Szczegóły publikacji
Opis bibliograficzny
Observation of $WW\gamma$ production and search for $H\gamma$ production in proton-proton collisions at $\sqrt{s}$=13 TeV / A. Hayrapetyan, [et al.], V. AVATI, L. GRZANKA, M. MALAWSKI, [et al.] // Physical Review Letters ; ISSN 0031-9007. — 2024 — vol. 132 iss. 12 art. no. 121901, s. 121901-1–121901-20. — Bibliogr. s. 121901-5–121901-7, Abstr. — Publikacja dostępna online od: 2024-03-19
Autorzy (2367)
- AGHAvati Valentina
- AGHGrzanka Leszek
- AGHMalawski Maciej
- Hayrapetyan Aram
Dane bibliometryczne
| ID BaDAP | 153367 |
|---|---|
| Data dodania do BaDAP | 2024-07-22 |
| Tekst źródłowy | URL |
| DOI | 10.1103/PhysRevLett.132.121901 |
| Rok publikacji | 2024 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp | |
| Creative Commons | |
| Czasopismo/seria | Physical Review Letters |
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 0.8ðstatÞ 0.8ðsystÞ 0.7ðmodelingÞ 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.