Kevin Black

Kevin Black

University of Wisconsin-Madison

H-index: 190

North America-United States

Professor Information

University

University of Wisconsin-Madison

Position

Professor of Physics

Citations(all)

251706

Citations(since 2020)

120764

Cited By

179311

hIndex(all)

190

hIndex(since 2020)

137

i10Index(all)

866

i10Index(since 2020)

719

Email

University Profile Page

University of Wisconsin-Madison

Research & Interests List

Experimental High Energy Physics

Top articles of Kevin Black

Study of charm hadronization with prompt baryons in proton-proton and lead-lead collisions at = 5.02 TeV

The production of prompt baryons is measured via the exclusive decay channel at a center-of-mass energy per nucleon pair of 5.02 TeV, using proton-proton (pp) and lead-lead (PbPb) collision data collected by the CMS experiment at the CERN LHC. The pp and PbPb data were obtained in 2017 and 2018 with integrated luminosities of 252 and 0.607 nb− 1, respectively. The measurements are performed within the rapidity interval| y|< 1 with transverse momentum (p T) ranges of 3–30 and 6–40 GeV/c for pp and PbPb collisions, respectively. Compared to the yields in pp collisions scaled by the expected number of nucleon-nucleon interactions, the observed yields of with p T> 10 GeV/c are strongly suppressed in PbPb collisions. The level of suppression depends significantly on the collision centrality. The/D 0 production ratio is similar in PbPb and pp collisions at p T> 10 GeV/c, suggesting that …

Authors

A Tumasyan,W Adam,JW Andrejkovic,T Bergauer,S Chatterjee,K Damanakis,M Dragicevic,A Escalante Del Valle,PS Hussain,M Jeitler,N Krammer,L Lechner,D Liko,I Mikulec,P Paulitsch,J Schieck,R Schöfbeck,D Schwarz,M Sonawane,S Templ,W Waltenberger,C-E Wulz,MR Darwish,T Janssen,T Kello,P Van Mechelen,ES Bols,J D’Hondt,A De Moor,M Delcourt,H El Faham,S Lowette,A Morton,D Müller,AR Sahasransu,S Tavernier,W Van Doninck,S Van Putte,D Vannerom,B Clerbaux,S Dansana,G De Lentdecker,L Favart,D Hohov,J Jaramillo,K Lee,M Mahdavikhorrami,I Makarenko,A Malara,S Paredes,L Pétré,N Postiau,L Thomas,M Vanden Bemden,C Vander Velde,P Vanlaer,D Dobur,J Knolle,L Lambrecht,G Mestdach,C Rendón,A Samalan,K Skovpen,M Tytgat,N Van Den Bossche,B Vermassen,L Wezenbeek,A Benecke,G Bruno,F Bury,C Caputo,P David,C Delaere,IS Donertas,A Giammanco,K Jaffel,Sa Jain,V Lemaitre,K Mondal,A Taliercio,TT Tran,P Vischia,S Wertz,GA Alves,E Coelho,C Hensel,A Moraes,P Rebello Teles,WL Aldá Júnior,M Alves Gallo Pereira,Barroso Ferreira Filho,H Brandao Malbouisson,W Carvalho,J Chinellato,EM Da Costa,GG Da Silveira,D De Jesus Damiao,V Dos Santos Sousa,S Fonseca De Souza,J Martins,C Mora Herrera,K Mota Amarilo,L Mundim,H Nogima,A Santoro,SM Silva Do Amaral,A Sznajder,M Thiel,A Vilela Pereira,CA Bernardes,L Calligaris,TR Fernandez Perez Tomei,EM Gregores,PG Mercadante,SF Novaes,Sandra S Padula,A Aleksandrov,G Antchev,R Hadjiiska,P Iaydjiev,M Misheva,M Rodozov,M Shopova,G Sultanov,A Dimitrov,T Ivanov,L Litov,B Pavlov,P Petkov,A Petrov,E Shumka,S Keshri,S Thakur,T Cheng,Q Guo,T Javaid,M Mittal,L Yuan,G Bauer,Z Hu,S Lezki,K Yi,GM Chen,HS Chen,M Chen,F Iemmi,CH Jiang,A Kapoor,H Liao,Z-A Liu

Journal

Journal of High Energy Physics

Published Date

2024/1

Evidence for the Higgs Boson Decay to a Z Boson and a Photon at the LHC

The first evidence for the Higgs boson decay to a Z boson and a photon is presented, with a statistical significance of 3.4 standard deviations. The result is derived from a combined analysis of the searches performed by the ATLAS and CMS Collaborations with proton-proton collision datasets collected at the CERN Large Hadron Collider (LHC) from 2015 to 2018. These correspond to integrated luminosities of around 140 fb− 1 for each experiment, at a center-of-mass energy of 13 TeV. The measured signal yield is 2.2±0.7 times the standard model prediction, and agrees with the theoretical expectation within 1.9 standard deviations.

