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Combination of inclusive and differential tt charge asymmetry measurements using ATLAS and CMS data at √s = 7 and 8 TeV

Aaboud, M. and Anderson, D. and Bornheim, A. and Bunn, J. and Lawhorn, J. M. and Newman, H. B. and Nguyen, T. Q. and Pena, C. and Spiropulu, M. and Vlimant, J. R. and Wilkinson, R. and Xie, S. and Zhang, Z. and Zhu, R. Y. and Dubinin, M. (2018) Combination of inclusive and differential tt charge asymmetry measurements using ATLAS and CMS data at √s = 7 and 8 TeV. Journal of High Energy Physics, 2018 (4). Art. No. 33. ISSN 1126-6708. http://resolver.caltech.edu/CaltechAUTHORS:20180530-133443136

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Abstract

This paper presents combinations of inclusive and differential measurements of the charge asymmetry (A_C) in top quark pair (tt) events with a lepton+jets signature by the ATLAS and CMS Collaborations, using data from LHC proton-proton collisions at centre-of-mass energies of 7 and 8 TeV. The data correspond to integrated luminosities of about 5 and 20 fb^(−1) for each experiment, respectively. The resulting combined LHC measurements of the inclusive charge asymmetry are A_C^(CHC7)  = 0.005 ± 0.007 (stat) ± 0.006(syst) at 7 TeV and A_C^(CHC8)  = 0.0055 ± 0.0023 (stat) ± 0.0025 (syst) at 8 TeV. These values, as well as the combination of ACmeasurements as a function of the invariant mass of the tt system at 8 TeV, are consistent with the respective standard model predictions.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1007/JHEP04(2018)033DOIArticle
https://arxiv.org/abs/1709.05327arXivDiscussion Paper
ORCID:
AuthorORCID
Newman, H. B.0000-0003-0964-1480
Spiropulu, M.0000-0001-8172-7081
Xie, S.0000-0003-2509-5731
Zhang, Z.0000-0002-1630-0986
Zhu, R. Y.0000-0003-3091-7461
Additional Information:© The Author(s) 2018. This article is distributed under the terms of the Creative Commons Attribution License (CC-BY 4.0), which permits any use, distribution and reproduction in any medium, provided the original author(s) and source are credited. Article funded by SCOAP3. Received: September 15, 2017; Revised: February 14, 2018; Accepted: March 23, 2018; Published: April 9, 2018. We thank CERN for the very successful operation of the LHC, as well as the support staffs from our institutions without whom ATLAS and CMS could not be operated efficiently. The work presented in this paper is performed in the context of the LHC top physics working group and benefits from its important contributions. We acknowledge the support of ANPCyT (Argentina); YerPhI (Armenia); ARC (Australia); BMWFW and FWF (Austria); ANAS (Azerbaijan); SSTC (Belarus); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MES (Bulgaria); NSERC, NRC, and CFI (Canada); CERN; CONICYT (Chile); CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MSMT CR, MPO CR, and VSC CR (Czech Republic); DNRF and DNSRC (Denmark); SENESCYT (Ecuador); MoER, ERC IUT, and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); SRNSF (Georgia); BMBF, DFG, HGF, and MPG (Germany); GSRT (Greece); RGC (Hong Kong SAR, China); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); ISF, ICORE, and Benoziyo Center (Israel); INFN (Italy); MEXT and JSPS (Japan); MSIP, and NRF (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); BUAP, CINVESTAV, CONACYT, LNS, SEP, and UASLP-FAI (Mexico); CNRST (Morocco); NWO (Netherlands); MBIE (New Zealand); RCN (Norway); PAEC (Pakistan); MNiSW, MSHE, NCN, and NSC (Poland); FCT (Portugal); MNE/IFA (Romania); JINR (Dubna); MES, MON, NRC KI, RosAtom, RAS, RFBR and RAEP (Russian Federation); MESTD (Serbia); MSSR (Slovakia); ARRS and MIZŠ (Slovenia); DST/NRF (South Africa); MINECO, SEIDI, CPAN, PCTI and FEDER (Spain); SRC and Wallenberg Foundation (Sweden); ETH Board, ETH Zurich, PSI, SERI, SNSF, UniZH, and Cantons of Bern, Geneva and Zurich (Switzerland); MOST (Taipei); ThEPCenter, IPST, STAR, and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (United States of America). In addition, individual groups and members have received support from BELSPO, FRIA, and IWT (Belgium); BCKDF, the Canada Council, CANARIE, CRC, Compute Canada, FQRNT, and the Ontario Innovation Trust (Canada); the Leventis Foundation (Cyprus); MEYS (Czech Republic); EPLANET, ERC, ERDF, FP7, Horizon 2020, and Marie Skłodowska-Curie Actions (European Union); Investissements d'Avenir Labex and Idex, ANR, Région Auvergne and Fondation Partager le Savoir (France); AvH Foundation (Germany); the Herakleitos, Thales, and Aristeia programmes co-financed by EU-ESF and the Greek NSRF (Greece); CSIR (India); BSF, GIF, and Minerva (Israel); BRF (Norway); the HOMING PLUS programme of the FPS, co-financed from the EU Regional Development Fund, the Mobility Plus programme of the MSHE, and the OPUS programme of the NSC (Poland); the NPRP by Qatar NRF (Qatar); Generalitat de Catalunya, Generalitat Valenciana, and the Programa Clarín-COFUND del Principado de Asturias (Spain); the Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University, and the Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand); the Royal Society and Leverhulme Trust (United Kingdom); the A. P. Sloan Foundation, the Welch Foundation, and the Weston Havens Foundation (United States of America). The crucial computing support from all WLCG partners is acknowledged gratefully, in particular from CERN and the Tier-1 facilities at TRIUMF (Canada), NDGF (Denmark, Norway, Sweden), CC-IN2P3 (France), KIT/GridKA (Germany), INFN-CNAF (Italy), NL-T1 (Netherlands), RRC-KI and JINR (Russian Federation), PIC (Spain), ASGC (Taipei), RAL (U.K.), and BNL and FNAL (U.S.A.), and from the Tier-2 facilities worldwide and large non-WLCG resource providers.
Group:CMS@Caltech
Funders:
Funding AgencyGrant Number
Bundesministerium für Wissenschaft, Forschung Und Wirtschaft (BMWFW)UNSPECIFIED
FWF Der WissenschaftsfondsUNSPECIFIED
Fonds de la Recherche Scientifique (FNRS)UNSPECIFIED
Fonds Wetenschappelijk Onderzoek (FWO)UNSPECIFIED
Conselho Nacional de Desenvolvimento Científico e Tecnológico (CNPq)UNSPECIFIED
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)UNSPECIFIED
Fundação de Amparo à Pesquisa do Estado do Rio de Janeiro (FAPERJ)UNSPECIFIED
Fundação de Amparo à Pesquisa do Estado de São Paulo (FAPESP)UNSPECIFIED
Ministry of Education and Science (Bulgaria)UNSPECIFIED
CERNUNSPECIFIED
Chinese Academy of SciencesUNSPECIFIED
Ministry of Science and Technology (China)UNSPECIFIED
National Natural Science Foundation of ChinaUNSPECIFIED
Departamento Administrativo de Ciencia, Tecnología e Innovación (COLCIENCIAS)UNSPECIFIED
Ministry of Science, Education and Sport (Croatia)UNSPECIFIED
Croatian Science FoundationUNSPECIFIED
Research Promotion Foundation (Cyprus)UNSPECIFIED
Secretaría Nacional de Educación Superior, Ciencia, Tecnología e Innovación (SENESCYT)UNSPECIFIED
Ministry of Education and Research (Estonia)UNSPECIFIED
Estonian Research CouncilUNSPECIFIED
European Regional Development Fund (Estonia)UNSPECIFIED
Academy of FinlandUNSPECIFIED
Ministry of Education and Culture (Finland)UNSPECIFIED
Helsinki Institute of PhysicsUNSPECIFIED
Commissariat a l'Energie Atomique (CEA)UNSPECIFIED
Centre National de la Recherche Scientifique (CNRS)UNSPECIFIED
Institut National de Physique Nucléaire et de Physique des Particules (IN2P3)UNSPECIFIED
Bundesministerium für Bildung und Forschung (BMBF)UNSPECIFIED
