https://doi.org/10.1140/epjc/s10052-021-09014-x
Regular Article - Experimental Physics
Measurement of the Higgs boson production rate in association with top quarks in final states with electrons, muons, and hadronically decaying tau leptons at 
1
Yerevan Physics Institute, Yerevan, Armenia
2
Institut für Hochenergiephysik, Vienna, Austria
3
Institute for Nuclear Problems, Minsk, Belarus
4
Universiteit Antwerpen, Antwerp, Belgium
5
Vrije Universiteit Brussel, Brussels, Belgium
6
Université Libre de Bruxelles, Brussels, 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
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University of Sofia, Sofia, Bulgaria
14
Beihang University, Beijing, China
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Department of Physics, Tsinghua University, Beijing, China
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Institute of High Energy Physics, Beijing, China
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State Key Laboratory of Nuclear Physics and Technology, Peking University, Beijing, China
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Sun Yat-Sen University, Guangzhou, China
19
Institute of Modern Physics and Key Laboratory of Nuclear Physics and Ion-beam Application (MOE), Fudan University, Shanghai, China
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Zhejiang University, Hangzhou, China
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Universidad de Los Andes, Bogota, Colombia
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Universidad de Antioquia, Medellin, Colombia
23
University of Split, Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, Split, Croatia
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University of Split, Faculty of Science, Split, Croatia
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Institute Rudjer Boskovic, Zagreb, Croatia
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University of Cyprus, Nicosia, Cyprus
27
Charles University, Prague, Czech Republic
28
Escuela Politecnica Nacional, Quito, Ecuador
29
Universidad San Francisco de Quito, Quito, Ecuador
30
Academy of Scientific Research and Technology of the Arab Republic of Egypt, Egyptian Network of High Energy Physics, Cairo, Egypt
31
Center for High Energy Physics (CHEP-FU), Fayoum University, El-Fayoum, Egypt
32
National Institute of Chemical Physics and Biophysics, Tallinn, Estonia
33
Department of Physics, University of Helsinki, Helsinki, Finland
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Helsinki Institute of Physics, Helsinki, Finland
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Lappeenranta University of Technology, Lappeenranta, Finland
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IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
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Laboratoire Leprince-Ringuet, CNRS/IN2P3, Ecole Polytechnique, Institut Polytechnique de Paris, Palaiseau, France
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Université de Strasbourg, CNRS, IPHC UMR 7178, Strasbourg, France
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Université de Lyon, Université Claude Bernard Lyon 1, CNRS-IN2P3, Institut de Physique Nucléaire de Lyon, Villeurbanne, France
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Georgian Technical University, Tbilisi, Georgia
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RWTH Aachen University, I. Physikalisches Institut, Aachen, Germany
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RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
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RWTH Aachen University, III. Physikalisches Institut B, Aachen, Germany
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Deutsches Elektronen-Synchrotron, Hamburg, Germany
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University of Hamburg, Hamburg, Germany
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Karlsruher Institut fuer Technologie, Karlsruhe, Germany
47
Institute of Nuclear and Particle Physics (INPP), NCSR Demokritos, Aghia Paraskevi, Greece
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National and Kapodistrian University of Athens, Athens, Greece
49
National Technical University of Athens, Athens, Greece
50
University of Ioánnina, Ioánnina, Greece
51
MTA-ELTE Lendület CMS Particle and Nuclear Physics Group, Eötvös Loránd University, Budapest, Hungary
