Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at √s = 13 TeV; Journal of High Energy Physics; Vol. 2021, iss. 5

Measurements of the differential cross sections of the production of Z + jets and γ + jets and of Z boson emission collinear with a jet in pp collisions at √s = 13 TeV; Journal of High Energy Physics; Vol. 2021, iss. 5

Bibliografische gegevens
Parent link:	Journal of High Energy Physics Vol. 2021, iss. 5.— 2021.— [285, 42 p.]
Coauteur:	Национальный исследовательский Томский политехнический университет Исследовательская школа физики высокоэнергетических процессов
Andere auteurs:	Sirunyan A. M., Tumasyan A. R., Adam W. Wolfgang, Babaev A. A. Anton Anatoljevich, Yuzhakov A. D. Aleksandr Dmitrievich, Okhotnikov V. V. Vitaly Vladimirovich, Sukhikh L. G. Leonid Grigorievich
Samenvatting:	Title screen Measurements of the differential cross sections of Z + jets and γ + jets production, and their ratio, are presented as a function of the boson transverse momentum. Measurements are also presented of the angular distribution between the Z boson and the closest jet. The analysis is based on pp collisions at a center-of-mass energy of 13 TeV corresponding to an integrated luminosity of 35.9 fb−1 recorded by the CMS experiment at the LHC. The results, corrected for detector effects, are compared with various theoretical predictions. In general, the predictions at higher orders in perturbation theory show better agreement with the measurements. This work provides the first measurement of the ratio of the differential cross sections of Z + jets and γ + jets production at 13 TeV, as well as the first direct measurement of Z bosons emitted collinearly with a jet.
Taal:	Engels
Gepubliceerd in:	2021
Onderwerpen:	электронный ресурс труды учёных ТПУ Hadron-Hadron scattering (experiments) Jet physics Particle correlations and fluctuations
Online toegang:	http://earchive.tpu.ru/handle/11683/74924 https://doi.org/10.1007/JHEP05(2021)285
Formaat:	Elektronisch Hoofdstuk
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=668618

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