https://doi.org/10.1140/epjc/s10052-019-7585-7
Regular Article - Experimental Physics
Measurement of electroweak production of a
boson in association with two jets in proton–proton collisions at
1
Yerevan Physics Institute, Yerevan, Armenia
2
Institut für Hochenergiephysik, Wien, Austria
3
Institute for Nuclear Problems, Minsk, Belarus
4
Universiteit Antwerpen, Antwerp, Belgium
5
Vrije Universiteit Brussel, Brussels, Belgium
6
Université Libre de Bruxelles, Bruxelles, Belgium
7
Ghent University, Ghent, Belgium
8
Université Catholique de Louvain, Louvain-la-Neuve, Belgium
9
Centro Brasileiro de Pesquisas Fisicas, Rio de Janeiro, Brazil
10
Universidade do Estado do Rio de Janeiro, Rio de Janeiro, Brazil
11
Universidade Estadual Paulista, Universidade Federal do ABC, São Paulo, Brazil
12
Institute for Nuclear Research and Nuclear Energy, Bulgarian Academy of Sciences, Sofia, Bulgaria
13
University of Sofia, Sofia, Bulgaria
14
Beihang University, Beijing, China
15
Institute of High Energy Physics, Beijing, China
16
State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China
17
Tsinghua University, Beijing, China
18
Universidad de Los Andes, Bogota, Colombia
19
Universidad de Antioquia, Medellin, Colombia
20
University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia
21
University of Split, Faculty of Science, Split, Croatia
22
Institute Rudjer Boskovic, Zagreb, Croatia
23
University of Cyprus, Nicosia, Cyprus
24
Charles University, Prague, Czech Republic
25
Escuela Politecnica Nacional, Quito, Ecuador
26
Universidad San Francisco de Quito, Quito, Ecuador
27
Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt
28
National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
29
Department of Physics, University of Helsinki, Helsinki, Finland
30
Helsinki Institute of Physics, Helsinki, Finland
31
Lappeenranta University of Technology, Lappeenranta, Finland
32
IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
33
Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
34
Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France
35
Centre de Calcul de l’Institut National de Physique Nucleaire et de Physique des Particules, CNRS/IN2P3, Villeurbanne, France
36
Université de Lyon, Université Claude Bernard Lyon 1, CNRS-IN2P3, Institut de Physique Nucléaire de Lyon, Villeurbanne, France
37
Georgian Technical University, Tbilisi, Georgia
38
Tbilisi State University, Tbilisi, Georgia
39
RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany
40
RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
41
RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany
42
Deutsches Elektronen-Synchrotron, Hamburg, Germany
43
University of Hamburg, Hamburg, Germany
44
Karlsruher Institut fuer Technologie, Karlsruhe, Germany
45
Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece
46
National and Kapodistrian University of Athens, Athens, Greece
47
National Technical University of Athens, Athens, Greece
48
University of Ioánnina, Ioánnina, Greece
49
MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary
50
Wigner Research Centre for Physics, Budapest, Hungary
51
Institute of Nuclear Research ATOMKI, Debrecen, Hungary
52
Institute of Physics, University of Debrecen, Debrecen, Hungary
53
Indian Institute of Science (IISc), Bangalore, India
54
National Institute of Science Education and Research, HBNI, Bhubaneswar, India
55
Panjab University, Chandigarh, India
56
University of Delhi, Delhi, India
57
Saha Institute of Nuclear Physics, HBNI, Kolkata, India
58
Indian Institute of Technology Madras, Madras, India
59
Bhabha Atomic Research Centre, Mumbai, India
60
Tata Institute of Fundamental Research-A, Mumbai, India
61
Tata Institute of Fundamental Research-B, Mumbai, India
62
Indian Institute of Science Education and Research (IISER), Pune, India
63
Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
64
University College Dublin, Dublin, Ireland
65
INFN Sezione di Bari, Università di Bari, Politecnico di Bari, Bari, Italy
66
INFN Sezione di Bologna, Università di Bologna, Bologna, Italy
