Search for Higgs Boson Decays into aZBoson and a Light Hadronically Decaying Resonance Using 13 TeVppCollision Data from the ATLAS Detector

Georges Aad; Brad Abbott; Dale Charles Abbott; Adam Abed Abud; Kira Abeling; Deshan Kavishka Abhayasinghe; Syed Haider Abidi; Ossama Abouzeid; Nicola Abraham; Halina Abramowicz; Henso Abreu; Yiming Abulaiti; Bobby Samir Acharya; Baida Achkar; Lennart Adam; Claire Adam Bourdarios; Leszek Adamczyk; Lukas Adamek; Jahred Adelman; Michael Adersberger; Aytul Adiguzel; Sofia Adorni; Tim Adye; Tony Affolder; Yoav Afik; Christina Agapopoulou; Merve Nazlim Agaras; Anamika Aggarwal; Catalin Agheorghiesei; Juan Antonio Aguilar Saavedra; Ammara Ahmad; Faig Ahmadov; Waleed Syed Ahmed; Xiaocong Ai; Giulio Aielli; Shunichi Akatsuka; Torsten Paul Ake Akesson; Ece Akilli; Andrei Akimov; Konie Al Khoury; Gian Luigi Alberghi; Justin Albert; Maria Josefina Alconada Verzini; Sara Caroline Alderweireldt; Martin Aleksa; Igor Aleksandrov; Calin Alexa; Theodoros Alexopoulos; Alice Alfonsi; Fabrizio Alfonsi; Muhammad Alhroob; Babar Ali; Shahzad Ali; Malik Aliev; Gianluca Alimonti; Corentin Allaire; Benedict Allbrooke; Benjamin William Allen; Phillip Allport; Alberto Aloisio; Francisco Alonso; Cristiano Alpigiani; Elio Alunno Camelia; Manuel Alvarez Estevez; Mariagrazia Alviggi; Yara Amaral Coutinho; Alessandro Ambler; Luca Ambroz; Christoph Amelung; Dante Eric Amidei; Susana Patricia Amor dos Santos; Simone Amoroso; Cherifa Sabrina Amrouche; Fenfen An; Christos Anastopoulos; Nansi Andari; Timothy Andeen; John Kenneth Anders; Stefio Yosse Andrean; Attilio Andreazza; George Victor Andrei; Christopher Ryan Anelli; Stylianos Angelidakis; Aaron Angerami; Alexey Anisenkov; Alberto Annovi; Claire Antel; Matthew Thomas Anthony; Egor Antipov; Mario Antonelli; Daniel Joseph Antrim; Fabio Anulli; Masato Aoki; Javier Alberto Aparisi Pozo; Marco Aparo; Ludovica Aperio Bella; Nordin Aranzabal; Victor Araujo Ferraz; Rodrigo Araujo Pereira; Chiara Arcangeletti; King-Man Cheung

doi:10.1103/PhysRevLett.125.221802

Search for Higgs Boson Decays into aZBoson and a Light Hadronically Decaying Resonance Using 13 TeVppCollision Data from the ATLAS Detector

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Search for Higgs Boson Decays into aZBoson and a Light Hadronically Decaying Resonance Using 13 TeVppCollision Data from the ATLAS Detector

Georges Aad, Brad Abbott, Dale Charles Abbott, Adam Abed Abud, Kira Abeling, Deshan Kavishka Abhayasinghe, Syed Haider Abidi, Ossama Abouzeid, Nicola Abraham, Halina Abramowicz, …

Physical review letters, 卷.125(22)

