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    Measurement of the Inelastic Proton-Proton Cross Section at √s = 13 TeV with the ATLAS Detector at the LHC

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    Issue Date
    2016-10-26
    Author
    Aaboud, M.
    Royon, Christophe
    ATLAS Collaboration
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Rights
    © 2016 CERN, for the ATLAS Collaboration
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    Abstract
    This Letter presents a measurement of the inelastic proton-proton cross section using 60  μb−1 of pp collisions at a center-of-mass energy √s of 13 TeV with the ATLAS detector at the LHC. Inelastic interactions are selected using rings of plastic scintillators in the forward region (2.07<|η|<3.86) of the detector. A cross section of 68.1±1.4  mb is measured in the fiducial region ξ=M2X/s>10−6, where MX is the larger invariant mass of the two hadronic systems separated by the largest rapidity gap in the event. In this ξ range the scintillators are highly efficient. For diffractive events this corresponds to cases where at least one proton dissociates to a system with MX>13 GeV. The measured cross section is compared with a range of theoretical predictions. When extrapolated to the full phase space, a cross section of 78.1±2.9  mb is measured, consistent with the inelastic cross section increasing with center of-mass energy.
    URI
    http://hdl.handle.net/1808/31653
    DOI
    https://doi.org/10.1103/PhysRevLett.117.182002
    Collections
    • Physics & Astronomy Scholarly Works [1744]
    Citation
    M. Aaboud et al. (ATLAS Collaboration), "Measurement of the Inelastic Proton-Proton Cross Section at √s = 13 TeV with the ATLAS Detector at the LHC", Phys. Rev. Lett. 117, 182002 – Published 26 October 2016

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    Contact KU ScholarWorks
    785-864-8983
    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    785-864-8983

    KU Libraries
    1425 Jayhawk Blvd
    Lawrence, KS 66045
    Image Credits
     

     

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