67
INFN Sezione di Catania, Università di Catania, Catania, Italy
68
INFN Sezione di Firenze, Università di Firenze, Firenze, Italy
69
INFN Laboratori Nazionali di Frascati, Frascati, Italy
70
INFN Sezione di Genova, Università di Genova, Genova, Italy
71
INFN Sezione di Milano-Bicocca, Università di Milano-Bicocca, Milan, Italy
72
INFN Sezione di Napoli, Università di Napoli ’Federico II’ , Naples, Italy, Università della Basilicata, Potenza, Italy, Università G. Marconi, Rome, Italy
73
INFN Sezione di Padova, Università di Padova, Padova, Italy, Università di Trento, Trento, Italy
74
INFN Sezione di Pavia, Università di Pavia, Pavia, Italy
75
INFN Sezione di Perugia, Università di Perugia, Perugia, Italy
76
INFN Sezione di Pisa, Università di Pisa, Scuola Normale Superiore di Pisa, Pisa, Italy
77
INFN Sezione di Roma, Sapienza Università di Roma, Rome, Italy
78
INFN Sezione di Torino, Università di Torino, Torino, Italy, Università del Piemonte Orientale, Novara, Italy
79
INFN Sezione di Trieste, Università di Trieste, Trieste, Italy
80
Kyungpook National University, Taegu, Korea
81
Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea
82
Hanyang University, Seoul, Korea
83
Korea University, Seoul, Korea
84
Sejong University, Seoul, Korea
85
Seoul National University, Seoul, Korea
86
University of Seoul, Seoul, Korea
87
Sungkyunkwan University, Suwon, Korea
88
Riga Technical University, Riga, Latvia
89
Vilnius University, Vilnius, Lithuania
90
National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia
91
Universidad de Sonora (UNISON), Hermosillo, Mexico
92
Centro de Investigacion y de Estudios Avanzados del IPN, Mexico, Mexico
93
Universidad Iberoamericana, Mexico, Mexico
94
Benemerita Universidad Autonoma de Puebla, Puebla, Mexico
95
Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
96
University of Montenegro, Podgorica, Montenegro
97
University of Auckland, Auckland, New Zealand
98
University of Canterbury, Christchurch, New Zealand
99
National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan
100
National Centre for Nuclear Research, Swierk, Poland
101
Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland
102
Laboratório de Instrumentação e Física Experimental de Partículas, Lisbon, Portugal
103
Joint Institute for Nuclear Research, Dubna, Russia
104
Petersburg Nuclear Physics Institute, Gatchina (St. Petersburg), Russia
105
Institute for Nuclear Research, Moscow, Russia
106
Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC ‘Kurchatov Institute’, Moscow, Russia
107
Moscow Institute of Physics and Technology, Moscow, Russia
108
National Research Nuclear University ’Moscow Engineering Physics Institute’ (MEPhI), Moscow, Russia
109
P.N. Lebedev Physical Institute, Moscow, Russia
110
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia
111
Novosibirsk State University (NSU), Novosibirsk, Russia
112
Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’, Protvino, Russia
113
National Research Tomsk Polytechnic University, Tomsk, Russia
114
University of Belgrade: Faculty of Physics and VINCA Institute of Nuclear Sciences, Beograde, Serbia
115
Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
116
Universidad Autónoma de Madrid, Madrid, Spain
117
Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain
118
Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain
119
Department of Physics, University of Ruhuna, Matara, Sri Lanka
120
CERN, European Organization for Nuclear Research, Geneva, Switzerland
121
Paul Scherrer Institut, Villigen, Switzerland
122
ETH Zurich-Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland
123
Universität Zürich, Zurich, Switzerland
124
National Central University, Chung-Li, Taiwan
125
National Taiwan University (NTU), Taipei, Taiwan
126
Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
127
Physics Department, Science and Art Faculty, Ukurova University, Adana, Turkey
128
Middle East Technical University, Physics Department, Ankara, Turkey
129
Bogazici University, Istanbul, Turkey
130
Istanbul Technical University, Istanbul, Turkey
