Szczegóły publikacji
Opis bibliograficzny
Search for dark photons in rare Z boson decays with the ATLAS detector / G. Aad, [et al.], L. ADAMCZYK, [et al.], P. BALEK, [et al.], T. BOŁD, [et al.], K. CIEŚLA, [et al.], W. DĄBROWSKI, [et al.], M. DYNDAŁ, [et al.], A. K. GILBERT, [et al.], I. GRABOWSKA-BOŁD, [et al.], K. W. JANAS, [et al.], S. KOPERNY, [et al.], I. K. ŁAKOMIEC, [et al.], K. MAJ, [et al.], B. MINDUR, [et al.], P. A. POTĘPA, [et al.], M. PRZYBYCIEŃ, [et al.], R. SIKORA, [et al.] // Physical Review Letters ; ISSN 0031-9007 . — 2023 — vol. 131 iss. 25 art. no. 251801, s. 251801-1–251801–23. — Bibliogr. s. 251801-7–251801-9, Abstr. — Publikacja dostępna online od: 2023-12-18
Autorzy (2931)
- AGHAdamczyk Leszek
- AGHBalek Petr
- AGHBołd Tomasz
- AGHCieśla Krzysztof
- AGHDąbrowski Władysław
- AGHDyndał Mateusz
- AGHGilbert Alexander
- AGHGrabowska-Bołd Iwona
- AGHJanas Krzysztof W.
- AGHKoperny Stefan
- AGHŁakomiec Inga K.
- AGHMaj Klaudia
- AGHMindur Bartosz
- AGHPotępa Patrycja Anna
- AGHPrzybycień Mariusz
- AGHSikora Rafał
- Aad Georges
Dane bibliometryczne
| ID BaDAP | 151396 |
|---|---|
| Data dodania do BaDAP | 2024-01-12 |
| Tekst źródłowy | URL |
| DOI | 10.1103/PhysRevLett.131.251801 |
| Rok publikacji | 2023 |
| Typ publikacji | artykuł w czasopiśmie |
| Otwarty dostęp |  |
| Creative Commons | |
| Czasopismo/seria | Physical Review Letters |
Abstract
A search for events with a dark photon produced in association with a dark Higgs boson via rare decays of the standard model Z boson is presented, using 139 fb−1 of √s=13 TeV proton-proton collision data recorded by the ATLAS detector at the Large Hadron Collider. The dark boson decays into a pair of dark photons, and at least two of the three dark photons must each decay into a pair of electrons or muons, resulting in at least two same-flavor opposite-charge lepton pairs in the final state. The data are found to be consistent with the background prediction, and upper limits are set on the dark photon’s coupling to the dark Higgs boson times the kinetic mixing between the standard model photon and the dark photon, αDϵ2, in the dark photon mass range of [5, 40] GeV except for the Υ mass window [8.8, 11.1] GeV. This search explores new parameter space not previously excluded by other experiments.