Authors

Georges Aad,B Abbott,Kira Abeling,Nils Julius Abicht,SH Abidi,Asmaa Aboulhorma,Halina Abramowicz,Henso Abreu,Yiming Abulaiti,Bobby Samir Acharya,C Adam Bourdarios,L Adamczyk,L Adamek,SV Addepalli,MJ Addison,J Adelman,Aytül Adiguzel,T Adye,AA Affolder,Y Afik,MN Agaras,J Agarwala,A Aggarwal,C Agheorghiesei,A Ahmad,F Ahmadov,WS Ahmed,S Ahuja,X Ai,G Aielli,A Aikot,M Ait Tamlihat,B Aitbenchikh,I Aizenberg,M Akbiyik,TPA Åkesson,AV Akimov,D Akiyama,NN Akolkar,K Al Khoury,GL Alberghi,J Albert,P Albicocco,GL Albouy,S Alderweireldt,M Aleksa,IN Aleksandrov,C Alexa,T Alexopoulos,F Alfonsi,M Algren,M Alhroob,B Ali,HMJ Ali,S Ali,SW Alibocus,M Aliev,G Alimonti,W Alkakhi,C Allaire,BMM Allbrooke,JF Allen,CA Allendes Flores,PP Allport,A Aloisio,F Alonso,C Alpigiani,M Alvarez Estevez,A Alvarez Fernandez,M Alves Cardoso,MG Alviggi,M Aly,Y Amaral Coutinho,A Ambler,C Amelung,M Amerl,CG Ames,D Amidei,SP Amor Dos Santos,KR Amos,V Ananiev,C Anastopoulos,T Andeen,JK Anders,SY Andrean,A Andreazza,S Angelidakis,A Angerami,AV Anisenkov,A Annovi,C Antel,MT Anthony,E Antipov,M Antonelli,F Anulli,M Aoki,T Aoki,JA Aparisi Pozo,MA Aparo,L Aperio Bella,C Appelt,A Apyan,N Aranzabal,C Arcangeletti,ATH Arce,E Arena,JF Arguin,S Argyropoulos,JH Arling,O Arnaez,H Arnold,G Artoni,H Asada,K Asai,S Asai,NA Asbah,J Assahsah,K Assamagan,R Astalos,S Atashi,RJ Atkin,M Atkinson,H Atmani,PA Atmasiddha,K Augsten,S Auricchio,AD Auriol,VA Austrup,G Avolio,K Axiotis,G Azuelos,D Babal,H Bachacou,K Bachas,A Bachiu,F Backman,A Badea,P Bagnaia,M Bahmani,AJ Bailey,VR Bailey,JT Baines,L Baines,C Bakalis,OK Baker,E Bakos,D Bakshi Gupta,V Balakrishnan,R Balasubramanian,EM Baldin

Journal

Physical review letters

Published Date

2024/1/11

Search for the Z boson decay to in proton-proton collisions at = 13 TeV

The first search for the Z boson decay to at the CERN LHC is presented, based on data collected by the CMS experiment at the LHC in proton-proton collisions at a center-of-mass energy of 13 TeV and corresponding to an integrated luminosity of 138 fb. The data are compatible with the predicted background. For the first time, an upper limit at the 95% confidence level of 6.9 times the standard model expectation is placed on the ratio of the Z to Z 4 branching fractions. Limits are also placed on the six flavor-conserving four-lepton effective-field-theory operators involving two muons and two tau leptons, for the first time testing all such operators.

