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Measurement of the jet mass distribution and top quark mass in hadronic decays of boosted top quarks in pp collisions at √s = 13 TeV
dc.contributor | CMS Collaboration | |
dc.creator | Sirunyan, A. M. | |
dc.creator | Tumasyan, A. | |
dc.creator | Adam, W. | |
dc.creator | Ambrogi, F. | |
dc.creator | Bergauer, T. | |
dc.creator | Adžić, Petar | |
dc.creator | Ćirković, Predrag | |
dc.creator | Đorđević, Miloš | |
dc.creator | Milenović, Predrag | |
dc.creator | Milošević, Jovan | |
dc.creator | Stojanović, Milan | |
dc.date.accessioned | 2021-03-29T11:51:32Z | |
dc.date.available | 2021-03-29T11:51:32Z | |
dc.date.issued | 2020 | |
dc.identifier.issn | 0031-9007 | |
dc.identifier.uri | https://vinar.vin.bg.ac.rs/handle/123456789/9025 | |
dc.description.abstract | A measurement is reported of the jet mass distribution in hadronic decays of boosted top quarks produced in pp collisions at √s = 13 TeV. The data were collected with the CMS detector at the LHC and correspond to an integrated luminosity of 35.9 fb−1. The measurement is performed in the lepton þ jets channel of tt events, where the lepton is an electron or muon. The products of the hadronic top quark decay t → bW → bqq¯0 are reconstructed as a single jet with transverse momentum larger than 400 GeV. The t¯t cross section as a function of the jet mass is unfolded at the particle level and used to extract a value of the top quark mass of 172.6 ± 2.5 GeV. A novel jet reconstruction technique is used for the first time at the LHC, which improves the precision by a factor of 3 relative to an earlier measurement. This highlights the potential of measurements using boosted top quarks, where the new technique will enable future precision measurements. | en |
dc.language.iso | en | |
dc.rights | openAccess | |
dc.rights.uri | https://creativecommons.org/licenses/by/4.0/ | |
dc.source | Physical Review Letters | |
dc.title | Measurement of the jet mass distribution and top quark mass in hadronic decays of boosted top quarks in pp collisions at √s = 13 TeV | en |
dc.type | article | en |
dc.rights.license | BY | |
dcterms.abstract | Aджић, Петар; Ћирковић, Предраг; Ђорђевић, Милош; Миленовић, Предраг; Милошевић, Јован; Стојановић, Милан; Aдам, W.; Бергауер, Т.; Сирунyан, A. М.; Aмброги, Ф.; Тумасyан, A.; | |
dc.rights.holder | © 2020 CERN. for the benefit of the CMS Collaboration | |
dc.citation.volume | 124 | |
dc.citation.spage | 202001 | |
dc.identifier.wos | 000534428700003 | |
dc.identifier.doi | 10.1103/PhysRevLett.124.202001 | |
dc.citation.rank | aM21 | |
dc.identifier.pmid | 32501048 | |
dc.description.other | CMS Collaboration (ukupan broj autora: 2319) | |
dc.type.version | publishedVersion | |
dc.identifier.scopus | 2-s2.0-85086052956 | |
dc.identifier.fulltext | https://vinar.vin.bg.ac.rs/bitstream/id/22670/PhysRevLett.124.202001.pdf |
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