Szczegóły publikacji
Opis bibliograficzny
Measurement of $W^{\pm}\gamma$ differential cross sections in proton-proton collisions at $\sqrt{s}$=13 TeV and effective field theory constraints / A. Tumasyan, [et al.], V. AVATI, L. GRZANKA, M. MALAWSKI, [et al.] // Physical Review. D ; ISSN 2470-0010. — Tytuł poprz.: Physical Review D. Particles, fields, gravitation, and cosmology ; ISSN: 1550-7998. — 2022 — vol. 105 iss. 5 art. no. 052003, s. 052003-1–052003-34. — Bibliogr. s. 052003-20–052003-22. — Publikacja dostępna online od: 2022-03-09
Autorzy (2359)
- AGHAvati Valentina
- AGHGrzanka Leszek
- AGHMalawski Maciej
- Tumasyan Armen
Dane bibliometryczne
| ID BaDAP | 139824 |
|---|---|
| Data dodania do BaDAP | 2022-05-04 |
| Tekst źródłowy | URL |
| DOI | 10.1103/PhysRevD.105.052003 |
| Rok publikacji | 2022 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | Physical Review, D |
Abstract
Differential cross section measurements of W±γ production in proton-proton collisions at s=13 TeV are presented. The data set used in this study was collected with the CMS detector at the CERN LHC in 2016–2018 with an integrated luminosity of 138 fb-1. Candidate events containing an electron or muon, a photon, and missing transverse momentum are selected. The measurements are compared with standard model predictions computed at next-to-leading and next-to-next-to-leading orders in perturbative quantum chromodynamics. Constraints on the presence of TeV-scale new physics affecting the WWγ vertex are determined within an effective field theory framework, focusing on the O3W operator. A simultaneous measurement of the photon transverse momentum and the azimuthal angle of the charged lepton in a special reference frame is performed. This two-dimensional approach provides up to a factor of ten more sensitivity to the interference between the standard model and the O3W contribution than using the transverse momentum alone.
