Performance of reconstruction and identification of τ leptons decaying to hadrons and vτ in pp collisions at √s=13 TeV

Performance of reconstruction and identification of τ leptons decaying to hadrons and vτ in pp collisions at √s=13 TeV

Bibliografische gegevens
Parent link:	Journal of Instrumentation Vol. 13, iss. October 2018.— 2018.— [P10005, 68 p.]
Coauteurs:	Национальный исследовательский Томский политехнический университет (ТПУ) Физико-технический институт (ФТИ) Кафедра прикладной физики (№ 12) (ПФ), Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов, Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Научно-производственная лаборатория "Импульсно-пучковых, электроразрядных и плазменных технологий"
Andere auteurs:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Ambrogi F. Federico, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich, Baydali S. A. Sergey Anatolievich
Samenvatting:	Title screen The algorithm developed by the CMS Collaboration to reconstruct and identify τ leptons produced in proton-proton collisions at √s=7 and 8 TeV, via their decays to hadrons and a neutrino, has been significantly improved. The changes include a revised reconstruction of π0 candidates, and improvements in multivariate discriminants to separate τ leptons from jets and electrons. The algorithm is extended to reconstruct τ leptons in highly Lorentz-boosted pair production, and in the high-level trigger. The performance of the algorithm is studied using proton-proton collisions recorded during 2016 at √s=13 TeV, corresponding to an integrated luminosity of 35.9 fb-1. The performance is evaluated in terms of the efficiency for a genuine τ lepton to pass the identification criteria and of the probabilities for jets, electrons, and muons to be misidentified as τ leptons. The results are found to be very close to those expected from Monte Carlo simulation.
Taal:	Engels
Gepubliceerd in:	2018
Onderwerpen:	электронный ресурс труды учёных ТПУ large detector-systems performance particle identification methods performance of High Energy Physics Detectors детекторные устройства производительность идентификация детекторы высокая энергия
Online toegang:	https://doi.org/10.1088/1748-0221/13/10/P10005
Formaat:	Elektronisch Hoofdstuk
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659048

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