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    Two-photon production of charged pion and kaon pairs

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    Baringer_9-1-1994.pdf (679.7Kb)
    Issue Date
    1994-09-01
    Author
    Baringer, Philip S.
    Publisher
    American Physical Society
    Type
    Article
    Article Version
    Scholarly/refereed, publisher version
    Metadata
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    Abstract
    A measurement of the cross section for the combined two-photon production of charged pion and kaon pairs is performed using 1.2 fb(-1) of data collected by the CLEO II detector at the Cornell Electron Storage Ring. The cross section is measured at invariant masses of the two-photon system between 1.5 and 5.0 GeV/c(2), and at scattering angles more than 53° away from the γγ collision axis in the γγ center-of-mass frame. The large background of leptonic events is suppressed by utilizing the CsI calorimeter in conjunction with the muon chamber system. The reported cross section is compared with leading order QCD models as well as previous experiments. Although the functional dependence of the measured cross section disagrees with leading order QCD at small values of the two-photon invaraint mass, the data show qualitatively a transition to perturbative behavior at an invariant mass of approximately 2.5 GeV/c(2).
    Description
    This is the publisher's version, also available electronically from http://journals.aps.org/prd/abstract/10.1103/PhysRevD.50.3027.
    URI
    http://hdl.handle.net/1808/15304
    DOI
    https://doi.org/10.1103/PhysRevD.50.3027
    ISSN
    1550-7998
    Collections
    • Physics & Astronomy Scholarly Works [1713]
    Citation
    J. Dominick et al. (1994). "Two-photon production of charged pion and kaon pairs." Physical Review D, 50(5):3027. http://dx.doi.org/10.1103/PhysRevD.50.3027

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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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