Photon-photon collisions and photon structure functions at LEP
نویسندگان
چکیده
منابع مشابه
Photon Structure at Lep
The structure of the photon is studied in photon interactions at high energies using photons radiated by the electron and positron beams at LEP. The current status of these measurements is reviewed.
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An overview of the latest results of the LEP collaborations on QCD measurements in photon-photon collisions is presented, including measurements of the total hadronic cross-section, the production of heavy quarks and dijets and the structure functions of real and virtual photons.
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The study of exclusive channels in photon-photon collisions at e + e − colliders allows to investigate the structure and the properties of hadrons in a very clean experimental environment. A concise review of the most recent results obtained at LEP is presented.
متن کاملHadronic photon-photon scattering at LEP
Hadronic interactions of two quasi-real photons have been studied extensively both during the LEP1 and the LEP2 data taking periods. The higher energies available at LEP2 in particular opened regions of phase space where hadronic processes can be predicted reliably by perturbative QCD calculations, usually available to next-to-leading order in the strong coupling constant for the process concer...
متن کاملMeasurements of Hadronic Structure Functions of the Photon at Lep
The photon is unique in that it can act both as a fundamental particle the gauge boson of QED or as an extended object with structure. The structure function of the photon differs from that of the proton because the photon has a point-like coupling to quark charges which is calculable in perturbative QCD as well as a non-perturbative hadron-like part. The classic way to investigate the structur...
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ژورنال
عنوان ژورنال: Nuclear Physics A
سال: 2000
ISSN: 0375-9474
DOI: 10.1016/s0375-9474(99)00610-7