNet, a deep learning computer vision pipeline to detect and assess AD severity from digital camera images. We first trained a model that can detect AD lesions in images using the data provided by four dermatologists who delineated (“segmented”) AD regions in 1345 images from 287 children. We then trained a second model that can assess seven AD disease signs from the AD regions identified. EczemaNet …

A search for an unexpected asymmetry in the production of e+ μ− and e− μ+ pairs in proton–proton collisions recorded by the ATLAS detector at s= 13 TeV

Authors

Georges Aad,B Abbott,DC Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,SH Abidi,Asmaa Aboulhorma,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,SV Addepalli,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Jinky Agarwala,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Iakov Aizenberg,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,AV Akimov,Konie Al Khoury,Gian Luigi Alberghi,Justin Albert,Pietro Albicocco,MJ Alconada Verzini,Sara Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,Philip Patrick Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,Dante Amidei,SP Amor Dos Santos,Simone Amoroso,Kieran Robert Amos,Cherifa Sabrina Amrouche,Viktor Ananiev,Christos Anastopoulos,Nansi Andari,T Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,Eloisa Arena,Jean-Francois Arguin,Spyros Argyropoulos,J-H Arling,Aaron James Armbruster,Alexander Armstrong,Olivier Arnaez,Hannah Arnold,ZP Arrubarrena Tame,Giacomo Artoni,Haruka Asada,Kanae Asai,Shoji Asai,Nedaa Alexandra Asbah,Eleni Myrto Asimakopoulou,Lily Asquith,Jihad Assahsah,K Assamagan,Robert Astalos,Ryan Justin Atkin,M Atkinson,Naim Bora Atlay,Hicham Atmani,PA Atmasiddha,Kamil Augsten,Silvia Auricchio,Volker Andreas Austrup,Gal Avner,Giuseppe Avolio,Mohamad Kassem Ayoub,Georges Azuelos,Dominik Babal,Henri Bachacou,Konstantinos Bachas,Alexander Bachiu,F Backman,Anthony Badea,Paolo Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,Christos Bakalis,OK Baker,Pepijn Johannes Bakker,Evelin Bakos,D Bakshi Gupta,Shyam Balaji,Rahul Balasubramanian

Journal

Physics Letters B

Published Date

2022/7/10

This search, a type not previously performed at ATLAS, uses a comparison of the production cross sections for e+ μ− and e− μ+ pairs to constrain physics processes beyond the Standard Model. It uses 139 fb− 1 of proton–proton collision data recorded at s= 13 TeV at the LHC. Targeting sources of new physics which prefer final states containing e+ μ− to e− μ+, the search contains two broad signal regions which are used to provide model-independent constraints on the ratio of cross sections at the 2% level. The search also has two special selections targeting supersymmetric models and leptoquark signatures. Observations using one of these selections are able to exclude, at 95% confidence level, singly produced smuons with masses up to 640 GeV in a model in which the only other light sparticle is a neutralino when the R-parity-violating coupling λ 231′ is close to unity. Observations using the other selection …

The ATLAS inner detector trigger performance in pp collisions at 13 TeV during LHC Run 2

Authors

Georges Aad,B Abbott,DC Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,SH Abidi,OS AbouZeid,Nicola Louise Abraham,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,Ece Akilli,AV Akimov,K Al Khoury,Gian Luigi Alberghi,Justin Albert,MJ Alconada Verzini,Sara Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,Philip Patrick Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,Dante Amidei,SP Amor Dos Santos,Simone Amoroso,Cherifa Sabrina Amrouche,Christos Anastopoulos,Nansi Andari,T Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,Victor Andrei,Christopher Ryan Anelli,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,R Araujo Pereira,Chiara Arcangeletti,ATH Arce,Jean-Francois Arguin,Spyros Argyropoulos,J-H Arling,Aaron James Armbruster,Alexander Armstrong,Olivier Arnaez,Hannah Arnold,ZP Arrubarrena Tame,Giacomo Artoni,Haruka Asada,Kanae Asai,Shoji Asai,Thanawat Asawatavonvanich,Nedaa Alexandra Asbah,Eleni Myrto Asimakopoulou,Lily Asquith,Jihad Assahsah,K Assamagan,Robert Astalos,Ryan Justin Atkin,M Atkinson,Naim Bora Atlay,Hicham Atmani,PA Atmasiddha,Kamil Augsten,Volker Andreas Austrup,Giuseppe Avolio,Mohamad Kassem Ayoub,Georges Azuelos,Dominik Babal,Henri Bachacou,K Bachas,F Backman,Paolo Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,Christos Bakalis,OK Baker,Pepijn Johannes Bakker,Evelin Bakos,D Bakshi Gupta,Shyam Balaji,Rahul Balasubramanian,EM Baldin,Petr Balek,Fabrice Balli,William Keaton Balunas,Johannes Balz,Elzbieta Banas