Deutsche Forschungsgemeinschaft (DFG)UNSPECIFIED
Helmholtz-Gemeinschaft Deutscher Forschungszentren (HGF)UNSPECIFIED
General Secretariat for Research and Technology (GSRT)UNSPECIFIED
Hungarian Scientific Research Fund (OTKA)UNSPECIFIED
National Innovation Office (Hungary)UNSPECIFIED
Department of Atomic Energy (India)UNSPECIFIED
Department of Science and Technology (India)UNSPECIFIED
Institute for Studies in Theoretical Physics and Mathematics (Iran)UNSPECIFIED
Science Foundation, IrelandUNSPECIFIED
Istituto Nazionale di Fisica Nucleare (INFN)UNSPECIFIED
Ministry of Science, ICT and Future Planning (Korea)UNSPECIFIED
National Research Foundation of KoreaUNSPECIFIED
Lithuanian Academy of SciencesUNSPECIFIED
Ministry of Education (Malaysia)UNSPECIFIED
University of MalayaUNSPECIFIED
Benemérita Universidad Autónoma de Puebla (BUAP)UNSPECIFIED
Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (CINVESTAV)UNSPECIFIED
Consejo Nacional de Ciencia y Tecnología (CONACYT)UNSPECIFIED
Laboratorio Nacional de Supercómputo (LNS)UNSPECIFIED
Secretaría de Educación Pública (SEP)UNSPECIFIED
Universidad Autónoma de San Luis Potosí Inicio-Facultad de Ingeniería (UASLP-FAI)UNSPECIFIED
Ministry of Business, Innovation and Employment (New Zealand)UNSPECIFIED
Atomic Energy Commission (Pakistan)UNSPECIFIED
Ministry of Science and Higher Education (Poland)UNSPECIFIED
National Science Centre (Poland)UNSPECIFIED
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Joint Institute for Nuclear Research (JINR)UNSPECIFIED
Russian Ministry of Education and Sciences (MON)UNSPECIFIED
RosAtomUNSPECIFIED
Russian Academy of SciencesUNSPECIFIED
Russian Foundation for Basic ResearchUNSPECIFIED
Russian Academic Excellence Project (RAEP)UNSPECIFIED
Ministry of Education, Science and Technological Development (Serbia)UNSPECIFIED
Secretaría de Estado de Investigación, Desarrollo e Innovación (SEIDI)UNSPECIFIED
Centro Nacional de Física de Partículas, Astropartículas y Nuclear (CPAN)UNSPECIFIED
Plan de Ciencia, Tecnología e Innovació (PCTI)UNSPECIFIED
Fondo Europeo de Desarrollo Regional (FEDER)UNSPECIFIED
Swiss Funding AgenciesUNSPECIFIED
Ministry of Science and Technology (Taipei)UNSPECIFIED
Thailand Center of Excellence in PhysicsUNSPECIFIED
Institute for the Promotion of Teaching Science and Technology (Thailand)UNSPECIFIED
Special Task Force for Activating Research (Thailand)UNSPECIFIED
National Science and Technology Development Agency (Thailand)UNSPECIFIED
Türkiye Bilimsel ve Teknolojik Araştırma Kurumu (TÜBİTAK)UNSPECIFIED
Türkiye Atom Enerjisi Kurumu (TAEK)UNSPECIFIED
National Academy of Sciences (Ukraine)UNSPECIFIED
State Fund for Fundamental Research (Ukraine)UNSPECIFIED
Science and Technology Facilities Council (STFC)UNSPECIFIED
Department of Energy (DOE)UNSPECIFIED
NSFUNSPECIFIED
Marie Curie FellowshipUNSPECIFIED
European Research Council (ERC)UNSPECIFIED
Leventis FoundationUNSPECIFIED
Alfred P. Sloan FoundationUNSPECIFIED
Alexander von Humboldt FoundationUNSPECIFIED
Belgian Federal Science Policy Office (BELSPO)UNSPECIFIED
Fonds pour la Formation à la Recherche dans l’Industrie et dans l’Agriculture (FRIA-Belgium)UNSPECIFIED
Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)UNSPECIFIED
Ministry of Education, Youth and Sports (Czech Republic)UNSPECIFIED
Council of Science and Industrial Research (India)UNSPECIFIED
Foundation for Polish Science HOMING PLUS ProgramUNSPECIFIED
European Union Regional Development FundUNSPECIFIED
Homing Plus ProgramUNSPECIFIED
Mobility Plus ProgramUNSPECIFIED
OPUS ProgramUNSPECIFIED
Qatar National Research Fund National Priorities Research ProgramUNSPECIFIED
Programa Severo Ochoa del Principado de AsturiasUNSPECIFIED
