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Related papers: Heavy Quark Correlations in Photon-Hadron Collisio…

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Measurements of jet, prompt photon, high-pT hadron and heavy quark production in photon-induced processes provide tests of QCD and are sensitive to the photon parton densities. A review of the latest experimental results in photon-photon…

High Energy Physics - Experiment · Physics 2011-07-19 Claudia Glasman

Results of our next-to-leading order analytic calculation for longitudinally polarized photoproduction of heavy quarks are presented. Certain differential cross sections and the corresponding asymmetries are computed for energy ranges…

High Energy Physics - Phenomenology · Physics 2017-08-23 Z. V. Merebashvili , A. P. Contogouris , G. Grispos

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

The state of the art of the theoretical calculations for heavy quarks photoproduction is reviewed. The full fixed order next-to-leading order massive calculation and the resummation of large log(p_T/m) terms for differential cross sections…

High Energy Physics - Phenomenology · Physics 2007-05-23 Matteo Cacciari

The conventional NLO parton model is enough for the description of total cross sections and one-particle distributions. In the case of two-particle correlations, the collinear approximation has failed, and it is necessary to account for the…

High Energy Physics - Phenomenology · Physics 2007-05-23 Yu. M. Shabelski

We present a next-to-leading order QCD calculation of the production rates of jets containing heavy quarks. This calculation is performed using the standard Snowmass jet algorithm; it therefore allows a comparison with similar results known…

High Energy Physics - Phenomenology · Physics 2011-01-25 S. Frixione , M. L. Mangano

We compute the total cross section of a heavy quarkonium on a hadron target in leading twist QCD, including target mass corrections. Our method relies on the analytical continuation of the operator product expansion of the scattering…

High Energy Physics - Phenomenology · Physics 2009-11-07 F. Arleo , P. -B. Gossiaux , T. Gousset , J. Aichelin

We present a complete next-to-leading order QCD calculation for single-inclusive large-pT hadron production in longitudinally polarized lepton-nucleon collisions, consistently including ``direct'' and ``resolved'' photon contributions. This…

High Energy Physics - Phenomenology · Physics 2009-11-10 B. Jager , M. Stratmann , W. Vogelsang

We present updated predictions for single top-quark production in hadronic collisions. The analysis is based on next-to-leading order QCD calculations. The input parameters are fixed to recent measurements. We compare different PDF sets and…

High Energy Physics - Phenomenology · Physics 2015-05-20 P. Kant , O. M. Kind , T. Kintscher , T. Lohse , T. Martini , S. Mölbitz , P. Rieck , P. Uwer

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

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 revisit scalar leptoquark pair-production at hadron colliders and significantly improve the level of precision of the cross section calculations. Apart from QCD contributions, we include lepton t-channel exchange diagrams that turn out…

High Energy Physics - Phenomenology · Physics 2020-07-01 Christoph Borschensky , Benjamin Fuks , Anna Kulesza , Daniel Schwartländer

We compute the imaginary part of the heavy quark contribution to the photon polarization tensor, i.e. the quarkonium spectral function in the vector channel, at next-to-leading order in thermal QCD. Matching our result, which is valid…

High Energy Physics - Phenomenology · Physics 2009-02-09 Y. Burnier , M. Laine , M. Vepsalainen

We study the correlations of heavy quarks produced in relativistic heavy ion collisions and find them to be quite sensitive to the effects of the medium and the production mechanisms. In order to put this on a quantitative footing, as a…

High Energy Physics - Phenomenology · Physics 2015-05-30 Mohammed Younus , Umme Jamil , Dinesh K. Srivastava

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

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

Using the QCD color dipole picture to study exclusive vector meson and inclusive jet/open meson photoproduction, we calculate the ratio of elastic meson production to inclusive hadron production cross sections for ultraperipheral heavy ion…

High Energy Physics - Phenomenology · Physics 2026-05-15 Joao Vitor C. Lovato , Edgar Huayra , Magno V. T. Machado

This article reviews recent cross-section measurements of top-quark pair production in association with a photon, W or Z boson at the Large Hadron Collider (LHC). All measurements reviewed use proton-proton (pp) datasets collected by the…

High Energy Physics - Experiment · Physics 2023-03-23 Joshuha Thomas-Wilsker

Parton recombination has been found to be an extremely useful model to understand hadron production at the Relativistic Heavy Ion Collider. It is particularly important to explore its connections with hard processes. This article reviews…

Nuclear Theory · Physics 2008-11-26 Rainer J. Fries

A sizable rate of events, with several pairs of heavy-quarks produced contemporarily by multiple parton interactions, may be expected at very high energies as a consequence of the large parton luminosities. The production rates are enhanced…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Cattaruzza , A. Del Fabbro , D. Treleani