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Related papers: Heavy quark production in $\gamma\gamma$ collision…

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Heavy quark production in $\gamma\gamma$ collisions is reanalyzed. It is argued that evaluating the cross section $\sigma(\gamma\gamma\to Q\overline{Q})$ in a well-defined renormalization scheme requires the inclusion of direct photon…

High Energy Physics - Phenomenology · Physics 2007-05-23 Jiri Chyla

The total cross section of the top quark-antiquark pair production near threshold in $\gamma\gamma$ collision is computed analytically up to the next-to-leading order in perturbative and nonrelativistic expansion for general photon…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Penin , A. A. Pivovarov

We discuss several mechanisms of heavy quark production in (real) photon-nucleon and (real) photon - (real) photon collisions. In particular we focuse on application of the Saturation Model. We discuss how to generalize the formula from…

High Energy Physics - Phenomenology · Physics 2011-01-25 A. Szczurek

The top quark-antiquark pair threshold production at future High Energy Photon Colliders is considered in view of the recent advances in the theoretical description of the nonrelativistic heavy quark dynamics.

High Energy Physics - Phenomenology · Physics 2009-10-31 A. A. Penin

New results on inclusive heavy quark production in gamma gamma collisions are presented. Charm and bottom production are investigated at LEP II energies by the experiments ALEPH, DELPHI, L3, and OPAL. The total and differential cross…

High Energy Physics - Phenomenology · Physics 2007-05-23 A. Boehrer

We compare the numerical predictions for heavy quark production in high energy hadron collisions in the conventional QCD parton model and the k_T-factorization approach (semihard theory). The total production cross sections, one-particle…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

The exchange of gluons between heavy quarks produced in $e^+e^-$ interactions results in an enhancement of their production near threshold. We study QCD threshold effects in $\gamma\gamma$ collisions. The results are relevant to heavy quark…

High Energy Physics - Phenomenology · Physics 2010-11-01 O. J. P. Eboli , M. C. Gonzalez-Garcia , F. Halzen , S. F. Novaes

A systematic study of the inclusive single heavy quark and heavy-quark pair production cross sections in pp collisions is presented for RHIC and LHC energies. We compare with existing data when possible. The dependence of the rates on the…

High Energy Physics - Phenomenology · Physics 2015-06-25 R. V. Gavai , S. Gupta , P. L. McGaughey , E. Quack , P. V. Ruuskanen , R. Vogt , Xin-Nian Wang

We review the physics of heavy quark and quarkonium production in high energy hadronic collisions. We discuss the status of the theoretical calculations and compare the current results with the most recent measurements from the Tevatron…

High Energy Physics - Phenomenology · Physics 2010-11-11 Michelangelo L. Mangano

We calculate the photoproduction of heavy quarks in proton-proton collisions at RHIC, Tevatron and LHC energies. The integrated cross section and the rapidity distributions for open charm and bottom production are computed employing sound…

High Energy Physics - Phenomenology · Physics 2011-01-25 V. P. Goncalves , M. V. T. Machado

I review recent progress on the Higgs production in gamma gamma collisions at the photon mode of the Next Linear Collider (NLC). I mainly focus on two particular topics. The first topic is the Higgs-two photon vertex, which is sensitive to…

High Energy Physics - Phenomenology · Physics 2007-05-23 Oleg Yakovlev

The spin and flavor symmetries of the heavy quark effective theory are employed to discuss the exclusive cross sections for pair production of heavy mesons in photon-photon collision. The ratios of the exclusive cross sections for heavy…

High Energy Physics - Phenomenology · Physics 2009-10-22 S. Y. Choi , H. S. Song

We explore the quark mass effects on inclusive hadron production in proton-nucleus collisions at high energies. We consider two processes. First, we compute the single inclusive cross-section for production of hadrons with open heavy…

High Energy Physics - Phenomenology · Physics 2016-04-06 Tolga Altinoluk , Néstor Armesto , Guillaume Beuf , Alex Kovner , Michael Lublinsky

Direct photon production in association with a heavy quark can serve as an excellent tool for the study of the heavy quark distributions. Currently it is believed that heavy quarks are produced radiatively inside the nucleon, and so there…

High Energy Physics - Phenomenology · Physics 2015-03-17 T. Stavreva

I discuss mechanisms of heavy quark production in (real) photon-nucleon and (real) photon - (real) photon collisions. In particular, I focuse on application of the Saturation Model. In addition to the main dipole-nucleon or dipole-dipole…

High Energy Physics - Phenomenology · Physics 2011-01-25 A. Szczurek

Heavy quarks are copiously produced in ultra-peripheral heavy ion collisions. In the strong electromagnetic fields, c c-bar and b b-bar are produced by photonuclear and two-photon interactions; hadroproduction can occur in grazing…

High Energy Physics - Phenomenology · Physics 2011-01-25 Spencer R. Klein , Joakim Nystrand , Ramona Vogt

Uncertainties in the next-to-leading-order calculations of heavy-quark ($Q$) production are investigated. Predictions for total cross sections, single-inclusive distributions of heavy quarks and heavy flavoured hadrons, as well as for…

High Energy Physics - Phenomenology · Physics 2010-11-01 Gerhard A. Schuler

We describe updated calculations of $Q \bar Q$ production in $pp$ and $\pi^- p$ interactions. We compare these results to total cross section data and discuss how the baseline cross sections extrapolate to heavy ion collider energies. We…

High Energy Physics - Phenomenology · Physics 2009-11-07 R. Vogt

We review heavy quark and quarkonium production in high energy hadronic collisions. We discuss the status of the theoretical calculations and their uncertainties. We then compare the current theoretical results with the most recent…

High Energy Physics - Phenomenology · Physics 2009-09-25 Michelangelo MANGANO

We review the present theoretical and experimental status of heavy quark production in high-energy collisions. In particular, we cover hadro- and photoproduction at fixed target experiments, at HERA and at the hadron colliders, as well as…

High Energy Physics - Phenomenology · Physics 2016-11-03 S. Frixione , M. L. Mangano , P. Nason , G. Ridolfi
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