Journal

The European Physical Journal C

Published Date

2022/3

The design and performance of the inner detector trigger for the high level trigger of the ATLAS experiment at the Large Hadron Collider during the 2016–2018 data taking period is discussed. In 2016, 2017, and 2018 the ATLAS detector recorded , , and respectively of proton–proton collision data at a centre-of-mass energy of 13 TeV. In order to deal with the very high interaction multiplicities per bunch crossing expected with the 13 TeV collisions the inner detector trigger was redesigned during the long shutdown of the Large Hadron Collider from 2013 until 2015. An overview of these developments is provided and the performance of the tracking in the trigger for the muon, electron, tau and b-jet signatures is discussed. The high performance of the inner detector trigger with these extreme interaction multiplicities demonstrates how the inner detector tracking continues to lie at the heart of …

Erratum to: Search for single top-quark production via flavour-changing neutral currents at 8 TeV with the ATLAS detector

Authors

G Aad,B Abbott,J Abdallah,R Aben,M Abolins,OS AbouZeid,H Abramowicz,H Abreu,R Abreu,Y Abulaiti,BS Acharya,L Adamczyk,DL Adams,J Adelman,S Adomeit,T Adye,AA Affolder,T Agatonovic-Jovin,JA Aguilar-Saavedra,SP Ahlen,F Ahmadov,G Aielli,H Akerstedt,TPA Åkesson,AV Akimov,GL Alberghi,J Albert,S Albrand,MJ Alconada Verzini,M Aleksa,IN Aleksandrov,C Alexa,G Alexander,T Alexopoulos,M Alhroob,G Alimonti,L Alio,J Alison,SP Alkire,BMM Allbrooke,PP Allport,A Aloisio,A Alonso,F Alonso,C Alpigiani,A Altheimer,B Alvarez Gonzalez,D Álvarez Piqueras,MG Alviggi,BT Amadio,K Amako,Y Amaral Coutinho,C Amelung,D Amidei,SP Amor Dos Santos,A Amorim,S Amoroso,N Amram,G Amundsen,C Anastopoulos,LS Ancu,N Andari,T Andeen,CF Anders,G Anders,JK Anders,KJ Anderson,A Andreazza,V Andrei,S Angelidakis,I Angelozzi,P Anger,A Angerami,F Anghinolfi,AV Anisenkov,N Anjos,A Annovi,M Antonelli,A Antonov,J Antos,F Anulli,M Aoki,L Aperio Bella,G Arabidze,Y Arai,JP Araque,ATH Arce,FA Arduh,JF Arguin,S Argyropoulos,M Arik,AJ Armbruster,O Arnaez,V Arnal,H Arnold,M Arratia,O Arslan,A Artamonov,G Artoni,S Asai,N Asbah,A Ashkenazi,B Åsman,L Asquith,K Assamagan,R Astalos,M Atkinson,NB Atlay,K Augsten,M Aurousseau,G Avolio,B Axen,MK Ayoub,G Azuelos,MA Baak,AE Baas,MJ Baca,C Bacci,H Bachacou,K Bachas,M Backes,M Backhaus,P Bagiacchi,P Bagnaia,Y Bai,T Bain,JT Baines,OK Baker,EM Baldin,P Balek,T Balestri,F Balli,E Banas,Sw Banerjee,AAE Bannoura,HS Bansil,L Barak,EL Barberio,D Barberis,M Barbero,T Barillari,M Barisonzi,T Barklow,N Barlow,SL Barnes,BM Barnett,RM Barnett,Z Barnovska,A Baroncelli,G Barone