Authors

Aram Hayrapetyan,Armen Tumasyan,Wolfgang Adam,Janik Walter Andrejkovic,Thomas Bergauer,Suman Chatterjee,Konstantinos Damanakis,Marko Dragicevic,Priya Sajid Hussain,Manfred Jeitler,Natascha Krammer,Ang Li,Dietrich Liko,Ivan Mikulec,Jochen Schieck,Robert Schöfbeck,Dennis Schwarz,Mangesh Sonawane,Sebastian Templ,Wolfgang Waltenberger,Claudia-Elisabeth Wulz,Mohamed Rashad Darwish,Tahys Janssen,Pierre van Mechelen,Nordin Breugelmans,Jorgen d'Hondt,Soumya Dansana,Alexandre de Moor,Martin Delcourt,Felix Heyen,Steven Lowette,Inna Makarenko,Denise Müller,Stefaan Tavernier,Michael Tytgat,Gerrit Patrick van Onsem,Senne van Putte,David Vannerom,Barbara Clerbaux,Aloke Kumar Das,Gilles de Lentdecker,Hugues Evard,Laurent Favart,Paraskevas Gianneios,Dmytro Hohov,Johny Jaramillo,Ali Khalilzadeh,Fakhri Alam Khan,Kyeongpil Lee,Mostafa Mahdavikhorrami,Andrea Malara,Santiago Paredes,Laurent Thomas,Max Vanden Bemden,Pascal Vanlaer,Maarten de Coen,Didar Dobur,Gul Gokbulut,Yanwen Hong,Joscha Knolle,Luka Lambrecht,David Marckx,Gianny Mestdach,Kevin Mota Amarilo,César Rendón,Amrutha Samalan,Kirill Skovpen,Niels van den Bossche,Jan van der Linden,Liam Wezenbeek,Anna Benecke,Agni Bethani,Giacomo Bruno,Claudio Caputo,Jerome de Favereau de Jeneret,Christophe Delaere,Izzeddin Suat Donertas,Andrea Giammanco,Ahmet Oguz Guzel,Sandhya Jain,Vincent Lemaitre,Jindrich Lidrych,Paola Mastrapasqua,Tu Thong Tran,Sébastien Wertz,Gilvan Alves,Eduardo Coelho,Carsten Hensel,Thales Menezes de Oliveira,Arthur Moraes,Patricia Rebello Teles,Mariana Soeiro,Antonio Vilela Pereira,Walter Luiz Aldá Júnior,Miguel Alves Gallo Pereira,Mapse Barroso Ferreira Filho,Helena Brandao Malbouisson,Wagner Carvalho,Jose Chinellato,Eliza Melo da Costa,Gustavo Gil da Silveira,Dilson de Jesus Damiao,Sandro Fonseca de Souza,Raphael Gomes de Souza,Matheus Macedo,Jordan Martins,Clemencia Mora Herrera,Luiz Mundim,Helio Nogima,Joao Pedro Pinheiro,Alberto Santoro,Andre Sznajder,Mauricio Thiel,Cesar Augusto Bernardes,Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores,Isabela Maietto Silverio,Pedro G Mercadante,Sergio F Novaes,Breno Orzari,Sandra Padula,Aleksandar Aleksandrov,Georgy Antchev,Roumyana Hadjiiska,Plamen Iaydjiev,Milena Misheva,Mariana Shopova,Georgi Sultanov,Anton Dimitrov,Leander Litov,Borislav Pavlov,Peicho Petkov,Anton Petrov,Elton Shumka,Sumit Keshri,Shalini Thakur,Tongguang Cheng,Tahir Javaid,Li Yuan,Zhen Hu,Zhengchen Liang,Jinfeng Liu,Kai Yi,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen,Fabio Iemmi,Chun-Hua Jiang,Anshul Kapoor

Published Date

2024/4/30

Searches for pair-produced multijet resonances using data scouting in proton-proton collisions at = 13 TeV

Searches for pair-produced multijet signatures using data corresponding to an integrated luminosity of 128 fb of proton-proton collisions at = 13 TeV are presented. A data scouting technique is employed to record events with low jet scalar transverse momentum sum values. The electroweak production of particles predicted in -parity violating supersymmetric models is probed for the first time with fully hadronic final states. This is the first search for prompt hadronically decaying mass-degenerate higgsinos, and extends current exclusions on -parity violating top squarks and gluinos.

