Published February 10, 2015
| Published + Submitted
Journal Article
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Measurement of electroweak production of two jets in association with a Z boson in proton–proton collisions at √s = 8TeV
Chicago
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Abstract
The purely electroweak (EW) cross section for the production of two jets in association with a Z boson, in proton–proton collisions at √ s = 8TeV, is measured using data recorded by the CMS experiment at the CERN LHC, corresponding to an integrated luminosity of 19.7fb ^(-1). The electroweak cross section for the ℓℓjj final state (with ℓ=e or μ and j representing the quarks produced in the hard interaction) in the kinematic region defined by M ℓℓ >50 GeV, M jj >120 GeV, transverse momentum p_( Tj) >25 GeV, and pseudorapidity |η_ j |<5, is found to be σ_( EW) (ℓℓjj)=174±15(stat)±40(syst)\,fb, in agreement with the standard model prediction. The associated jet activity of the selected events is studied, in particular in a signal-enriched region of phase space, and the measurements are found to be in agreement with QCD predictions.
Additional Information
© 2015 CERN for the benefit of the CMS collaboration. Received 12 October 2014; Accepted 15 December 2014; Published online 10 February 2015. This article is distributed under the terms of the Creative Commons Attribution License which permits any use, distribution, and reproduction in any medium, provided the original author(s) and the source are credited. Funded by SCOAP^3 / License Version CC BY 4.0. We congratulate our colleagues in the CERN accelerator departments for the excellent performance of the LHC and thank the technical and administrative staffs at CERN and at other CMS institutes for their contributions to the success of the CMS effort. In addition, we gratefully acknowledge the computing centres and personnel of the Worldwide LHC Computing Grid for delivering so effectively the computing infrastructure essential to our analyses. Finally, we acknowledge the enduring support for the construction and operation of the LHC and the CMS detector provided by the following funding agencies: BMWFW and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil);MES (Bulgaria);CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES and CSF (Croatia); RPF (Cyprus); MoER, ERC IUT and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3(France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NIH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF andWCU (Republic of Korea); LAS (Lithuania); MOE and UM (Malaysia); CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico);MBIE(New Zealand); PAE (Pakistan);MSHE and NSC (Poland); FCT (Portugal); JINR (Dubna); MON, RosAtom, RAS and RFBR (Russia);MESTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); MST (Taipei); ThEPCenter, IPST, STAR and NSTDA (Thailand); TUBITAK and TAEK (Turkey); NASU and SFFR (Ukraine); STFC (United Kingdom); DOE and NSF (USA). Individuals have received support from the Marie-Curie programme and the European Research Council and EPLANET (European Union); the Leventis Foundation; the A. P. Sloan Foundation; the Alexander von Humboldt Foundation; the Belgian Federal Science Policy Office; the Fonds pour la Formation à la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium); the Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium); the Ministry of Education, Youth and Sports (MEYS) of the Czech Republic; the Council of Science and Industrial Research, India; the HOMING PLUS programme of Foundation for Polish Science, cofinanced from European Union, Regional Development Fund; the Compagnia di San Paolo (Torino); the Consorzio per la Fisica (Trieste); MIUR project 20108T4XTM (Italy); the Thalis and Aristeia programmes cofinanced by EU-ESF and the Greek NSRF; and the National Priorities Research Program by Qatar National Research Fund.Attached Files
Published - art_10.1140_epjc_s10052-014-3232-5.pdf
Submitted - 1410.3153v2.pdf
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Additional details
- Alternative title
- Measurement of electroweak production of two jets in association with a Z boson in proton-proton collisions at root s=8 TeV
- Eprint ID
- 58401
- Resolver ID
- CaltechAUTHORS:20150622-112317340
- BMWFW and FWF (Austria)
- FNRS and FWO (Belgium)
- CNPq, CAPES, FAPERJ, and FAPESP (Brazil)
- MES (Bulgaria)
- CERN
- CAS, MoST, and NSFC (China)
- COLCIENCIAS (Colombia)
- MSES and CSF (Croatia)
- RPF (Cyprus)
- MoER, ERC IUT and ERDF (Estonia)
- Academy of Finland, MEC, and HIP (Finland)
- CEA and CNRS/IN2P3 (France)
- BMBF, DFG, and HGF (Germany)
- GSRT (Greece)
- OTKA and NIH (Hungary)
- DAE and DST (India)
- IPM (Iran)
- Science Foundation, Ireland
- Istituto Nazionale di Fisica Nucleare (INFN)
- NRF and WCU (Republic of Korea)
- LAS (Lithuania)
- MOE and UM (Malaysia)
- CINVESTAV, CONACYT, SEP, and UASLP-FAI (Mexico)
- MBIE (New Zealand)
- PAEC (Pakistan)
- MSHE and NSC (Poland)
- Fundação para a Ciência e a Tecnologia (FCT)
- JINR (Dubna)
- MON, RosAtom, RAS, and RFBR (Russia)
- MESTD (Serbia)
- SEIDI and CPAN (Spain)
- Swiss Funding Agencies (Switzerland)
- MST (Tapei)
- ThEPCenter, IPST, STAR, and NSTDA (Thailand)
- TUBITAK and TAEK (Turkey)
- NASU and SFFR (Ukraine)
- Science and Technology Facilities Council (STFC)
- Department of Energy (DOE)
- NSF
- Marie-Curie programme and the European Research Council and EPLANET (European Union)
- Leventis Foundation
- Alfred P. Sloan Foundation
- Alexander von Humboldt Foundation
- Belgian Federal Science Policy Office
- Fonds pour la Formation à la Recherche dans l'índustrie et dans l'Ágriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- Ministry of Education, Youth and Sports (MEYS) of Czech Republic
- Council of Science and Industrial Research, India
- HOMING PLUS programme of Foundation for Polish Science cofinanced from European Union
- Compagnia di San Paolo (Torino)
- Consorzio per la Fisica (Trieste)
- Ministero dell'Istruzione, dell'Università della Ricerca (MIUR)
- 20108T4XTM
- Thalis and Aristeia programs cofinanced by EU-ESF and the Greek NSRF
- National Priorities Research Program by Qatar National Research Fund
- SCOAP3
- Created
-
2015-06-22Created from EPrint's datestamp field
- Updated
-
2021-11-10Created from EPrint's last_modified field
- Caltech groups
- CMS@Caltech