Journal

The European Physical Journal C

Published Date

2022/1

One correction is noted for the paper. The branching fraction was not included in the conversion of the observed cross-section limit, pb to the coupling constants and and the branching fractions and. The inclusion leads to weaker observed exclusion limits on the coupling constants divided by the scale of new physics of and and on the branching fractions and. The predicted exclusion limits on the coupling constants divided by the scale of new physics are and and on the branching fractions and. Updated distributions of the observed upper limits on the coupling constants for combinations of cgt and ugt channels are shown in Figure 10 a and on the branching fractions in Figure 10 b.

Search for associated production of a Z boson with an invisibly decaying Higgs boson or dark matter candidates at s= 13 TeV with the ATLAS detector

Authors

Georges Aad,B Abbott,DC Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,SH Abidi,Asmaa Aboulhorma,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,SV Addepalli,Jahred Adelman,Aytul Adiguzel,S Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Jinky Agarwala,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Iakov Aizenberg,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,AV Akimov,Konie Al Khoury,Gian Luigi Alberghi,Justin Albert,Pietro Albicocco,MJ Alconada Verzini,Sara Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,Philip Patrick Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,Dante Amidei,SP Amor Dos Santos,Simone Amoroso,Kieran Robert Amos,Cherifa Sabrina Amrouche,Viktor Ananiev,Christos Anastopoulos,Nansi Andari,T Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,Christopher Ryan Anelli,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,Eloisa Arena,Jean-Francois Arguin,Spyros Argyropoulos,J-H Arling,Aaron James Armbruster,Alexander Armstrong,Olivier Arnaez,Hannah Arnold,ZP Arrubarrena Tame,Giacomo Artoni,Haruka Asada,Kanae Asai,Shoji Asai,Nedaa Alexandra Asbah,Eleni Myrto Asimakopoulou,Lily Asquith,Jihad Assahsah,K Assamagan,Robert Astalos,Ryan Justin Atkin,M Atkinson,Naim Bora Atlay,Hicham Atmani,PA Atmasiddha,Kamil Augsten,Silvia Auricchio,Volker Andreas Austrup,Gal Avner,Giuseppe Avolio,Mohamad Kassem Ayoub,Georges Azuelos,Dominik Babal,Henri Bachacou,Konstantinos Bachas,Alexander Bachiu,F Backman,Anthony Badea,Paolo Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,Christos Bakalis,OK Baker,Pepijn Johannes Bakker,Evelin Bakos,D Bakshi Gupta,Shyam Balaji

Journal

Physics Letters B

Published Date

2022/6/10

A search for invisible decays of the Higgs boson as well as searches for dark matter candidates, produced together with a leptonically decaying Z boson, are presented. The analysis is performed using proton− proton collisions at a centre-of-mass energy of 13 TeV, delivered by the LHC, corresponding to an integrated luminosity of 139 fb− 1 and recorded by the ATLAS experiment. Assuming Standard Model cross-sections for ZH production, the observed (expected) upper limit on the branching ratio of the Higgs boson to invisible particles is found to be 19%(19%) at the 95% confidence level. Exclusion limits are also set for simplified dark matter models and two-Higgs-doublet models with an additional pseudoscalar mediator.