Authors

Aram Hayrapetyan,Armen Tumasyan,Wolfgang Adam,Janik Walter Andrejkovic,Thomas Bergauer,Suman Chatterjee,Konstantinos Damanakis,Marko Dragicevic,Priya Sajid Hussain,Manfred Jeitler,Natascha Krammer,Ang Li,Dietrich Liko,Ivan Mikulec,Jochen Schieck,Robert Schöfbeck,Dennis Schwarz,Mangesh Sonawane,Sebastian Templ,Wolfgang Waltenberger,Claudia-Elisabeth Wulz,Mohamed Rashad Darwish,Tahys Janssen,Pierre van Mechelen,Nordin Breugelmans,Jorgen d'Hondt,Soumya Dansana,Alexandre de Moor,Martin Delcourt,Felix Heyen,Steven Lowette,Inna Makarenko,Denise Müller,Stefaan Tavernier,Michael Tytgat,Gerrit Patrick van Onsem,Senne van Putte,David Vannerom,Barbara Clerbaux,Aloke Kumar Das,Gilles de Lentdecker,Hugues Evard,Laurent Favart,Paraskevas Gianneios,Dmytro Hohov,Johny Jaramillo,Ali Khalilzadeh,Fakhri Alam Khan,Kyeongpil Lee,Mostafa Mahdavikhorrami,Andrea Malara,Santiago Paredes,Laurent Thomas,Max Vanden Bemden,Pascal Vanlaer,Maarten de Coen,Didar Dobur,Gul Gokbulut,Yanwen Hong,Joscha Knolle,Luka Lambrecht,David Marckx,Gianny Mestdach,Kevin Mota Amarilo,César Rendón,Amrutha Samalan,Kirill Skovpen,Niels van den Bossche,Jan van der Linden,Liam Wezenbeek,Anna Benecke,Agni Bethani,Giacomo Bruno,Claudio Caputo,Jerome de Favereau de Jeneret,Christophe Delaere,Izzeddin Suat Donertas,Andrea Giammanco,Ahmet Oguz Guzel,Sandhya Jain,Vincent Lemaitre,Jindrich Lidrych,Paola Mastrapasqua,Tu Thong Tran,Sébastien Wertz,Gilvan Alves,Eduardo Coelho,Carsten Hensel,Thales Menezes de Oliveira,Arthur Moraes,Patricia Rebello Teles,Mariana Soeiro,Antonio Vilela Pereira,Walter Luiz Aldá Júnior,Miguel Alves Gallo Pereira,Mapse Barroso Ferreira Filho,Helena Brandao Malbouisson,Wagner Carvalho,Jose Chinellato,Eliza Melo da Costa,Gustavo Gil da Silveira,Dilson de Jesus Damiao,Sandro Fonseca de Souza,Raphael Gomes de Souza,Matheus Macedo,Jordan Martins,Clemencia Mora Herrera,Luiz Mundim,Helio Nogima,Joao Pedro Pinheiro,Alberto Santoro,Andre Sznajder,Mauricio Thiel,Cesar Augusto Bernardes,Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores,Isabela Maietto Silverio,Pedro G Mercadante,Sergio F Novaes,Breno Orzari,Sandra Padula,Aleksandar Aleksandrov,Georgy Antchev,Roumyana Hadjiiska,Plamen Iaydjiev,Milena Misheva,Mariana Shopova,Georgi Sultanov,Anton Dimitrov,Leander Litov,Borislav Pavlov,Peicho Petkov,Anton Petrov,Elton Shumka,Sumit Keshri,Shalini Thakur,Tongguang Cheng,Tahir Javaid,Li Yuan,Zhen Hu,Zhengchen Liang,Jinfeng Liu,Kai Yi,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen,Fabio Iemmi,Chun-Hua Jiang,Anshul Kapoor

Published Date

2024/4/9

Search for soft unclustered energy patterns in proton-proton collisions at 13 TeV

The first search for soft unclustered energy patterns (SUEPs) is performed using an integrated luminosity of 138 fb of proton-proton collision data at = 13 TeV collected in 2016-2018 by the CMS detector at the LHC. Such SUEPs are predicted by Hidden Valley models with a new, confining force with a large 't Hooft coupling. In events with boosted topologies, selected by high-threshold hadronic triggers, the multiplicity and sphericity of clustered tracks are used to reject the background from standard model quantum chromodynamics. With no observed excess of events over the standard model expectation, limits are set on the cross section for production via gluon fusion of a scalar mediator with SUEP-like decays.

