Precise measurement of the top quark mass in dilepton decays using optimized neutrino weighting

0464527 - FZÚ 2017 RIV NL eng J - Článek v odborném periodiku
Abazov, V. M. - Abbott, B. - Acharya, B.S. - Kupčo, Alexander - Lokajíček, Miloš … celkem 367 autorů
Precise measurement of the top quark mass in dilepton decays using optimized neutrino weighting.
Physics Letters. B. Roč. 752, Jan (2016), 18-26. ISSN 0370-2693. E-ISSN 1873-2445
Grant CEP: GA MŠMT(CZ) LG15047; GA MŠMT LM2015068
Institucionální podpora: RVO:68378271
Klíčová slova: Batavia TEVATRON Coll * DZERO * statistical * anti-p p * colliding beams * data analysis method * experimental results * 1960 GeV-cms
Kód oboru RIV: BF - Elementární částice a fyzika vys. energií
Impakt faktor: 4.807, rok: 2016

We measure the top quark mass in dilepton final states of tt¯ events in pp¯ collisions at s=1.96 TeV , using data corresponding to an integrated luminosity of 9.7 fb−1 at the Fermilab Tevatron Collider. The analysis features a comprehensive optimization of the neutrino weighting method to minimize the statistical uncertainties. We also improve the calibration of jet energies using the calibration determined in tt¯→lepton+jets events, which reduces the otherwise limiting systematic uncertainty from the jet energy scale. The measured top quark mass is mt=173.32±1.36(stat)±0.85(syst) GeV .
Trvalý link: http://hdl.handle.net/11104/0263404