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Measurement of photon+b+X and photon+c+X production cross sections in ppbar collisions at sqrt(s)=1.96 TeV

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    0335417 - FZÚ 2010 RIV US eng J - Journal Article
    Abazov, V. M. - Abbott, B. - Abolins, M. - Kupčo, Alexander - Lokajíček, Miloš … Total 513 authors
    Measurement of photon+b+X and photon+c+X production cross sections in ppbar collisions at sqrt(s)=1.96 TeV.
    [Měření účinného průřezu gamma+b+X a gamma+c+X v pp srážkách při těžišťové energii 1.96 TeV.]
    Physical Review Letters. Roč. 102, č. 19 (2009), 192002/1-192002/7. ISSN 0031-9007. E-ISSN 1079-7114
    R&D Projects: GA MŠMT LC527; GA MŠMT LA08047
    Institutional research plan: CEZ:AV0Z10100502
    Keywords : D0 * gamma
    Subject RIV: BF - Elementary Particles and High Energy Physics
    Impact factor: 7.328, year: 2009
    http://arxiv.org/abs/0901.0739

    First measurements of the differential cross sections for the inclusive production of a photon in association with a heavy quark (c, b) jet are presented, covering photon transverse momenta 30-150 GeV, photon rapidities | y_gamma| < 1.0, jet rapidities |y_jet| < 0.8, and jet transverse momenta pT_jet > 15 GeV. The results are based on an integrated luminosity of 1 fb^-1 in ppbar collisions at sqrt(s)=1.96 TeV recorded with the D0 detector at the Fermilab Tevatron Collider. The results are compared with next-to-leading order perturbative QCD predictions.

    Prezentujeme první měření diferenciálního účinného průřezu inklusivní produkce fotonu s associovaným těžkým kvarkem (b nebo c). Výsledky porovnáváme s predikcí next-to-leading řádu QCD.
    Permanent Link: http://hdl.handle.net/11104/0179888

     
     
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