Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at √s = 13 TeV

Measurement of differential cross sections for Z bosons produced in association with charm jets in pp collisions at √s = 13 TeV

Bibliographic Details
Parent link:	Journal of High Energy Physics Vol. 2021, iss. 4.— 2021.— [109, 40 p.]
Corporate Author:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Other Authors:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Bergauer Th. Thomas, Tyurin N. E. Nikolay Evgenjevich, Babaev A. A. Anton Anatoljevich, Okhotnikov V. V. Vitaly Vladimirovich, Sukhikh L. G. Leonid Grigorievich
Summary:	Title screen Measurements are presented of differential cross sections for the production of Z bosons in association with at least one jet initiated by a charm quark in pp collisions at s√s = 13 TeV. The data recorded by the CMS experiment at the LHC correspond to an integrated luminosity of 35.9 fb−1. The final states contain a pair of electrons or muons that are the decay products of a Z boson, and a jet consistent with being initiated by a charm quark produced in the hard interaction. Differential cross sections as a function of the transverse momentum pT of the Z boson and pT of the charm jet are compared with predictions from Monte Carlo event generators. The inclusive production cross section 405.4 ± 5.6 (stat) ± 24.3 (exp) ± 3.7 (theo) pb, is measured in a fiducial region requiring both leptons to have pseudorapidity \|η\| < 2.4 and pT > 10 GeV, at least one lepton with pT > 26 GeV, and a mass of the pair in the range 71-111 GeV, while the charm jet is required to have pT > 30 GeV and \|η\| < 2.4. These are the first measurements of these cross sections in proton-proton collisions at 13 TeV. Режим доступа: по договору с организацией-держателем ресурса
Published:	2021
Subjects:	электронный ресурс труды учёных ТПУ Hadron-Hadron scattering (experiments) QCD адрон-адронное рассеяние
Online Access:	https://doi.org/10.1007/JHEP04(2021)109
Format:	Electronic Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=664620

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