Authors

Aram Hayrapetyan,Armen Tumasyan,Wolfgang Adam,Janik Walter Andrejkovic,Thomas Bergauer,Suman Chatterjee,Konstantinos Damanakis,Marko Dragicevic,Priya Sajid Hussain,Manfred Jeitler,Natascha Krammer,Ang Li,Dietrich Liko,Ivan Mikulec,Jochen Schieck,Robert Schöfbeck,Dennis Schwarz,Mangesh Sonawane,Sebastian Templ,Wolfgang Waltenberger,Claudia-Elisabeth Wulz,Mohamed Rashad Darwish,Tahys Janssen,Pierre van Mechelen,Nordin Breugelmans,Jorgen d'Hondt,Soumya Dansana,Alexandre de Moor,Martin Delcourt,Felix Heyen,Steven Lowette,Inna Makarenko,Denise Müller,Stefaan Tavernier,Michael Tytgat,Gerrit Patrick van Onsem,Senne van Putte,David Vannerom,Barbara Clerbaux,Aloke Kumar Das,Gilles de Lentdecker,Hugues Evard,Laurent Favart,Paraskevas Gianneios,Dmytro Hohov,Johny Jaramillo,Ali Khalilzadeh,Fakhri Alam Khan,Kyeongpil Lee,Mostafa Mahdavikhorrami,Andrea Malara,Santiago Paredes,Muhammad Aamir Shahzad,Laurent Thomas,Max Vanden Bemden,Pascal Vanlaer,Maarten de Coen,Didar Dobur,Gul Gokbulut,Yanwen Hong,Joscha Knolle,Luka Lambrecht,David Marckx,Gianny Mestdach,Kevin Mota Amarilo,Amrutha Samalan,Kirill Skovpen,Niels van den Bossche,Jan van der Linden,Liam Wezenbeek,Anna Benecke,Agni Bethani,Giacomo Bruno,Claudio Caputo,Jerome de Favereau de Jeneret,Christophe Delaere,Izzeddin Suat Donertas,Andrea Giammanco,Ahmet Oguz Guzel,Sandhya Jain,Vincent Lemaitre,Jindrich Lidrych,Paola Mastrapasqua,Tu Thong Tran,Sébastien Wertz,Gilvan Alves,Miguel Alves Gallo Pereira,Eduardo Coelho,Gilson Correia Silva,Carsten Hensel,Thales Menezes de Oliveira,Arthur Moraes,Patricia Rebello Teles,Mariana Soeiro,Antonio Vilela Pereira,Walter Luiz Aldá Júnior,Mapse Barroso Ferreira Filho,Helena Brandao Malbouisson,Wagner Carvalho,Jose Chinellato,Eliza Melo da Costa,Gustavo Gil da Silveira,Dilson de Jesus Damiao,Sandro Fonseca de Souza,Raphael Gomes de Souza,Matheus Macedo,Jordan Martins,Clemencia Mora Herrera,Luiz Mundim,Helio Nogima,Joao Pedro Pinheiro,Alberto Santoro,Andre Sznajder,Mauricio Thiel,Cesar Augusto Bernardes,Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores,Isabela Maietto Silverio,Pedro G Mercadante,Sergio F Novaes,Breno Orzari,Sandra Padula,Aleksandar Aleksandrov,Georgy Antchev,Roumyana Hadjiiska,Plamen Iaydjiev,Milena Misheva,Mariana Shopova,Georgi Sultanov,Anton Dimitrov,Leander Litov,Borislav Pavlov,Peicho Petkov,Anton Petrov,Elton Shumka,Sumit Keshri,Shalini Thakur,Tongguang Cheng,Tahir Javaid,Li Yuan,Zhen Hu,Zhengchen Liang,Jinfeng Liu,Kai Yi,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen,Fabio Iemmi,Chun-Hua Jiang

Published Date

2024/3/21

Enriching the physics program of the CMS experiment via data scouting and data parking

Specialized data-taking and data-processing techniques were introduced by the CMS experiment in Run 1 of the CERN LHC to enhance the sensitivity of searches for new physics and the precision of standard model measurements. These techniques, termed data scouting and data parking, extend the data-taking capabilities of CMS beyond the original design specifications. The novel data-scouting strategy trades complete event information for higher event rates, while keeping the data bandwidth within limits. Data parking involves storing a large amount of raw detector data collected by algorithms with low trigger thresholds to be processed when sufficient computational power is available to handle such data. The research program of the CMS Collaboration is greatly expanded with these techniques. The implementation, performance, and physics results obtained with data scouting and data parking in CMS over the last decade are discussed in this Report, along with new developments aimed at further improving low-mass physics sensitivity over the next years of data taking.