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Wigner Research Centre for Physics, Budapest, Hungary
53
Institute of Nuclear Research ATOMKI, Debrecen, Hungary
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Institute of Physics, University of Debrecen, Debrecen, Hungary
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Eszterhazy Karoly University, Karoly Robert Campus, Gyongyos, Hungary
56
Indian Institute of Science (IISc), Bangalore, India
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National Institute of Science Education and Research, HBNI, Bhubaneswar, India
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Panjab University, Chandigarh, India
59
University of Delhi, Delhi, India
60
Saha Institute of Nuclear Physics, HBNI, Kolkata, India
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Indian Institute of Technology Madras, Madras, India
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Bhabha Atomic Research Centre, Mumbai, India
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Tata Institute of Fundamental Research-A, Mumbai, India
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Tata Institute of Fundamental Research-B, Mumbai, India
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Indian Institute of Science Education and Research (IISER), Pune, India
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Department of Physics, Isfahan University of Technology, Isfahan, Iran
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Institute for Research in Fundamental Sciences (IPM), Tehran, Iran
68
University College Dublin, Dublin, Ireland
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INFN Sezione di Bari, Università di Bari, Politecnico di Bari, Bari, Italy
70
INFN Sezione di Bologna, Università di Bologna, Bologna, Italy
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INFN Sezione di Catania, Università di Catania, Catania, Italy
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INFN Sezione di Firenze, Università di Firenze, Florence, Italy
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INFN Laboratori Nazionali di Frascati, Frascati, Italy
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INFN Sezione di Genova, Università di Genova, Genoa, Italy
75
INFN Sezione di Milano-Bicocca, Università di Milano-Bicocca, Milan, Italy
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INFN Sezione di Napoli, Università di Napoli ’Federico II’, Naples, Italy, Università della Basilicata , Potenza, Italy, Università G. Marconi, Rome, Italy
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INFN Sezione di Padova, Università di Padova, Padua, Italy, Università di Trento, Trento, Italy
78
INFN Sezione di Pavia, Università di Pavia, Pavia, Italy
79
INFN Sezione di Perugia, Università di Perugia, Perugia, Italy
80
INFN Sezione di Pisa, Università di Pisa, Scuola Normale Superiore di Pisa, Pisa, Italy
81
INFN Sezione di Roma, Sapienza Università di Roma, Rome, Italy
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INFN Sezione di Torino, Università di Torino, Turin, Italy, Università del Piemonte Orientale, Novara, Italy
83
INFN Sezione di Trieste, Università di Trieste, Trieste, Italy
84
Kyungpook National University, Daegu, Korea
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Chonnam National University, Institute for Universe and Elementary Particles, Kwangju, Korea
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Hanyang University, Seoul, Korea
87
Korea University, Seoul, Korea
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Department of Physics, Kyung Hee University, Seoul, Republic of Korea
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Sejong University, Seoul, Korea
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Seoul National University, Seoul, Korea
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University of Seoul, Seoul, Korea
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Yonsei University, Department of Physics, Seoul, Korea
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Sungkyunkwan University, Suwon, Korea
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Riga Technical University, Riga, Latvia
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Vilnius University, Vilnius, Lithuania
96
National Centre for Particle Physics, Universiti Malaya, Kuala Lumpur, Malaysia
97
Universidad de Sonora (UNISON), Hermosillo, Mexico