131
Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkov, Ukraine
132
National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov, Ukraine
133
University of Bristol, Bristol, UK
134
Rutherford Appleton Laboratory, Didcot, UK
135
Imperial College, London, UK
136
Brunel University, Uxbridge, UK
137
Baylor University, Waco, USA
138
Catholic University of America, Washington, DC, USA
139
The University of Alabama, Tuscaloosa, USA
140
Boston University, Boston, USA
141
Brown University, Providence, USA
142
University of California, Davis, Davis, USA
143
University of California, Los Angeles, USA
144
University of California, Riverside, Riverside, USA
145
University of California, San Diego, La Jolla, USA
146
University of California, Santa Barbara-Department of Physics, Santa Barbara, USA
147
California Institute of Technology, Pasadena, USA
148
Carnegie Mellon University, Pittsburgh, USA
149
University of Colorado Boulder, Boulder, USA
150
Cornell University, Ithaca, USA
151
Fermi National Accelerator Laboratory, Batavia, USA
152
University of Florida, Gainesville, USA
153
Florida International University, Miami, USA
154
Florida State University, Tallahassee, USA
155
Florida Institute of Technology, Melbourne, USA
156
University of Illinois at Chicago (UIC), Chicago, USA
157
The University of Iowa, Iowa City, USA
158
Johns Hopkins University, Baltimore, USA
159
The University of Kansas, Lawrence, USA
160
Kansas State University, Manhattan, USA
161
Lawrence Livermore National Laboratory, Livermore, USA
162
University of Maryland, College Park, USA
163
Massachusetts Institute of Technology, Cambridge, USA
164
University of Minnesota, Minneapolis, USA
165
University of Mississippi, Oxford, USA
166
University of Nebraska-Lincoln, Lincoln, USA
167
State University of New York at Buffalo, Buffalo, USA
168
Northeastern University, Boston, USA
169
Northwestern University, Evanston, USA
170
University of Notre Dame, Notre Dame, USA
171
The Ohio State University, Columbus, USA
172
Princeton University, Princeton, USA
173
University of Puerto Rico, Mayaguez, USA
174
Purdue University, West Lafayette, USA
175
Purdue University Northwest, Hammond, USA
176
Rice University, Houston, USA
177
University of Rochester, Rochester, USA
178
Rutgers, The State University of New Jersey, Piscataway, USA
179
University of Tennessee, Knoxville, USA
180
Texas A&M University, College Station, USA
181
Texas Tech University, Lubbock, USA
182
Vanderbilt University, Nashville, USA
183
University of Virginia, Charlottesville, USA
184
Wayne State University, Detroit, USA
185
University of Wisconsin-Madison, Madison, WI, USA
186
CERN, 1211, Geneva 23, Switzerland
* e-mail: cms-publication-committee-chair@cern.ch
Received:
10
March
2019
Accepted:
22
December
2019
Published online:
18
January
2020
A measurement is presented of electroweak (EW) production of a boson in association with two jets in proton–proton collisions at
. The data sample was recorded by the CMS Collaboration at the LHC and corresponds to an integrated luminosity of 35.9
. The measurement is performed for the
jj final state (with
indicating a lepton–neutrino pair, and j representing the quarks produced in the hard interaction) in a kinematic region defined by invariant mass
and transverse momenta
. The cross section of the process is measured in the electron and muon channels yielding
per channel, in agreement with leading-order standard model predictions. The additional hadronic activity of events in a signal-enriched region is studied, and the measurements are compared with predictions. The final state is also used to perform a search for anomalous trilinear gauge couplings. Limits on anomalous trilinear gauge couplings associated with dimension-six operators are given in the framework of an effective field theory. The corresponding 95% confidence level intervals are
,
, and
. These results are combined with the CMS EW
analysis, yielding the constraint on the
coupling:
.
© CERN for the benefit of the CMS collaboration, 2020