Authors

Aram Hayrapetyan,Armen Tumasyan,Wolfgang Adam,Janik Walter Andrejkovic,Thomas Bergauer,Suman Chatterjee,Konstantinos Damanakis,Marko Dragicevic,Priya Sajid Hussain,Manfred Jeitler,Natascha Krammer,Ang Li,Dietrich Liko,Ivan Mikulec,Jochen Schieck,Robert Schöfbeck,Dennis Schwarz,Mangesh Sonawane,Sebastian Templ,Wolfgang Waltenberger,Claudia-Elisabeth Wulz,Mohamed Rashad Darwish,Tahys Janssen,Pierre van Mechelen,Nordin Breugelmans,Jorgen d'Hondt,Soumya Dansana,Alexandre de Moor,Martin Delcourt,Felix Heyen,Steven Lowette,Inna Makarenko,Denise Müller,Stefaan Tavernier,Michael Tytgat,Gerrit Patrick van Onsem,Senne van Putte,David Vannerom,Barbara Clerbaux,Aloke Kumar Das,Gilles de Lentdecker,Hugues Evard,Laurent Favart,Paraskevas Gianneios,Dmytro Hohov,Johny Jaramillo,Ali Khalilzadeh,Fakhri Alam Khan,Kyeongpil Lee,Mostafa Mahdavikhorrami,Andrea Malara,Santiago Paredes,Muhammad Aamir Shahzad,Laurent Thomas,Max Vanden Bemden,Pascal Vanlaer,Maarten de Coen,Didar Dobur,Gul Gokbulut,Yanwen Hong,Joscha Knolle,Luka Lambrecht,David Marckx,Gianny Mestdach,Kevin Mota Amarilo,Amrutha Samalan,Kirill Skovpen,Niels van den Bossche,Jan van der Linden,Liam Wezenbeek,Anna Benecke,Agni Bethani,Giacomo Bruno,Claudio Caputo,Jerome de Favereau de Jeneret,Christophe Delaere,Izzeddin Suat Donertas,Andrea Giammanco,Ahmet Oguz Guzel,Sandhya Jain,Vincent Lemaitre,Jindrich Lidrych,Paola Mastrapasqua,Tu Thong Tran,Sébastien Wertz,Gilvan Alves,Miguel Alves Gallo Pereira,Eduardo Coelho,Gilson Correia Silva,Carsten Hensel,Thales Menezes de Oliveira,Arthur Moraes,Patricia Rebello Teles,Mariana Soeiro,Antonio Vilela Pereira,Walter Luiz Aldá Júnior,Mapse Barroso Ferreira Filho,Helena Brandao Malbouisson,Wagner Carvalho,Jose Chinellato,Eliza Melo da Costa,Gustavo Gil da Silveira,Dilson de Jesus Damiao,Sandro Fonseca de Souza,Raphael Gomes de Souza,Matheus Macedo,Jordan Martins,Clemencia Mora Herrera,Luiz Mundim,Helio Nogima,Joao Pedro Pinheiro,Alberto Santoro,Andre Sznajder,Mauricio Thiel,Cesar Augusto Bernardes,Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores,Isabela Maietto Silverio,Pedro G Mercadante,Sergio F Novaes,Breno Orzari,Sandra Padula,Aleksandar Aleksandrov,Georgy Antchev,Roumyana Hadjiiska,Plamen Iaydjiev,Milena Misheva,Mariana Shopova,Georgi Sultanov,Anton Dimitrov,Leander Litov,Borislav Pavlov,Peicho Petkov,Anton Petrov,Elton Shumka,Sumit Keshri,Shalini Thakur,Tongguang Cheng,Tahir Javaid,Li Yuan,Zhen Hu,Zhengchen Liang,Jinfeng Liu,Kai Yi,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen,Fabio Iemmi,Chun-Hua Jiang

Published Date

2024/4/2

Review of top quark mass measurements in CMS

The top quark mass is one of the most intriguing parameters of the standard model (SM). Its value indicates a Yukawa coupling close to unity, and the resulting strong ties to the Higgs physics make the top quark mass a crucial ingredient for understanding essential aspects of the electroweak sector of the SM. While it is such an important parameter of the SM, its measurement and interpretation in terms of the Lagrangian parameter are challenging. The CMS Collaboration has performed multiple measurements of the top quark mass, addressing these challenges from different angles: highly precise `direct' measurements, using the top quark decay products, as well as `indirect' measurements aiming at accurate interpretations in terms of the Lagrangian parameter. Recent mass measurements using Lorentz-boosted top quarks are particularly promising, opening a new avenue of measurements based on top quark decay products contained in a single particle jet, with superior prospects for accurate theoretical interpretations. Moreover, dedicated studies of the dominant uncertainties in the modelling of the signal processes have been performed. This review offers the first comprehensive overview of these measurements performed by the CMS Collaboration using the data collected at centre-of-mass energies of 7, 8, and 13 TeV.