Emulating the impact of additional proton–proton interactions in the ATLAS simulation by presampling sets of inelastic Monte Carlo events

Authors

Georges Aad,Brad Abbott,Dale Charles Abbott,A Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,Syed Haider Abidi,OS AbouZeid,NL Abraham,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,Jahred Adelman,Aytul Adiguzel,Sofia Adorni,Tim Adye,AA Affolder,Yoav Afik,Christina Agapopoulou,Merve Nazlim Agaras,Anamika Aggarwal,Catalin Agheorghiesei,JA Aguilar-Saavedra,Ammara Ahmad,Faig Ahmadov,Waleed Syed Ahmed,Xiaocong Ai,Giulio Aielli,Shunichi Akatsuka,Melike Akbiyik,TPA Åkesson,Ece Akilli,AV Akimov,K Al Khoury,Gian Luigi Alberghi,Justin Albert,MJ Alconada Verzini,S Alderweireldt,Martin Aleksa,IN Aleksandrov,Calin Alexa,Theodoros Alexopoulos,Alice Alfonsi,Fabrizio Alfonsi,Muhammad Alhroob,Babar Ali,Shahzad Ali,Malik Aliev,Gianluca Alimonti,Corentin Allaire,BMM Allbrooke,PP Allport,Alberto Aloisio,Francisco Alonso,Cristiano Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,Alessandro Ambler,Luca Ambroz,Christoph Amelung,D Amidei,SP Amor Dos Santos,Simone Amoroso,Cherifa Sabrina Amrouche,Christos Anastopoulos,Nansi Andari,Timothy Andeen,John Kenneth Anders,Stefio Yosse Andrean,Attilio Andreazza,V Andrei,Christopher Ryan Anelli,Stylianos Angelidakis,Aaron Angerami,AV Anisenkov,Alberto Annovi,Claire Antel,Matthew Thomas Anthony,Egor Antipov,Mario Antonelli,DJA Antrim,Fabio Anulli,Masato Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,Nordin Aranzabal,V Araujo Ferraz,Chiara Arcangeletti,ATH Arce,Jean-Francois Arguin,S Argyropoulos,J-H Arling,AJ Armbruster,A Armstrong,O Arnaez,H Arnold,ZP Arrubarrena Tame,G Artoni,H Asada,K Asai,S Asai,NA Asbah,EM Asimakopoulou,L Asquith,J Assahsah,K Assamagan,R Astalos,RJ Atkin,M Atkinson,NB Atlay,H Atmani,PA Atmasiddha,K Augsten,VA Austrup,G Avolio,MK Ayoub,G Azuelos,D Babal,H Bachacou,K Bachas,F Backman,P Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,C Bakalis,OK Baker,PJ Bakker,E Bakos,D Bakshi Gupta,S Balaji,R Balasubramanian,EM Baldin,P Balek,F Balli,WK Balunas,J Balz,E Banas,M Bandieramonte

Journal

Computing and Software for Big Science

Published Date

2022/12

The accurate simulation of additional interactions at the ATLAS experiment for the analysis of proton–proton collisions delivered by the Large Hadron Collider presents a significant challenge to the computing resources. During the LHC Run 2 (2015–2018), there were up to 70 inelastic interactions per bunch crossing, which need to be accounted for in Monte Carlo (MC) production. In this document, a new method to account for these additional interactions in the simulation chain is described. Instead of sampling the inelastic interactions and adding their energy deposits to a hard-scatter interaction one-by-one, the inelastic interactions are presampled, independent of the hard scatter, and stored as combined events. Consequently, for each hard-scatter interaction, only one such presampled event needs to be added as part of the simulation chain. For the Run 2 simulation chain, with an average of 35 interactions per …

Springer : Two-particle Bose–Einstein correlations in collisions at TeV measured with the ATLAS detector at the LHC