Thalis ProgramUNSPECIFIED
Aristeia ProgramUNSPECIFIED
European Social FundUNSPECIFIED
Greek National Strategic Reference Framework (NSRF)UNSPECIFIED
Rachadapisek Sompot FundUNSPECIFIED
Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand)UNSPECIFIED
Robert A. Welch FoundationC-1845
Weston Havens FoundationUNSPECIFIED
Agencia Nacional de Promoción Científica y Tecnológica (ANPCyT)UNSPECIFIED
Yerevan Physics Institute (Armenia)UNSPECIFIED
Australian Research CouncilUNSPECIFIED
Azerbaijan National Academy of Sciences (ANAS)UNSPECIFIED
State Science and Technology Committee (Belarus)UNSPECIFIED
Natural Sciences and Engineering Research Council of Canada (NSERC)UNSPECIFIED
National Research Council of CanadaUNSPECIFIED
Canada Foundation for InnovationUNSPECIFIED
Comisión Nacional de Investigación Científica y Tecnológica (CONICYT)UNSPECIFIED
Ministerstvo školství, mládeže a tělovýchovy (Czech Republic)UNSPECIFIED
Ministry of Industry and Trade (Czech Republic)UNSPECIFIED
VSC CR (Czech Republic)UNSPECIFIED
Danish National Research FoundationUNSPECIFIED
Danish Natural Science Research CouncilUNSPECIFIED
Shota Rustaveli National Science Foundation (Georgia)UNSPECIFIED
Research Grants Council of Hong KongUNSPECIFIED
Israel Science FoundationUNSPECIFIED
Israeli Centers of Research Excellence (I-CORE)UNSPECIFIED
Benoziyo Center (Israel)UNSPECIFIED
Ministry of Education, Culture, Sports, Science and Technology (MEXT)UNSPECIFIED
Japan Society for the Promotion of Science (JSPS)UNSPECIFIED
Centre National pour la Recherche Scientifique et Technique (CNRST)UNSPECIFIED
Research Council of NorwayUNSPECIFIED
MNE/IFA (Romania)UNSPECIFIED
Ministry of Education and Science (Russia)UNSPECIFIED
National Research Center, Kurchatov Institute (Russia)UNSPECIFIED
MSSR (Slovakia)UNSPECIFIED
Slovenian Research Agency (ARRS)UNSPECIFIED
Ministry of Education, Science and Sport (Slovenia)UNSPECIFIED
National Research Foundation (South Africa)UNSPECIFIED
Ministerio de Economía, Industria y Competitividad (MINECO)UNSPECIFIED
Stockholm Resilience Centre (Sweden)UNSPECIFIED
Knut and Alice Wallenberg FoundationUNSPECIFIED
Canton of BernUNSPECIFIED
Canton of GenevaUNSPECIFIED
Canton of ZurichUNSPECIFIED
British Columbia Knowledge Development FundUNSPECIFIED
Canada CouncilUNSPECIFIED
Canadian Network for the Advancement of Research, Industry and EducationUNSPECIFIED
Communications Research Centre Canada (CRC)UNSPECIFIED
Compute CanadaUNSPECIFIED
Fonds de recherche du Québec - Nature et technologies (FRQNT)UNSPECIFIED
Ontario Innovation TrustUNSPECIFIED
EPLANETUNSPECIFIED
Investissements d'Avenir Labex and Idex (France)UNSPECIFIED
Agence Nationale pour la Recherche (ANR)UNSPECIFIED
Région Auvergne and Fondation Partager le Savoir (France)UNSPECIFIED
Herakleitos ProgramUNSPECIFIED
Binational Science Foundation (USA-Israel)UNSPECIFIED
German-Israeli Foundation for Research and DevelopmentUNSPECIFIED
MINERVA (Israel)UNSPECIFIED
BRF (Norway)UNSPECIFIED
Generalitat de CatalunyaUNSPECIFIED
Generalitat ValencianaUNSPECIFIED
Programa Clarín-COFUND del Principado de AsturiasUNSPECIFIED
Royal SocietyUNSPECIFIED
SCOAP3UNSPECIFIED
Subject Keywords:Hadron-Hadron scattering (experiments), Top physics
Record Number:CaltechAUTHORS:20180530-133443136
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20180530-133443136
Official Citation:The ATLAS collaboration, Aaboud, M., Aad, G. et al. J. High Energ. Phys. (2018) 2018: 33. https://doi.org/10.1007/JHEP04(2018)033
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:86720
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:31 May 2018 16:10
Last Modified:06 Jun 2018 21:32

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