Authors

Aram Hayrapetyan,Armen Tumasyan,Wolfgang Adam,Janik Walter Andrejkovic,Thomas Bergauer,Suman Chatterjee,Konstantinos Damanakis,Marko Dragicevic,Andre Hoang,Priya Sajid Hussain,Manfred Jeitler,Natascha Krammer,Ang Li,Dietrich Liko,Ivan Mikulec,Jochen Schieck,Robert Schöfbeck,Dennis Schwarz,Mangesh Sonawane,Sebastian Templ,Wolfgang Waltenberger,Claudia-Elisabeth Wulz,Mohamed Rashad Darwish,Tahys Janssen,Pierre van Mechelen,Emil Sørensen Bols,Jorgen d'Hondt,Soumya Dansana,Alexandre de Moor,Martin Delcourt,Steven Lowette,Inna Makarenko,Denise Müller,Stefaan Tavernier,Michael Tytgat,Gerrit Patrick van Onsem,Senne van Putte,David Vannerom,Barbara Clerbaux,Aloke Kumar Das,Gilles de Lentdecker,Hugues Evard,Laurent Favart,Paraskevas Gianneios,Dmytro Hohov,Johny Jaramillo,Ali Khalilzadeh,Fakhri Alam Khan,Kyeongpil Lee,Mostafa Mahdavikhorrami,Andrea Malara,Santiago Paredes,Laurent Thomas,Max Vanden Bemden,Pascal Vanlaer,Maarten de Coen,Didar Dobur,Yanwen Hong,Joscha Knolle,Luka Lambrecht,Gianny Mestdach,Kevin Mota Amarilo,César Rendón,Amrutha Samalan,Kirill Skovpen,Niels van den Bossche,Jan van der Linden,Liam Wezenbeek,Anna Benecke,Agni Bethani,Giacomo Bruno,Claudio Caputo,Christophe Delaere,Izzeddin Suat Donertas,Andrea Giammanco,Sandhya Jain,Vincent Lemaitre,Jindrich Lidrych,Paola Mastrapasqua,Tu Thong Tran,Sébastien Wertz,Gilvan Alves,Eduardo Coelho,Carsten Hensel,Thales Menezes de Oliveira,Arthur Moraes,Patricia Rebello Teles,Mariana Soeiro,Walter Luiz Aldá Júnior,Miguel Alves Gallo Pereira,Mapse Barroso Ferreira Filho,Helena Brandao Malbouisson,Wagner Carvalho,Jose Chinellato,Eliza Melo da Costa,Gustavo Gil da Silveira,Dilson de Jesus Damiao,Sandro Fonseca de Souza,Raphael Gomes de Souza,Jordan Martins,Clemencia Mora Herrera,Luiz Mundim,Helio Nogima,Joao Pedro Pinheiro,Alberto Santoro,Andre Sznajder,Mauricio Thiel,Antonio Vilela Pereira,Cesar Augusto Bernardes,Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores,Pedro G Mercadante,Sergio F Novaes,Breno Orzari,Sandra Padula,Aleksandar Aleksandrov,Georgy Antchev,Roumyana Hadjiiska,Plamen Iaydjiev,Milena Misheva,Mariana Shopova,Georgi Sultanov,Anton Dimitrov,Leander Litov,Borislav Pavlov,Peicho Petkov,Anton Petrov,Elton Shumka,Sumit Keshri,Shalini Thakur,Tongguang Cheng,Tahir Javaid,Li Yuan,Zhen Hu,Jinfeng Liu,Kai Yi,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen,Fabio Iemmi,Chun-Hua Jiang,Anshul Kapoor,Hongbo Liao,Zhenan Liu,Ramkrishna Sharma,Jia-Ning Song,Junquan Tao,Chu Wang,Jin Wang

Journal

arXiv preprint arXiv:2403.01313

Published Date

2024/3/19

Search for long-lived heavy neutral leptons decaying in the CMS muon detectors in proton-proton collisions at = 13 TeV

A search for heavy neutral leptons (HNLs) decaying in the CMS muon system is presented. A data sample is used corresponding to an integrated luminosity of 138 fb of proton-proton collisions at = 13 TeV, recorded at the CERN LHC in 2016-2018. Decay products of long-lived HNLs could interact with the shielding materials in the CMS muon system and create hadronic and electromagnetic showers detected in the muon chambers. This distinctive signature provides a unique handle to search for HNLs with masses below 4 GeV and proper decay lengths of the order of meters. The signature is sensitive to HNL couplings to all three generations of leptons. Candidate events are required to contain a prompt electron or muon originating from a vertex on the beam axis and a displaced shower in the muon chambers. No significant deviations from the standard model background expectation are observed. In the electron (muon) channel, the most stringent limits to date are set for HNLs in the mass range of 2.1-3.0 (1.9-3.3) GeV, reaching mixing matrix element squared values as low as 8.6 (4.6) 10.