Authors

Georges Aad,Alexander Kupco,Pierre Antoine Delsart,Timo Dreyer,Yufeng Wang,Karl Jakobs,Martin Spousta,Savanna Shaw,Marina Cobal,Peilong Wang,AEC Coimbra,Jaroslava Schovancova,Ahmed Bassalat,Matej Melo,Marjorie Shapiro,Grigore Tarna,Ketevi Adikle Assamagan,Till Eifert,Laura Rehnisch,Sinan Kuday,Maximiliano Sioli,Maximilian Emanuel Goblirsch-Kolb,Nello Bruscino,Filippo Maria Giorgi,Joey Huston,Sarah Marie Demers Konezny,Fernando Monticelli,Andrei Snesarev,Laura La Rotonda,James Oscar Thomas,Wasikul Islam,Ying Wun Yvonne Ng,JE Brau,Osamu Jinnouchi,William Keaton Balunas,Valentina Cairo,Javier Alberto Aparisi Pozo,David Miller,Anna Ivina,Paolo Mastrandrea,Jan-Ulf Mjoernmark,Barbara Krystyna Wosiek,Keisuke Yoshihara,Auke-Pieter Colijn,Liaoshan Shi,Sergio Diez Cornell,Michael Edward Nelson,Karel Cerny,Hans Krueger,Bruce Donald Yabsley,Christian Weber,Alex Christopher Martyniuk,Daniela Bortoletto,Nikolai Sinev,Stefan Tapprogge,Fabrizio Parodi,Tatsuya Masubuchi,Dmitry Tsybyshev,Shenjian Chen,Juan Terron Cuadrado,Souad Batlamous,Urmila Soldevila Serrano,Nicolo Magini,Eleni Mountricha,Thi Ngoc Loan Truong,Tuan Nguyen Manh,Mohamed Ouchrif,Tatiana Lyubushkina,Christian Grefe,Nikolaos Tsirintanis,Guillaume Unal,Felix Fidelio Klitzner,Nurfikri Norjoharuddeen,Tomoe Kishimoto,Kiyotomo Kawagoe,Adam Edward Barton,Joni Pham,Zhijun Liang,Efe Yigitbasi,Felix Buhrer,AP Pereira Peixoto,Stefano Zambito,H Bahrasemani,Sergey Karpov,Pavol Strizenec,Nathan Rogers Bernard,Christopher Lester,Biagio Di Micco,Andy Salnikov,Jonas Strandberg,Claudia Bertella,Philippe Schwemling,Marcel Vos,Evelin Meoni,Julian Wollrath,Zhi Zheng,Zdenek Hubacek,Nanni Darbo,Caterina Doglioni,Andrew Ferrante,George Iakovidis,Abhishek Nag,Alexey Boldyrev,Stefan Raimund Maschek,Jan Stark,Elena Yatsenko,Paul Gessinger-Befurt,Masahiro Kuze,Benjamin Henry Hooberman,Arnaud Ferrari,Davide Costanzo,Michael James Fenton,Alexei Klimentov,Yasuhiro Makida,James William Howarth,Ilias Panagoulias,Todd Brian Huffman,Geoffrey Norman Taylor,Thorsten Kuhl,Giuliano Gustavino,Mateusz Dyndal,Fenfen An,Mario Antonelli,Bogdan Malaescu,Pedro Teixeira-Dias,Haider Abidi,Deshan Kavishka Abhayasinghe,Kathryn Grimm,Michael Glenn Eggleston,Christian Riegel,Christopher Robyn Hayes,Serguei Kuleshov,Mike Strauss,Alain Bellerive,Jiri Masik,Alena Loesle,Lukas Adamek,Liron Barak,Giuseppe Iacobucci,Evgeny Shulga,Benedetto Gorini,Xueyao Zhang,Mutsuto Hagihara,Alexandre Zaytsev,Harald Fox,Sergio Grancagnolo,Thomas Peiffer,Nico Madysa,Kevin Black,Laura Franconi

Journal

Eur. Phys. J. C

Published Date

2022/2/4

This paper presents studies of Bose–Einstein correlations (BEC) in proton–proton collisions at a centre-ofmass energy of 13 TeV, using data from the ATLAS detector at the CERN Large Hadron Collider. Data were collected in a special low-luminosity configuration with a minimumbias trigger and a high-multiplicity track trigger, accumulating integrated luminosities of 151 µb− 1 and 8. 4 nb− 1, respectively. The BEC are measured for pairs of like-sign charged particles, each with| η|< 2. 5, for two kinematic ranges: the first with particle pT> 100 MeV and the second with particle pT> 500 MeV. The BEC parameters, characterizing the source radius and particle correlation strength, are investigated as functions of charged-particle multiplicity (up to 300) and average transverse momentum of the pair (up to 1. 5 GeV). The double-differential dependence on charged-particle multiplicity and average transverse momentum of the pair is also studied. The BEC radius is found to be independent of the charged-particle multiplicity for high charged-particle multiplicity (above 100), confirming a previous observation at lower energy. This saturation occurs independent of the transverse momentum of the pair.

