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

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F11%3A10104364" target="_blank" >RIV/00216208:11320/11:10104364 - isvavai.cz</a>

  • Result on the web

    <a href="http://www.sciencedirect.com/science/article/pii/S0370269311011920" target="_blank" >http://www.sciencedirect.com/science/article/pii/S0370269311011920</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>

Alternative languages

  • Result language

    angličtina

  • Original language name

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

  • Original language description

    A measurement of the cross-section for Y(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 Y(1S) transverse momentum in two bins of rapidity. The measurement requires that both muons have transverse momentum p_T(mu) great then 4 GeV and pseudorapidity less then 2.5 to reduce 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 at CERN. The cross-section measurement is compared to theoretical predictions: it agrees to within a factor of two with a prediction based on the NRQCD modelincluding colour-singlet and colour-octet matrix elements as implemented in PYTHIA while it disagrees by up to a factor of ten with the next-to-leading order prediction based on the colour-singlet model.

  • Czech name

  • Czech description

Classification

  • Type

    J<sub>x</sub> - Unclassified - Peer-reviewed scientific article (Jimp, Jsc and Jost)

  • CEP classification

    BF - Elementary particle theory and high energy physics

  • OECD FORD branch

Result continuities

  • 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)<br>Z - Vyzkumny zamer (s odkazem do CEZ)

Others

  • Publication year

    2011

  • Confidentiality

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

Data specific for result type

  • 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