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Related papers: Heavy Quarks Photoproduction

200 papers

We review on the calculation of the heavy-quark photo-production vector form factors, with the full dependence on the mass of the heavy-quark. The Feynman diagrams are evaluated within the dimensional regularization scheme and expressed in…

High Energy Physics - Phenomenology · Physics 2015-06-25 R. Bonciani

The production of various heavy-quark-containing baryons in electron-positron annihilation is considered. On the basis of exact formulas that we obtained previously within full perturbation theory, new numerical calculations of the…

High Energy Physics - Phenomenology · Physics 2015-06-25 S. P. Baranov , V. L. Slad

Direct photon production is an important process at hadron colliders, being relevant both for precision measurement of the gluon density, and as background to Higgs and other new physics searches. Here we explore the implications of…

High Energy Physics - Phenomenology · Physics 2014-11-21 Giovanni Diana , Juan Rojo , Richard D. Ball

We present a perturbative QCD factorization formalism for the production of heavy quarkonia of large transverse momentum $p_T$ at collider energies, which includes both the leading power (LP) and next-to-leading power (NLP) contributions to…

High Energy Physics - Phenomenology · Physics 2012-03-12 Zhong-Bo Kang , Jian-Wei Qiu , George Sterman

Measurements of heavy quark production, particularly from HERA, their theoretical understanding and their relevance for the LHC are reviewed. The status of beauty and charm production is discussed in the context of the different components…

High Energy Physics - Experiment · Physics 2007-05-23 Matthew Wing

We resum Sudakov threshold enhancements in heavy quark hadroproduction for single-heavy quark inclusive and pair-inclusive kinematics. We expand these resummed results and derive analytical finite-order cross sections through…

High Energy Physics - Phenomenology · Physics 2010-05-28 N. Kidonakis , E. Laenen , S. Moch , R. Vogt

We review the current status of the cross sections measurement of the top-quark at the LHC and at the Tevatron. Total production cross sections, studies using single top quark events and differential $\rm{t}\bar{\rm t}$ cross sections are…

High Energy Physics - Experiment · Physics 2014-09-26 Mara Senghi Soares

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 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

The cross section of pair double heavy diquark production process $pp\to(bc)+(\bar b \bar c)+X$ is calculated in the leading order of gluonic fusion channel with all four possible color and spin combinations $[^1S_0]_{\bar3}$,…

High Energy Physics - Phenomenology · Physics 2016-07-20 Anton Trunin

We calculate the finite part of the heavy quark impact factor at next-to-leading logarithmic accuracy in a form suitable for phenomenological studies such as the calculation of the cross-section for single bottom quark production at the…

High Energy Physics - Phenomenology · Physics 2013-07-11 Grigorios Chachamis , Michal Deak , German Rodrigo

We present a fully-differential and high-precision calculation of top-quark pair-production and decay at the LHC, providing predictions for observables constructed from top-quark leptonic and $b$-flavoured jet final states. The calculation…

High Energy Physics - Phenomenology · Physics 2017-09-20 Jun Gao , Andrew S. Papanastasiou

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

We present a Next-to-Leading Order calculation of the cross section for the leptoproduction of large-$E_{\bot}$ hadrons and we compare our predictions with H1 data on the forward production of $\pi^0$. We find large higher order corrections…

High Energy Physics - Phenomenology · Physics 2009-11-10 P. Aurenche , Rahul Basu , M. Fontannaz , R. M. Godbole

Direct and indirect information on the top quark mass and its decay modes is reviewed. The theory of top production in hadron- and electron-positron-colliders is presented.

High Energy Physics - Phenomenology · Physics 2009-09-25 J. H. Kuehn

A calculation of the next-to-leading order cross section for the inclusive hadroproduction of charm quarks including heavy quark mass effects in the hard scattering cross sections is presented. It is described how the massive hard…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. Schienbein

We present updated predictions for the total production cross section of top-quark pairs at the Tevatron and at the LHC, and, at the LHC, of heavy-quark pairs with mass in the range 0.5-2 TeV. For t\bar{t} production at the LHC we also…

High Energy Physics - Phenomenology · Physics 2009-05-08 Matteo Cacciari , Stefano Frixione , Michelangelo L. Mangano , Paolo Nason , Giovanni Ridolfi

We present a comprehensive analysis of photon production at RHIC and the LHC, proposing radiative hadronization as an additional photon source in high-energy heavy-ion collisions. For thermal photon, we perform relativistic viscous…

Nuclear Theory · Physics 2022-08-15 Hirotsugu Fujii , Kazunori Itakura , Katsunori Miyachi , Chiho Nonaka

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

We review recent results on higher-order calculations to squark and gluino production and decay at the LHC, as obtained within the Collaborative Research Centre / Transregio 9 "Computational Particle Physics". In particular, we discuss…

High Energy Physics - Phenomenology · Physics 2015-02-25 M. Krämer , M. Muhlleitner