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Centro de Investigacion y de Estudios Avanzados del IPN, Mexico City, Mexico
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Universidad Iberoamericana, Mexico City, Mexico
100
Benemerita Universidad Autonoma de Puebla, Puebla, Mexico
101
Universidad Autónoma de San Luis Potosí, San Luis Potosí, Mexico
102
University of Montenegro, Podgorica, Montenegro
103
University of Auckland, Auckland, New Zealand
104
University of Canterbury, Christchurch, New Zealand
105
National Centre for Physics, Quaid-I-Azam University, Islamabad, Pakistan
106
AGH University of Science and Technology, Faculty of Computer Science, Electronics and Telecommunications, Krakow, Poland
107
National Centre for Nuclear Research, Swierk, Poland
108
Institute of Experimental Physics, Faculty of Physics, University of Warsaw, Warsaw, Poland
109
Laboratório de Instrumentação e Física Experimental de Partículas, Lisbon, Portugal
110
Joint Institute for Nuclear Research, Dubna, Russia
111
Petersburg Nuclear Physics Institute, Gatchina (St. Petersburg), Russia
112
Institute for Nuclear Research, Moscow, Russia
113
Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC ‘Kurchatov Institute’, Moscow, Russia
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Moscow Institute of Physics and Technology, Moscow, Russia
115
National Research Nuclear University ’Moscow Engineering Physics Institute’ (MEPhI), Moscow, Russia
116
P.N. Lebedev Physical Institute, Moscow, Russia
117
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia
118
Novosibirsk State University (NSU), Novosibirsk, Russia
119
Institute for High Energy Physics of National Research Centre ‘Kurchatov Institute’, Protvino, Russia
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National Research Tomsk Polytechnic University, Tomsk, Russia
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Tomsk State University, Tomsk, Russia
122
University of Belgrade, Faculty of Physics and VINCA Institute of Nuclear Sciences, Belgrade, Serbia
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Centro de Investigaciones Energéticas Medioambientales y Tecnológicas (CIEMAT), Madrid, Spain
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Universidad Autónoma de Madrid, Madrid, Spain
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Universidad de Oviedo, Instituto Universitario de Ciencias y Tecnologías Espaciales de Asturias (ICTEA), Oviedo, Spain
126
Instituto de Física de Cantabria (IFCA), CSIC-Universidad de Cantabria, Santander, Spain
127
University of Colombo, Colombo, Sri Lanka
128
Department of Physics, University of Ruhuna, Matara, Sri Lanka
129
CERN, European Organization for Nuclear Research, Geneva, Switzerland
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Paul Scherrer Institut, Villigen, Switzerland
131
ETH Zurich-Institute for Particle Physics and Astrophysics (IPA), Zurich, Switzerland
132
Universität Zürich, Zurich, Switzerland
133
National Central University, Chung-Li, Taiwan
134
National Taiwan University (NTU), Taipei, Taiwan
135
Department of Physics, Faculty of Science, Chulalongkorn University, Bangkok, Thailand
136
Physics Department, Science and Art Faculty, Çukurova University, Adana, Turkey
137
Physics Department, Middle East Technical University, Ankara, Turkey
138
Bogazici University, Istanbul, Turkey
139
Istanbul Technical University, Istanbul, Turkey
140
Istanbul University, Istanbul, Turkey
141
Institute for Scintillation Materials of National Academy of Science of Ukraine, Kharkov, Ukraine
142
National Scientific Center, Kharkov Institute of Physics and Technology, Kharkov, Ukraine
143
University of Bristol, Bristol, UK
144
Rutherford Appleton Laboratory, Didcot, UK
145
Imperial College, London, UK
146
Brunel University, Uxbridge, UK
147
Baylor University, Waco, USA
148
Catholic University of America, Washington, DC, USA
149
The University of Alabama, Tuscaloosa, USA
150
Boston University, Boston, USA
151
Brown University, Providence, USA
152
University of California, Davis, Davis, USA
153
University of California, Los Angeles, USA
154
University of California, Riverside, Riverside, USA
155
University of California, San Diego, La Jolla, USA
156
Department of Physics, University of California, Santa Barbara, Santa Barbara, USA
157
California Institute of Technology, Pasadena, USA
158
Carnegie Mellon University, Pittsburgh, USA
159
University of Colorado, Boulder, Boulder, USA
160
Cornell University, Ithaca, USA