2020

DOI: https://doi.org/10.1103/PhysRevLett.125.221802

Web of Science ID: WOS:000592070700003

摘要

High Energy Physics - Experiment

Physics

A search for Higgs boson decays into a Z boson and a light resonance in two-lepton plus jet events is performed, using a pp collision dataset with an integrated luminosity of 139 fb-1 collected at s=13 TeV by the ATLAS experiment at the CERN LHC. The resonance considered is a light boson with a mass below 4 GeV from a possible extended scalar sector or a charmonium state. Multivariate discriminants are used for the event selection and for evaluating the mass of the light resonance. No excess of events above the expected background is found. Observed (expected) 95% confidence-level upper limits are set on the Higgs boson production cross section times branching fraction to a Z boson and the signal resonance, with values in the range 17–340 pb (16-5+6–320-90+130 pb) for the different light spin-0 boson mass and branching fraction hypotheses, and with values of 110 and 100 pb (100-30+40 and 100-30+40 pb) for the ηc and J/ψ hypotheses, respectively.

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題名: Search for Higgs Boson Decays into aZBoson and a Light Hadronically Decaying Resonance Using 13 TeVppCollision Data from the ATLAS Detector
創作者：: Georges Aad - Centre National de la Recherche Scientifique
Brad Abbott - University of Oklahoma
Dale Charles Abbott - University of Massachusetts Amherst
Adam Abed Abud
Kira Abeling - University of Göttingen
Deshan Kavishka Abhayasinghe - Royal Holloway University of London
Syed Haider Abidi - University of Toronto
Ossama Abouzeid - University of Copenhagen
Nicola Abraham - University of Sussex
Halina Abramowicz - Tel Aviv University
Henso Abreu - Technion – Israel Institute of Technology
Yiming Abulaiti - Argonne National Laboratory
Bobby Samir Acharya - The Abdus Salam International Centre for Theoretical Physics (ICTP)
Baida Achkar - University of Göttingen
Lennart Adam
Claire Adam Bourdarios - Laboratoire d’Annecy de Physique des Particules
Leszek Adamczyk - AGH University of Krakow
Lukas Adamek - University of Toronto
Jahred Adelman - Northern Illinois University
Michael Adersberger - Ludwig-Maximilians-Universität München
Aytul Adiguzel - Boğaziçi University
Sofia Adorni - University of Geneva
Tim Adye - Rutherford Appleton Laboratory
Tony Affolder
Yoav Afik - Technion – Israel Institute of Technology
Christina Agapopoulou - Centre National de la Recherche Scientifique
Merve Nazlim Agaras - Centre National de la Recherche Scientifique
Anamika Aggarwal - Radboud University Nijmegen
Catalin Agheorghiesei - Alexandru Ioan Cuza University
Juan Antonio Aguilar Saavedra
Ammara Ahmad
Faig Ahmadov - Joint Institute for Nuclear Research
Waleed Syed Ahmed - McGill University
Xiaocong Ai - Lawrence Berkeley National Laboratory
Giulio Aielli - University of Rome Tor Vergata
Shunichi Akatsuka - Kyoto University
Torsten Paul Ake Akesson - Lund University
Ece Akilli - University of Geneva
Andrei Akimov - P.N. Lebedev Physical Institute of the Russian Academy of Sciences
Konie Al Khoury - Centre National de la Recherche Scientifique
Gian Luigi Alberghi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
Justin Albert - University of Victoria
Maria Josefina Alconada Verzini
Sara Caroline Alderweireldt - European Organization for Nuclear Research
Martin Aleksa - European Organization for Nuclear Research
Igor Aleksandrov - Joint Institute for Nuclear Research
Calin Alexa - Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