Authors

Aram Hayrapetyan,Armen Tumasyan,Wolfgang Adam,Janik Walter Andrejkovic,Thomas Bergauer,Suman Chatterjee,Konstantinos Damanakis,Marko Dragicevic,Priya Sajid Hussain,Manfred Jeitler,Natascha Krammer,Ang Li,Dietrich Liko,Ivan Mikulec,Jochen Schieck,Robert Schöfbeck,Dennis Schwarz,Mangesh Sonawane,Sebastian Templ,Wolfgang Waltenberger,Claudia-Elisabeth Wulz,Mohamed Rashad Darwish,Tahys Janssen,Pierre van Mechelen,Emil Sørensen Bols,Jorgen d'Hondt,Soumya Dansana,Alexandre de Moor,Martin Delcourt,Hesham El Faham,Steven Lowette,Inna Makarenko,Denise Müller,Abanti Ranadhir Sahasransu,Stefaan Tavernier,Michael Tytgat,Senne van Putte,David Vannerom,Barbara Clerbaux,Gilles de Lentdecker,Laurent Favart,Dmytro Hohov,Johny Jaramillo,Ali Khalilzadeh,Kyeongpil Lee,Mostafa Mahdavikhorrami,Andrea Malara,Santiago Paredes,Laurent Pétré,Nicolas Postiau,Laurent Thomas,Max Vanden Bemden,Pascal Vanlaer,Maarten de Coen,Didar Dobur,Yanwen Hong,Joscha Knolle,Luka Lambrecht,Gianny Mestdach,César Rendón,Amrutha Samalan,Kirill Skovpen,Niels van den Bossche,Liam Wezenbeek,Anna Benecke,Giacomo Bruno,Claudio Caputo,Christophe Delaere,Izzeddin Suat Donertas,Andrea Giammanco,Khawla Jaffel,Sandhya Jain,Vincent Lemaitre,Jindrich Lidrych,Paola Mastrapasqua,Kuntal Mondal,Tu Thong Tran,Sébastien Wertz,Gilvan Alves,Eduardo Coelho,Carsten Hensel,Thales Menezes de Oliveira,Arthur Moraes,Patricia Rebello Teles,Mariana Soeiro,Walter Luiz Aldá Júnior,Miguel Alves Gallo Pereira,Mapse Barroso Ferreira Filho,Helena Brandao Malbouisson,Wagner Carvalho,Jose Chinellato,Eliza Melo da Costa,Gustavo Gil da Silveira,Dilson de Jesus Damiao,Sandro Fonseca de Souza,Jordan Martins,Clemencia Mora Herrera,Kevin Mota Amarilo,Luiz Mundim,Helio Nogima,Alberto Santoro,Andre Sznajder,Mauricio Thiel,Antonio Vilela Pereira,Cesar Augusto Bernardes,Luigi Calligaris,Thiago Tomei,Eduardo de Moraes Gregores,Pedro G Mercadante,Sergio F Novaes,Breno Orzari,Sandra Padula,Aleksandar Aleksandrov,Georgy Antchev,Roumyana Hadjiiska,Plamen Iaydjiev,Milena Misheva,Mariana Shopova,Georgi Sultanov,Anton Dimitrov,Leander Litov,Borislav Pavlov,Peicho Petkov,Anton Petrov,Elton Shumka,Sumit Keshri,Shalini Thakur,Tongguang Cheng,Qianying Guo,Tahir Javaid,Li Yuan,Zhen Hu,Jinfeng Liu,Kai Yi,Guo-Ming Chen,He-Sheng Chen,Mingshui Chen,Fabio Iemmi,Chun-Hua Jiang,Anshul Kapoor,Hongbo Liao,Zhenan Liu,Ramkrishna Sharma,Jia-Ning Song,Junquan Tao,Chu Wang,Jin Wang,Zebing Wang,Huaqiao Zhang,Antonis Agapitos

Published Date

2024/3/5

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The research interests of Kevin Black are: Experimental High Energy Physics

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