English
Related papers

Related papers: Heavy quark photoproduction in proton-proton colli…

200 papers

We calculate the inclusive and diffractive photoproduction of heavy quarks in proton-proton collisions at Tevatron and LHC energies, where the photon reaches energies larger than those ones accessible at DESY-HERA. The integrated cross…

High Energy Physics - Phenomenology · Physics 2009-09-02 V. P. Goncalves , M. V. T. Machado , A. R. Meneses

We calculate the photonuclear production of heavy quarks in ultraperipheral heavy ion collisions. The integrated cross section and the rapidity distribution are computed employing sound high energy QCD formalisms as the collinear and…

High Energy Physics - Phenomenology · Physics 2010-11-30 V. P. Goncalves , M. V. T. Machado

In this work we estimate the heavy quark production in proton-proton and proton-nucleus collisions at LHC energies using the color dipole formalism and the solution of the running coupling Balitsky-Kovchegov equation. Nuclear effects are…

High Energy Physics - Phenomenology · Physics 2015-05-30 E. R. Cazaroto , V. P. Goncalves , F. S. Navarra

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 cross sections of heavy quark production in $pp$ collision and for their photo- and electroproduction are calculated in the framework of QCD. The virtual nature of the interacting gluons as well as their transverse motion and different…

High Energy Physics - Phenomenology · Physics 2011-01-25 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

The diffractive heavy quark cross sections are estimated considering photon-Pomeron ($\gamma \pom$) interactions in hadron - hadron at RHIC, Tevatron, and CERN LHC energies. We assume the validity of the hard diffractive factorization and…

High Energy Physics - Phenomenology · Physics 2015-06-03 V. P. Goncalves , M. M. Machado

Based on the factorization formalism of nonrelativistic quantum chromodynamics (NRQCD), we calculate the production cross section for the charmonium and the bottomonium produced by the hard photoproduction processes and fragmentation…

High Energy Physics - Phenomenology · Physics 2017-06-13 Gong-Ming Yu , Yan-Bing Cai , Yun-De Li , Jian-Song Wang

The heavy quark production in ultraperipheral heavy ion collisions is investigated, in particular we focus on the results from the coherent interactions given by the two-photon process. One addresses the heavy quark total cross sections at…

High Energy Physics - Phenomenology · Physics 2009-01-07 V. P. Goncalves , M. V. T. Machado

The photonuclear production of vector mesons in ultraperipheral heavy ion collisions is investigated within the QCD color dipole picture, with particular emphasis on the saturation model. The integrated cross section and the rapidity…

High Energy Physics - Phenomenology · Physics 2011-09-13 V. P. Goncalves , M. V. T. Machado

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

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

We calculate the inclusive heavy quark production cross section for proton-nucleus collisions at high energies. We perform calculation in a quasi-classical approximation (McLerran-Venugopalan model) neglecting all low-x evolution effects.…

High Energy Physics - Phenomenology · Physics 2009-11-10 Kirill Tuchin

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

We present the next-to-leading-order cross sections of the heavy quark-antiquark pair production in polarized photon-photon collision for the general case of photon polarizations. The numerical results for top-antitop production cross…

High Energy Physics - Phenomenology · Physics 2009-10-31 George Jikia , Avto Tkabladze

In this paper we present a comprehensive analysis of the exclusive heavy quark photoproduction in $pp$, $pPb$ and $PbPb$ collisions at LHC and FCC energies using the color dipole formalism and taking into account of nonlinear corrections to…

High Energy Physics - Phenomenology · Physics 2020-05-20 V. P. Goncalves , G. Sampaio dos Santos , C. R. Sena

In the framework of the kt-factorization approach, the production of prompt photons in association with a heavy (charm or beauty) quarks at high energies is studied. The consideration is based on the O(\alpha \alpha_s^2) off-shell…

High Energy Physics - Phenomenology · Physics 2013-02-11 A. V. Lipatov , M. A. Malyshev , N. P. Zotov

In this letter we study the diffractive photoproduction of heavy quarks in hadronic (pp/pA/AA) interactions for Tevatron and LHC energies. The integrated cross section and rapidity distribution for the process h_1 h_2 --> h_1 h_2 QQBAR (h_i…

High Energy Physics - Phenomenology · Physics 2008-11-26 V. P. Goncalves , M. V. T. Machado

I review the color dipole formulation of heavy quark production in the light of recent RHIC data. Since charm and bottom production directly probe the gluon density, these processes allow one to study shadowing and parton saturation at RHIC…

High Energy Physics - Phenomenology · Physics 2011-01-25 J. Raufeisen

In this work we analyse the possibility of constraining the QCD dynamics at high energies studying the heavy quark photoproduction at LHC in coherent interactions. The rapidity distribution and total cross section for charm and bottom…

High Energy Physics - Phenomenology · Physics 2014-11-20 V. P. Goncalves , M. V. T. Machado , A. R. Meneses

Results of a next-to-leading order calculation of the inclusive cross section for a photon and a heavy quark (charm or bottom), $p \bar p / pp \to \gamma +Q +X$, are presented. Pointlike photon subprocesses through ${\cal…

High Energy Physics - Phenomenology · Physics 2009-11-06 T. P. Stavreva , J. F. Owens
‹ Prev 1 2 3 10 Next ›