Theodoros Alexopoulos - National Technical University of Athens
Alice Alfonsi - National Institute for Subatomic Physics
Fabrizio Alfonsi - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
Muhammad Alhroob - University of Oklahoma
Babar Ali - Czech Technical University in Prague
Shahzad Ali - Institute of Physics, Academia Sinica
Malik Aliev - National Research Tomsk State University
Gianluca Alimonti - Istituto Nazionale di Fisica Nucleare, Sezione di Milano
Corentin Allaire - European Organization for Nuclear Research
Benedict Allbrooke
Benjamin William Allen - University of Oregon
Phillip Allport - University of Birmingham
Alberto Aloisio - Istituto Nazionale di Fisica Nucleare, Sezione di Napoli
Francisco Alonso - Consejo Nacional de Investigaciones Científicas y Técnicas
Cristiano Alpigiani - University of Washington
Elio Alunno Camelia
Manuel Alvarez Estevez
Mariagrazia Alviggi - Istituto Nazionale di Fisica Nucleare, Sezione di Napoli
Yara Amaral Coutinho
Alessandro Ambler - McGill University
Luca Ambroz - University of Oxford
Christoph Amelung - Brandeis University
Dante Eric Amidei - University of Michigan
Susana Patricia Amor dos Santos
Simone Amoroso - Deutsches Elektronen-Synchrotron DESY
Cherifa Sabrina Amrouche - University of Geneva
Fenfen An - Iowa State University
Christos Anastopoulos - University of Sheffield
Nansi Andari - Commissariat à l'Énergie Atomique et aux Énergies Alternatives
Timothy Andeen - The University of Texas at Austin
John Kenneth Anders - University of Bern
Stefio Yosse Andrean - Stockholm University
Attilio Andreazza - University of Milan
George Victor Andrei
Christopher Ryan Anelli - University of Victoria
Stylianos Angelidakis - National and Kapodistrian University of Athens
Aaron Angerami - Columbia University
Alexey Anisenkov - Siberian Branch of the Russian Academy of Sciences
Alberto Annovi - Istituto Nazionale di Fisica Nucleare, Sezione di Pisa
Claire Antel - University of Geneva
Matthew Thomas Anthony - University of Sheffield
Egor Antipov - Oklahoma State University
Mario Antonelli - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
Daniel Joseph Antrim - University of California, Irvine
Fabio Anulli - Istituto Nazionale di Fisica Nucleare, Sezione di Roma I
Masato Aoki - High Energy Accelerator Research Organization
Javier Alberto Aparisi Pozo
Marco Aparo - University of Sussex
Ludovica Aperio Bella
Nordin Aranzabal - European Organization for Nuclear Research
Victor Araujo Ferraz
Rodrigo Araujo Pereira
Chiara Arcangeletti - Istituto Nazionale di Fisica Nucleare, Laboratori Nazionali di Frascati
King-Man Cheung - 物理學系
出版者: American Physical Society; COLLEGE PK
總頁數: 22
補助款備註: ANPCyT, Argentina YerPhI, Armenia ARC, Australia BMWFW, Austria FWF, Austria ANAS, Azerbaijan SSTC, Belarus CNPq, Brazil FAPESP, Brazil NSERC, Canada NRC, Canada CFI, Canada CERN ANID, Chile CAS, China MOST, China NSFC, China COLCIENCIAS, Colombia MSMT CR, Czech Republic MPO CR, Czech Republic VSC CR, Czech Republic DNRF, Denmark DNSRC, Denmark IN2P3-CNRS, France CEA-DRF/IRFU, France SRNSFG, Georgia BMBF, Germany HGF, Germany MPG, Germany GSRT, Greece RGC, China Hong Kong SAR, China ISF, Israel Benoziyo Center, Israel INFN, Italy MEXT, Japan JSPS, Japan CNRST, Morocco NWO, Netherlands RCN, Norway MNiSW, Poland NCN, Poland FCT, Portugal MNE/IFA, Romania MES of Russia, Russia Federation NRC KI, Russia Federation JINR MESTD, Serbia MSSR, Slovakia ARRS, Slovenia MIZS, Slovenia DST/NRF, South Africa MICINN, Spain SRC, Sweden Wallenberg Foundation, Sweden SERI, Switzerland