Measurement of the cross section for direct-photon production in association with a heavy quark in $p\bar{p}$ collisions at $\sqrt{s}$ = 1.96 TeV

Abstract

We report on a measurement of the cross section for direct-photon production in association with a heavy quark using the full data set of $\sqrt{s}=1.96$ TeV proton-antiproton collisions corresponding to 9.1 fb${}^{-1}$ of integrated luminosity collected by the CDF II detector at the Fermilab Tevatron. The measurements are performed as a function of the photon transverse momentum, covering photon transverse momentum between 30 and 300 GeV, photon rapidities $|y^{\gamma }|<1.0$, heavy-quark-jet transverse momentum $p_T^{jet}>20$ GeV, and jet rapidities $|y^{jet}|<1.5$. The results are compared with several theoretical predictions.

Accepted version

References in corpus (7)

• PYTHIA 6.4 Physics and Manual
• Event generation with SHERPA 1.1
• Direct Photon Production in Association With A Heavy Quark At Hadron Colliders
• Measurement of the differential photon+ c-jet cross section and the ratio of differential photon+ c and photon+ b cross sections in proton-antiproton collisions at sqrt(s) = 1.96 TeV
• Measurement of the photon$+b$-jet production differential cross section in $p\bar{p}$ collisions at $\sqrt{s}=1.96~\TeV$
• Prompt photon and associated heavy quark production at hadron colliders with kt-factorization
• Associated production of prompt photons and heavy quarks in off-shell gluon-gluon fusion

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