Journal
PHYSICS LETTERS B
Volume 811, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2020.135988
Keywords
CMS; Physics; Vector boson scattering
Funding
- FWF (Austria)
- FNRS (Belgium)
- FWO (Belgium)
- CNPq (Brazil)
- CAPES (Brazil)
- FAPERJ (Brazil)
- FAPERGS (Brazil)
- FAPESP (Brazil)
- MES (Bulgaria)
- MOST (China)
- NSFC (China)
- COLCIENCIAS (Colombia)
- CSF (Croatia)
- RIF (Cyprus)
- SENESCYT (Ecuador)
- MoER (Estonia)
- ERDF (Estonia)
- Academy of Finland (Finland)
- MEC (Finland)
- HIP (Finland)
- CEA (France)
- BMBF (Germany)
- DFG (Germany)
- HGF (Germany)
- GSRT (Greece)
- NKFIA (Hungary)
- DAE (India)
- DST (India)
- IPM (Iran)
- SFI (Ireland)
- INFN (Italy)
- NRF (Republic of Korea)
- MES (Latvia)
- MOE (Malaysia)
- BUAP (Mexico)
- CONACYT (Mexico)
- UASLP-FAI (Mexico)
- MSHE (Poland)
- FCT (Portugal)
- JINR (Dubna)
- RFBR (Russia)
- MESTD (Serbia)
- SEIDI (Spain)
- FEDER (Spain)
- Swiss Funding Agencies (Switzerland)
- NSTDA (Thailand)
- TUBITAK (Turkey)
- TAEK (Turkey)
- NASU (Ukraine)
- DOE (USA)
- NSF (USA)
- Marie-Curie program
- European Research Council
- Horizon 2020 (European Union) [675440, 752730, 765710]
- Leventis Foundation
- Alfred P. Sloan Foundation
- Alexander von Humboldt Foundation
- Belgian Federal Science Policy Office
- Fonds pour la Formation a la Recherche dans l'Industrie et dans l'Agriculture (FRIA-Belgium)
- Agentschap voor Innovatie door Wetenschap en Technologie (IWT-Belgium)
- FWO (Belgium) under the Excellence of Science - EOS - be.h project [30820817]
- Beijing Municipal Science and Technology Commission [Z191100007219010]
- Ministry of Education, Youth and Sports (MEYS) of the Czech Republic
- Deutsche Forschungsgemeinschaft (DFG) under Germany's Excellence Strategy [EXC 2121, 390833306]
- Janos Bolyai Research Scholarship of the Hungarian Academy of Sciences
- Council of Science and Industrial Research, India
- HOMING PLUS program of the Foundation for Polish Science
- European Union, Regional Development Fund
- National Science Center (Poland) [2014/14/M/ST2/00428, 2014/13/B/ST2/02543, 2014/15/B/ST2/03998, 2015/19/B/ST2/02861, 2012/07/E/ST2/01406]
- National Priorities Research Program by Qatar National Research Fund
- Ministry of Science and Higher Education (Russia) [02.a03.21.0005]
- Programa Estatal de Fomento de la Investigacion Cientifica y Tecnica de Excelencia Maria de Maeztu [MDM-2015-0509]
- Programa Severo Ochoa del Principado de Asturias
- EU-ESF
- Greek NSRF
- Rachadapisek Sompot Fund for Postdoctoral Fellowship, Chulalongkorn University
- Kavli Foundation
- Nvidia Corporation
- SuperMicro Corporation
- Welch Foundation [C-1845]
- Weston Havens Foundation (USA)
- NKFIA [123842, 123959, 124845, 124850, 125105, 128713, 128786, 129058]
- BMBWF (Austria)
- CERN
- CAS (China)
- MSES (Croatia)
- ERC IUT (Estonia)
- PUT (Estonia)
- CNRS/IN2P3 (France)
- MSIP (Republic of Korea)
- LAS (Lithuania)
- UM (Malaysia)
- CINVESTAV (Mexico)
- LNS (Mexico)
- SEP (Mexico)
- MOS (Montenegro)
- MBIE (New Zealand)
- PAEC (Pakistan)
- NSC (Poland)
- MON (Russia)
- ROSATOM (Russia)
- RAS (Russia)
- NRC KI (Russia)
- CPAN (Spain)
- PCTI (Spain)
- MoSTR (Sri Lanka)
- MST (Taipei)
- ThEP Center (Thailand)
- IPST (Thailand)
- STAR (Thailand)
- STFC (United Kingdom)
- F.R.S.-FNRS
- Lendulet (Momentum) Program
- New National Excellence Program UNKP
- Mobility Plus program of the Ministry of Science and Higher Education
- Chulalongkorn Academic into Its 2nd Century Project Advancement Project (Thailand)
- STFC [ST/S00078X/1, ST/H000925/2, ST/K003542/1, ST/M004775/1, ST/T001291/1, ST/S000739/1, ST/N001273/1, ST/L005603/1, ST/K001639/1] Funding Source: UKRI
- Science and Technology Facilities Council [ST/K003542/1, ST/L005603/1, ST/T001291/1, ST/K001639/1, ST/N001273/1, ST/M004775/1, ST/H000925/2] Funding Source: researchfish
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A first observation is presented for the electroweak production of a W boson, a photon, and two jets in proton-proton collisions. The W boson decays are selected by requiring one identified electron or muon and an imbalance in transverse momentum. The two jets are required to have a high dijet mass and a large separation in pseudorapidity. The measurement is based on data collected with the CMS detector at a center-of-mass energy of 13 TeV, corresponding to an integrated luminosity of 35.9 fb(-1). The observed (expected) significance for this process is 4.9 (4.6) standard deviations. After combining with previously reported CMS results at 8 TeV, the observed (expected) significance is 5.3 (4.8) standard deviations. The cross section for the electroweak W gamma jj production in a restricted fiducial region is measured as 20.4 +/- 4.5 fb and the total cross section for W gamma production in association with 2 jets in the same fiducial region is 108 +/- 16 fb. All results are in good agreement with recent theoretical predictions. Constraints are placed on anomalous quartic gauge couplings in terms of dimension-8 effective field theory operators. (C) 2020 The Author(s). Published by Elsevier B.V.
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