SNSF, Switzerland Canton of Bern, Switzerland Canton of Geneva, Switzerland MOST, Taiwan TAEK, Turkey STFC, United Kingdom DOE, United States of America NSF, United States of America BCKDF, Canada CANARIE, Canada Compute Canada, Canada CRC, Canada ERC, European Union ERDF, European Union Horizon 2020, European Union Marie Sklodowska-Curie Actions, European Union COST, European Union Investissements d'Avenir Labex, France Investissements d'Avenir Idex, France ANR, France DFG, Germany AvH Foundation, Germany Herakleitos programme Thales programme Aristeia programme EU-ESF, Greece Greek NSRF, Greece BSF-NSF, Israel GIF, Israel La Caixa Banking Foundation, Spain CERCA Programme Generalitat de Catalunya, Spain PROMETEO Programme Generalitat Valenciana, Spain GenT Programme Generalitat Valenciana, Spain Goran Gustafssons Stiftelse, Sweden Royal Society, United Kingdom Leverhulme Trust, United Kingdom Science and Technology Facilities Council: ST/S000747/1, ST/M005437/1, ST/M006980/1, ST/N000234/1, ST/L001179/1, ST/N000277/1, ATLAS, GRIDPP, ST/N000331/1, ST/N000420/1, ST/S000879/1, ST/P002439/1 STFC: ST/P002439/1, ST/L001179/1, ST/S000879/1, ST/M006980/1, ST/S00095X/1, ST/S000747/1, ST/R002495/1, ST/M005437/1, ST/N000234/1, ST/N000277/1, ST/T000414/1, ST/N000420/1, ST/N000331/1
We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of ANPCyT, Argentina; YerPhI, Armenia; ARC, Australia; BMWFW and FWF, Austria; ANAS, Azerbaijan; SSTC, Belarus; CNPq and FAPESP, Brazil; NSERC, NRC and CFI, Canada; CERN; ANID, Chile; CAS, MOST and NSFC, China; COLCIENCIAS, Colombia; MSMT CR, MPO CR and VSC CR, Czech Republic; DNRF and DNSRC, Denmark; IN2P3-CNRS and CEA-DRF/IRFU, France; SRNSFG, Georgia; BMBF, HGF and MPG, Germany; GSRT, Greece; RGC and Hong Kong SAR, China; ISF and Benoziyo Center, Israel; INFN, Italy; MEXT and JSPS, Japan; CNRST, Morocco; NWO, Netherlands; RCN, Norway; MNiSW and NCN, Poland; FCT, Portugal; MNE/IFA, Romania; MES of Russia and NRC KI, Russia Federation; JINR; MESTD, Serbia; MSSR, Slovakia; ARRS and MIZS, Slovenia; DST/NRF, South Africa; MICINN, Spain; SRC and Wallenberg Foundation, Sweden; SERI, SNSF and Cantons of Bern and Geneva, Switzerland; MOST, Taiwan; TAEK, Turkey; STFC, United Kingdom; DOE and NSF, United States of America. In addition, individual groups and members have received support from BCKDF, CANARIE, Compute Canada and CRC, Canada; ERC, ERDF, Horizon 2020, Marie Sklodowska-Curie Actions and COST, European Union; Investissements d'Avenir Labex, Investissements d'Avenir Idex and ANR, France; DFG and AvH Foundation, Germany; Herakleitos, Thales and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF, Greece; BSF-NSF and GIF, Israel; La Caixa Banking Foundation, CERCA Programme Generalitat de Catalunya and PROMETEO and GenT Programmes Generalitat Valenciana, Spain; Goran Gustafssons Stiftelse, Sweden; The Royal Society and Leverhulme Trust, United Kingdom. The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN, the ATLAS Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), PIC (Spain), ASGC (Taiwan), RAL (UK), and BNL (USA), the Tier-2 facilities worldwide, and large non-WLCG resource providers. Major contributors of computing resources are listed in Ref. [110]. Ministry of Education, Science, Research and Sport
學術資源類型: 期刊文章
出版日期: 2020
出版資訊: Physical review letters, 卷.125(22)
語言: 英語

Search for Higgs Boson Decays into aZBoson and a Light Hadronically Decaying Resonance Using 13 TeVppCollision Data from the ATLAS Detector

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