161
Fermi National Accelerator Laboratory, Batavia, USA
162
University of Florida, Gainesville, USA
163
Florida State University, Tallahassee, USA
164
Florida Institute of Technology, Melbourne, USA
165
University of Illinois at Chicago (UIC), Chicago, USA
166
The University of Iowa, Iowa City, USA
167
Johns Hopkins University, Baltimore, USA
168
The University of Kansas, Lawrence, USA
169
Kansas State University, Manhattan, USA
170
Lawrence Livermore National Laboratory, Livermore, USA
171
University of Maryland, College Park, USA
172
Massachusetts Institute of Technology, Cambridge, USA
173
University of Minnesota, Minneapolis, USA
174
University of Mississippi, Oxford, USA
175
University of Nebraska-Lincoln, Lincoln, USA
176
State University of New York at Buffalo, Buffalo, USA
177
Northeastern University, Boston, USA
178
Northwestern University, Evanston, USA
179
University of Notre Dame, Notre Dame, USA
180
The Ohio State University, Columbus, USA
181
Princeton University, Princeton, USA
182
University of Puerto Rico, Mayaguez, USA
183
Purdue University, West Lafayette, USA
184
Purdue University Northwest, Hammond, USA
185
Rice University, Houston, USA
186
University of Rochester, Rochester, USA
187
Rutgers, The State University of New Jersey, Piscataway, USA
188
University of Tennessee, Knoxville, USA
189
Texas A&M University, College Station, USA
190
Texas Tech University, Lubbock, USA
191
Vanderbilt University, Nashville, USA
192
University of Virginia, Charlottesville, USA
193
Wayne State University, Detroit, USA
194
University of Wisconsin-Madison, Madison, WI, USA
195
Vienna University of Technology, Vienna, Austria
196
Institute of Basic and Applied Sciences, Faculty of Engineering, Arab Academy for Science, Technology and Maritime Transport, Alexandria, Egypt, Alexandria, Egypt
197
Université Libre de Bruxelles, Brussels, Belgium
198
IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
199
Universidade Estadual de Campinas, Campinas, Brazil
200
Federal University of Rio Grande do Sul, Porto Alegre, Brazil
201
UFMS, Nova Andradina, Brazil
202
Universidade Federal de Pelotas, Pelotas, Brazil
203
Nanjing Normal University Department of Physics, Nanjing, China
204
The University of Iowa, Iowa City, USA
205
University of Chinese Academy of Sciences, Beijing, China
206
Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of NRC ‘Kurchatov Institute’, Moscow, Russia
207
Joint Institute for Nuclear Research, Dubna, Russia
208
Cairo University, Cairo, Egypt
209
Suez University, Suez, Egypt
210
British University in Egypt, Cairo, Egypt
211
Zewail City of Science and Technology, Zewail, Egypt
212
Fayoum University, El-Fayoum, Egypt
213
Purdue University, West Lafayette, USA
214
Université de Haute Alsace, Mulhouse, France
215
Erzincan Binali Yildirim University, Erzincan, Turkey
216
CERN, European Organization for Nuclear Research, Geneva, Switzerland
217
RWTH Aachen University, III. Physikalisches Institut A, Aachen, Germany
218
University of Hamburg, Hamburg, Germany
219
Department of Physics, Isfahan University of Technology, Isfahan, Iran
220
Brandenburg University of Technology, Cottbus, Germany
221
Skobeltsyn Institute of Nuclear Physics, Lomonosov Moscow State University, Moscow, Russia
222
Institute of Physics, University of Debrecen, Debrecen, Hungary
223
Physics Department, Faculty of Science, Assiut University, Assiut, Egypt
224
Eszterhazy Karoly UniversityKaroly Robert Campus, Gyongyos, Hungary
225
Institute of Nuclear Research ATOMKI, Debrecen, Hungary
226
Wigner Research Centre for Physics, Budapest, Hungary
227
IIT Bhubaneswar, Bhubaneswar, India
228
Institute of Physics, Bhubaneswar, India
229
G.H.G. Khalsa College, Punjab, India
230
Shoolini University, Solan, India
231
University of Hyderabad, Hyderabad, India
232
University of Visva-Bharati, Santiniketan, India
233
Indian Institute of Technology (IIT), Mumbai, India
234
Tata Institute of Fundamental Research-B, Mumbai, India
235
Deutsches Elektronen-Synchrotron, Hamburg, Germany
236
Sharif University of Technology, Tehran, Iran
237
Department of Physics, University of Science and Technology of Mazandaran, Behshahr, Iran
238
INFN Sezione di Bari, Università di Bari, Politecnico di Bari, Bari, Italy
239
Italian National Agency for New Technologies, Energy and Sustainable Economic Development, Bologna, Italy
240
Centro Siciliano di Fisica Nucleare e di Struttura Della Materia, Catania, Italy
241
