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Inclusive cross section and single transverse spin asymmetry for very forward neutron production in polarized p plus p collisions at root s=200 GeV

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F00216208%3A11320%2F13%3A10139284" target="_blank" >RIV/00216208:11320/13:10139284 - isvavai.cz</a>

  • Alternative codes found

    RIV/68407700:21340/13:00207880 RIV/68378271:_____/13:00436924

  • Result on the web

    <a href="http://dx.doi.org/10.1103/PhysRevD.88.032006" target="_blank" >http://dx.doi.org/10.1103/PhysRevD.88.032006</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1103/PhysRevD.88.032006" target="_blank" >10.1103/PhysRevD.88.032006</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Inclusive cross section and single transverse spin asymmetry for very forward neutron production in polarized p plus p collisions at root s=200 GeV

  • Original language description

    The energy dependence of the single-transverse-spin asymmetry, A(N), and the cross section for neutron production at very forward angles were measured in the PHENIX experiment at the Relativistic Heavy Ion Collider for polarized p + p collisions at roots = 200 GeV. The neutrons were observed in forward detectors covering an angular range of up to 2.2 mrad. We report results for neutrons with a momentum fraction of x(F) = 0.45 to 1.0. The energy dependence of the measured cross sections were consistentwith x(F) scaling, compared to measurements by an experiment at the Intersecting Storage Ring, which measured neutron production in unpolarized p + p collisions at root s = 30.6-62.7 GeV. The cross sections for large x(F) neutron production for p + p collisions, as well as those in e + p collisions measured at the Hadron-Electron Ring Accelerator, are described by a pion exchange mechanism. The observed forward neutron asymmetries were large, reaching A(N) = -0.08 +/- 0.02 for x(F) = 0.8

  • 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

    <a href="/en/project/LA08015" target="_blank" >LA08015: Collaboration of the Czech Republic with CERN</a><br>

  • Continuities

    P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)<br>I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2013

  • Confidentiality

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

Data specific for result type

  • Name of the periodical

    Physical Review D - Particles, Fields, Gravitation and Cosmology

  • ISSN

    1550-7998

  • e-ISSN

  • Volume of the periodical

    88

  • Issue of the periodical within the volume

    3

  • Country of publishing house

    US - UNITED STATES

  • Number of pages

    17

  • Pages from-to

  • UT code for WoS article

    000322916300002

  • EID of the result in the Scopus database