Search for exotic decays of the Higgs boson into b and missing transverse momentum in pp collisions at = 13 TeV with the ATLAS detector

Authors

Georges Aad,B Abbott,DC Abbott,Abud Abed Abud,Kira Abeling,Deshan Kavishka Abhayasinghe,SH Abidi,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,AC Abusleme Hoffman,Bobby Samir Acharya,Baida Achkar,Lennart Adam,C Adam Bourdarios,Leszek Adamczyk,Lukas Adamek,SV Addepalli,Jahred Adelman,Aytül Adiguzel,S Adorni,Tim Adye,AA Affolder,Y Afik,C Agapopoulou,MN Agaras,J Agarwala,A Aggarwal,C Agheorghiesei,JA Aguilar-Saavedra,A Ahmad,F Ahmadov,WS Ahmed,X Ai,G Aielli,I Aizenberg,S Akatsuka,M Akbiyik,TPA Åkesson,AV Akimov,Khoury Al Khoury,GL Alberghi,J Albert,MJ Alconada Verzini,S Alderweireldt,M Aleksa,IN Aleksandrov,C Alexa,T Alexopoulos,A Alfonsi,F Alfonsi,M Alhroob,B Ali,S Ali,M Aliev,G Alimonti,C Allaire,BMM Allbrooke,PP Allport,A Aloisio,F Alonso,C Alpigiani,E Alunno Camelia,M Alvarez Estevez,MG Alviggi,Y Amaral Coutinho,A Ambler,L Ambroz,C Amelung,D Amidei,SP Amor Dos Santos,S Amoroso,CS Amrouche,C Anastopoulos,N Andari,T Andeen,JK Anders,SY Andrean,A Andreazza,V Andrei,S Angelidakis,A Angerami,AV Anisenkov,A Annovi,C Antel,MT Anthony,E Antipov,M Antonelli,DJA Antrim,F Anulli,M Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,N Aranzabal,V Araujo Ferraz,C Arcangeletti,ATH Arce,E Arena,JF Arguin,S Argyropoulos,J-H Arling,AJ Armbruster,A Armstrong,O Arnaez,H Arnold,ZP Arrubarrena Tame,G Artoni,H Asada,K Asai,S Asai,NA Asbah,EM Asimakopoulou,L Asquith,J Assahsah,K Assamagan,R Astalos,RJ Atkin,M Atkinson,NB Atlay,H Atmani,PA Atmasiddha,K Augsten,S Auricchio,VA Austrup,G Avner,G Avolio,MK Ayoub,G Azuelos,D Babal,H Bachacou,K Bachas,F Backman,A Badea,P Bagnaia,H Bahrasemani,AJ Bailey,VR Bailey,JT Baines,C Bakalis,OK Baker,PJ Bakker,E Bakos,D Bakshi Gupta,S Balaji,R Balasubramanian,EM Baldin,P Balek,E Ballabene,F Balli

Journal

Journal of High Energy Physics

Published Date

2022/1

A search for the exotic decay of the Higgs boson (H) into a b resonance plus missing transverse momentum is described. The search is performed with the ATLAS detector at the Large Hadron Collider using 139 fb− 1 of pp collisions at= 13 TeV. The search targets events from ZH production in an NMSSM scenario where H→, with→, where a is a light pseudoscalar Higgs boson and are the two lightest neutralinos. The decay of the a boson into a pair of b-quarks results in a peak in the dijet invariant mass distribution. The final-state signature consists of two leptons, two or more jets, at least one of which is identified as originating from a b-quark, and missing transverse momentum. Observations are consistent with Standard Model expectations and upper limits are set on the product of cross section times branching ratio for a three-dimensional scan of the masses of the, and a boson.

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