Search for diboson resonances in hadronic final states in 139 fb.sup.−1./sup. of pp collisions at √s = 13 TeV with the ATLAS detector

0522283 - FZÚ 2020 RIV US eng J - Článek v odborném periodiku
Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jačka, Petr - Jakoubek, Tomáš - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … celkem 2926 autorů
Search for diboson resonances in hadronic final states in 139 fb⁻¹ of pp collisions at √s = 13 TeV with the ATLAS detector.
Journal of High Energy Physics. Roč. 2019, č. 9 (2019), s. 1-43, č. článku 91. ISSN 1029-8479. E-ISSN 1029-8479
Výzkumná infrastruktura: CERN-CZ - 90058
Institucionální podpora: RVO:68378271
Klíčová slova: ATLAS * CERN LHC Coll * new physics * background * structure * experimental results * 13000 GeV-cms
Obor OECD: Particles and field physics
Impakt faktor: 5.875, rok: 2019
Způsob publikování: Open access

Narrow resonances decaying into W W, W Z or ZZ boson pairs are searched for in 139 fb^{−}^{1} of proton-proton collision data at a centre-of-mass energy of √s = 13 TeV recorded with the ATLAS detector at the Large Hadron Collider from 2015 to 2018. The diboson system is reconstructed using pairs of high transverse momentum, large-radius jets. These jets are built from a combination of calorimeter- and tracker-inputs compatible with the hadronic decay of a boosted W or Z boson, using jet mass and substructure properties. The search is performed for diboson resonances with masses greater than 1.3 TeV. No significant deviations from the background expectations are observed. Exclusion limits at the 95% confidence level are set on the production cross-section times branching ratio into dibosons for resonances in a range of theories beyond the Standard Model, with the highest excluded mass of a new gauge boson at 3.8 TeV in the context of mass-degenerate resonances that couple predominantly to gauge bosons.

Trvalý link: http://hdl.handle.net/11104/0306799