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Observation of WWγ Production and Search for Hγ Production in Proton-Proton Collisions at sqrt[s]=13 TeV.
Hayrapetyan, A; Tumasyan, A; Adam, W; Andrejkovic, J W; Bergauer, T; Chatterjee, S; Damanakis, K; Dragicevic, M; Escalante Del Valle, A; Hussain, P S; Jeitler, M; Krammer, N; Liko, D; Mikulec, I; Schieck, J; Schöfbeck, R; Schwarz, D; Sonawane, M; Templ, S; Waltenberger, W; Wulz, C-E; Darwish, M R; Janssen, T; Van Mechelen, P; Bols, E S; D'Hondt, J; Dansana, S; De Moor, A; Delcourt, M; El Faham, H; Lowette, S; Makarenko, I; Müller, D; Sahasransu, A R; Tavernier, S; Tytgat, M; Van Putte, S; Vannerom, D; Clerbaux, B; De Lentdecker, G; Favart, L; Hohov, D; Jaramillo, J; Khalilzadeh, A; Lee, K; Mahdavikhorrami, M; Malara, A; Paredes, S; Pétré, L; Postiau, N.
Afiliación
  • Hayrapetyan A; Yerevan Physics Institute, Yerevan, Armenia.
  • Tumasyan A; Yerevan Physics Institute, Yerevan, Armenia.
  • Adam W; Institut für Hochenergiephysik, Vienna, Austria.
  • Andrejkovic JW; Institut für Hochenergiephysik, Vienna, Austria.
  • Bergauer T; Institut für Hochenergiephysik, Vienna, Austria.
  • Chatterjee S; Institut für Hochenergiephysik, Vienna, Austria.
  • Damanakis K; Institut für Hochenergiephysik, Vienna, Austria.
  • Dragicevic M; Institut für Hochenergiephysik, Vienna, Austria.
  • Escalante Del Valle A; Institut für Hochenergiephysik, Vienna, Austria.
  • Hussain PS; Institut für Hochenergiephysik, Vienna, Austria.
  • Jeitler M; Institut für Hochenergiephysik, Vienna, Austria.
  • Krammer N; Institut für Hochenergiephysik, Vienna, Austria.
  • Liko D; Institut für Hochenergiephysik, Vienna, Austria.
  • Mikulec I; Institut für Hochenergiephysik, Vienna, Austria.
  • Schieck J; Institut für Hochenergiephysik, Vienna, Austria.
  • Schöfbeck R; Institut für Hochenergiephysik, Vienna, Austria.
  • Schwarz D; Institut für Hochenergiephysik, Vienna, Austria.
  • Sonawane M; Institut für Hochenergiephysik, Vienna, Austria.
  • Templ S; Institut für Hochenergiephysik, Vienna, Austria.
  • Waltenberger W; Institut für Hochenergiephysik, Vienna, Austria.
  • Wulz CE; Institut für Hochenergiephysik, Vienna, Austria.
  • Darwish MR; Universiteit Antwerpen, Antwerpen, Belgium.
  • Janssen T; Universiteit Antwerpen, Antwerpen, Belgium.
  • Van Mechelen P; Universiteit Antwerpen, Antwerpen, Belgium.
  • Bols ES; Vrije Universiteit Brussel, Brussel, Belgium.
  • D'Hondt J; Vrije Universiteit Brussel, Brussel, Belgium.
  • Dansana S; Vrije Universiteit Brussel, Brussel, Belgium.
  • De Moor A; Vrije Universiteit Brussel, Brussel, Belgium.
  • Delcourt M; Vrije Universiteit Brussel, Brussel, Belgium.
  • El Faham H; Vrije Universiteit Brussel, Brussel, Belgium.
  • Lowette S; Vrije Universiteit Brussel, Brussel, Belgium.
  • Makarenko I; Vrije Universiteit Brussel, Brussel, Belgium.
  • Müller D; Vrije Universiteit Brussel, Brussel, Belgium.
  • Sahasransu AR; Vrije Universiteit Brussel, Brussel, Belgium.
  • Tavernier S; Vrije Universiteit Brussel, Brussel, Belgium.
  • Tytgat M; Vrije Universiteit Brussel, Brussel, Belgium.
  • Van Putte S; Vrije Universiteit Brussel, Brussel, Belgium.
  • Vannerom D; Vrije Universiteit Brussel, Brussel, Belgium.
  • Clerbaux B; Université Libre de Bruxelles, Bruxelles, Belgium.
  • De Lentdecker G; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Favart L; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Hohov D; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Jaramillo J; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Khalilzadeh A; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Lee K; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Mahdavikhorrami M; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Malara A; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Paredes S; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Pétré L; Université Libre de Bruxelles, Bruxelles, Belgium.
  • Postiau N; Université Libre de Bruxelles, Bruxelles, Belgium.
Phys Rev Lett ; 132(12): 121901, 2024 Mar 22.
Article en En | MEDLINE | ID: mdl-38579207
ABSTRACT
The observation of WWγ production in proton-proton collisions at a center-of-mass energy of 13 TeV with an integrated luminosity of 138 fb^{-1} is presented. The observed (expected) significance is 5.6 (5.1) standard deviations. Events are selected by requiring exactly two leptons (one electron and one muon) of opposite charge, moderate missing transverse momentum, and a photon. The measured fiducial cross section for WWγ is 5.9±0.8(stat)±0.8(syst)±0.7(modeling) fb, in agreement with the next-to-leading order quantum chromodynamics prediction. The analysis is extended with a search for the associated production of the Higgs boson and a photon, which is generated by a coupling of the Higgs boson to light quarks. The result is used to constrain the Higgs boson couplings to light quarks.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2024 Tipo del documento: Article País de afiliación: Armenia
Texto completo
Añadir a Mi BVS
Imprimir
XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: Phys Rev Lett Año: 2024 Tipo del documento: Article País de afiliación: Armenia