Università di Napoli ’Federico II’, Naples, Italy
242
Riga Technical University, Riga, Latvia
243
Consejo Nacional de Ciencia y Tecnología, Mexico City, Mexico
244
Institute for Nuclear Research, Moscow, Russia
245
National Research Nuclear University ’Moscow Engineering Physics Institute’ (MEPhI), Moscow, Russia
246
Institute of Nuclear Physics of the Uzbekistan Academy of Sciences, Tashkent, Uzbekistan
247
St. Petersburg State Polytechnical University, St. Petersburg, Russia
248
University of Florida, Gainesville, USA
249
Imperial College, London, UK
250
Moscow Institute of Physics and Technology, Moscow, Russia
251
California Institute of Technology, Pasadena, USA
252
Budker Institute of Nuclear Physics, Novosibirsk, Russia
253
Faculty of Physics, University of Belgrade, Belgrade, Serbia
254
Trincomalee Campus, Eastern University, Nilaveli, Sri Lanka
255
INFN Sezione di Pavia, Università di Pavia, Pavia, Italy
256
National and Kapodistrian University of Athens, Athens, Greece
257
Universität Zürich, Zurich, Switzerland
258
Ecole Polytechnique Fédérale Lausanne, Lausanne, Switzerland
259
Stefan Meyer Institute for Subatomic Physics, Vienna, Austria
260
Laboratoire d’Annecy-le-Vieux de Physique des Particules, IN2P3-CNRS, Annecy-le-Vieux, France
261
Şırnak University, Sirnak, Turkey
262
Department of Physics, Tsinghua University, Beijing, China
263
Near East University, Research Center of Experimental Health Science, Nicosia, Turkey
264
Beykent University, Istanbul, Turkey
265
Istanbul Aydin University, Application and Research Center for Advanced Studies (App. & Res. Cent. for Advanced Studies), Istanbul, Turkey
266
Mersin University, Mersin, Turkey
267
Piri Reis University, Istanbul, Turkey
268
Adiyaman University, Adiyaman, Turkey
269
Ozyegin University, Istanbul, Turkey
270
Izmir Institute of Technology, Izmir, Turkey
271
Necmettin Erbakan University, Konya, Turkey
272
Bozok Universitetesi Rektörlügü, Yozgat, Turkey, Yozgat, Turkey
273
Marmara University, Istanbul, Turkey
274
Milli Savunma University, Istanbul, Turkey
275
Kafkas University, Kars, Turkey
276
Istanbul Bilgi University, Istanbul, Turkey
277
Hacettepe University, Ankara, Turkey
278
Vrije Universiteit Brussel, Brussels, Belgium
279
School of Physics and Astronomy, University of Southampton, Southampton, UK
280
IPPP Durham University, Durham, UK
281
Monash University, Faculty of Science, Clayton, Australia
282
Bethel University, St. Paul, Minneapolis, USA
283
Karamanoğlu Mehmetbey University, Karaman, Turkey
284
Ain Shams University, Cairo, Egypt
285
Bingol University, Bingol, Turkey
286
Georgian Technical University, Tbilisi, Georgia
287
Sinop University, Sinop, Turkey
288
Mimar Sinan University, Istanbul, Istanbul, Turkey
289
Texas A&M University at Qatar, Doha, Qatar
290
Kyungpook National University, Daegu, Korea
291
CERN, 1211, Geneva 23, Switzerland
m
cms-publication-committee-chair@cern.ch
Received:
6
November
2020
Accepted:
1
March
2021
Published online:
30
April
2021
The rate for Higgs (
) bosons production in association with either one (
) or two (
) top quarks is measured in final states containing multiple electrons, muons, or tau leptons decaying to hadrons and a neutrino, using proton–proton collisions recorded at a center-of-mass energy of 
by the CMS experiment. The analyzed data correspond to an integrated luminosity of 137
. The analysis is aimed at events that contain 
, 
, or 
decays and each of the top quark(s) decays either to lepton+jets or all-jet channels. Sensitivity to signal is maximized by including ten signatures in the analysis, depending on the lepton multiplicity. The separation among , , and the backgrounds is enhanced through machine-learning techniques and matrix-element methods. The measured production rates for the and signals correspond to 
and 
of their respective standard model (SM) expectations. The corresponding observed (expected) significance amounts to 4.7 (5.2) standard deviations for , and to 1.4 (0.3) for production. Assuming that the Higgs boson coupling to the tau lepton is equal in strength to its expectation in the SM, the coupling 
of the Higgs boson to the top quark divided by its SM expectation, 
, is constrained to be within 
or 
, at 95% confidence level. This result is the most sensitive measurement of the production rate to date.
© CERN for the benefit of the CMS collaboration 2021. corrected publication 2021
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