Measurement of the inclusive isolated-photon cross section in pp collisions at √s = 13 TeV using 36 fb−1 of ATLAS data

The ATLAS collaboration, Алексей Рафаилович Бузыкаев, Сергей Владимирович Пелеганчук

Результат исследования: Научные публикации в периодических изданияхстатья

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Аннотация

The differential cross section for isolated-photon production in pp collisions is measured at a centre-of-mass energy of 13 TeV with the ATLAS detector at the LHC using an integrated luminosity of 36.1 fb−1. The differential cross section is presented as a function of the photon transverse energy in different regions of photon pseudorapidity. The differential cross section as a function of the absolute value of the photon pseudorapidity is also presented in different regions of photon transverse energy. Next-to-leading-order QCD calculations from Jetphox and Sherpa as well as next-to-next-to-leading-order QCD calculations from Nnlojet are compared with the measurement, using several parameterisations of the proton parton distribution functions. The predictions provide a good description of the data within the experimental and theoretical uncertainties. [Figure not available: see fulltext.]

Язык оригиналаанглийский
Номер статьи203
Число страниц51
ЖурналJournal of High Energy Physics
Том2019
Номер выпуска10
DOI
СостояниеОпубликовано - 1 окт 2019

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