Measurement of the gamma(1S) production cross-section in pp collisions at root s=7 TeV in ATLAS ATLAS Collaboration

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61989592%3A15310%2F11%3A33119143" target="_blank" >RIV/61989592:15310/11:33119143 - isvavai.cz</a>

Result on the web

<a href="http://dx.doi.org/10.1016/j.physletb.2011.09.092" target="_blank" >http://dx.doi.org/10.1016/j.physletb.2011.09.092</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.physletb.2011.09.092" target="_blank" >10.1016/j.physletb.2011.09.092</a>

Result language

angličtina

Original language name

Measurement of the gamma(1S) production cross-section in pp collisions at root s=7 TeV in ATLAS ATLAS Collaboration

Original language description

A measurement of the cross-section for gamma(1S) -} mu(+)mu(-) production in proton-proton collisions at centre of mass energy of 7 TeV is presented. The cross-section is measured as a function of the gamma(1S) transverse momentum in two bins of rapidity, vertical bar y(gamma(1S))vertical bar { 1.2 and 1.2 { vertical bar y(gamma(1S))vertical bar { 2.4. The measurement requires that both muons have transverse momentum p(T)(mu) } 4 GeV and pseuclorapidity vertical bar eta(mu)vertical bar { 2.5 in order toreduce theoretical uncertainties on the acceptance, which depend on the poorly known polarisation. The results are based on an integrated luminosity of 1.13 pb(-1), collected with the ATLAS detector at the Large Hadron Collider. The cross-section measurement is compared to theoretical predictions: it agrees to within a factor of two with a prediction based on the NRQCD model including colour-singlet and colour-octet matrix elements as implemented in PYTHIA while it disagrees by up to a

Czech name

—

Czech description

—

Type

J_x - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

CEP classification

BF - Elementary particle theory and high energy physics

OECD FORD branch

—

Project

Result was created during the realization of more than one project. More information in the Projects tab.

Continuities

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year

2011

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Physics Letters. Section B: Nuclear, Elementary Particle and High-Energy Physics

ISSN

0370-2693

e-ISSN

—

Volume of the periodical

705

Issue of the periodical within the volume

1

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

19

Pages from-to

9-27

UT code for WoS article

000296937000003

EID of the result in the Scopus database

—