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Results are presented from four CDF analyses involving heavy quark production in proton-antiproton collisions at center of mass energy 1.96 TeV. The shapes of b-jets are found to be broader than inclusive predictions and broader than both…

High Energy Physics - Experiment · Physics 2008-08-26 Sally Seidel

Heavy quarks provide a new dimension to QCD, allowing tests of fundamental theory, the nature of color confinement, and the production of new exotic multiquark states. I also discuss novel explanations for several apparently anomalous…

High Energy Physics - Phenomenology · Physics 2014-01-29 Stanley J. Brodsky

In the heavy quark limit inclusive production rate of a heavy meson can be factorized, in which the nonperturbative effect related to the heavy meson can be characterized by matrix elements defined in the heavy quark effective theory. Using…

High Energy Physics - Phenomenology · Physics 2009-11-07 J. P. Ma

We calculate the cross section for the inclusive production of single hadrons with finite transverse momenta in deep-inelastic scattering at next-to-leading order (NLO), i.e. through O(alpha_s^2), in the parton model of QCD endowed with…

High Energy Physics - Phenomenology · Physics 2010-11-05 B. A. Kniehl , G. Kramer , M. Maniatis

We summarize our calculation of the total cross section for top quark production at hadron colliders within the context of perturbative quantum chromodynamics, including resummation of the effects of initial-state soft gluon radiation to…

High Energy Physics - Phenomenology · Physics 2014-11-17 Edmond L. Berger , Harry Contopanagos

We present a program to calculate the total cross section for top-quark pair production in hadronic collisions. The program takes into account recent theoretical developments such as approximate next-to-next-to-leading order perturbative…

High Energy Physics - Phenomenology · Physics 2011-02-01 M. Aliev , H. Lacker , U. Langenfeld , S. Moch , P. Uwer , M. Wiedermann

We present a phenomenological study of charm quark photoproduction in longitudinally polarized lepton-hadron collisions at next-to-leading order accuracy of QCD. Our results are based on a recently developed, flexible parton-level Monte…

High Energy Physics - Phenomenology · Physics 2015-06-12 Johann Riedl , Marco Stratmann , Andreas Schafer

We report on a recently completed, first calculation of the full next-to-leading order QCD corrections for heavy flavor contributions to the inclusive structure function $g_1$ in longitudinally polarized deep-inelastic scattering. All…

High Energy Physics - Phenomenology · Physics 2018-12-03 Felix Hekhorn , Marco Stratmann

We advocate charmed-hadron inclusive hadroproduction as a laboratory to probe intrinsic charm (IC) inside the colliding hadrons. Working at next-to-leading order in the general-mass variable-flavor-number scheme endowed with…

High Energy Physics - Phenomenology · Physics 2009-07-30 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

A new mechanism for hard inclusive production, which leads to a violation of the factorization theorem, is suggested. The mechanism is illustrated by a detailed discussion of Higgs meson production in high energy deutron-deutron scattering.…

High Energy Physics - Phenomenology · Physics 2019-08-17 E. Gotsman , E. Levin , U. Maor

We derive high-order threshold corrections for top quark production in hadronic collisions from resummation calculations. We present analytical expressions for the cross section through next-to-next-to-next-to-next-to-leading order (N^4LO)…

High Energy Physics - Phenomenology · Physics 2009-10-31 Nikolaos Kidonakis

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

The total cross section for the production of massive quarks in electron positron annihilation can be predicted in perturbative QCD. After expansion in m^2/s the quartic terms, i.e. those proportional to m^4/s^2, are calculated up to order…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. G. Chetyrkin , R. V. Harlander , J. H. Kuehn

We summarize the motivations for and the status of the calculation of the $W +$ heavy quark production process in $p \bar p$ colliders to Next-to-Leading Order in QCD. This process can be used to constrain the strange quark distribution…

High Energy Physics - Phenomenology · Physics 2019-08-17 W. T. Giele , S. Keller , E. Laenen

We discuss hadroproduction of open charmed mesons ($D^0$, $D^{\pm}$, $D^{\pm}_{S}$) at the LHC energy $\sqrt{s} = 7$ TeV. The cross section for inclusive production of $c \bar c$ pairs is calculated within the $k_{\perp}$-factorization (or…

High Energy Physics - Phenomenology · Physics 2014-10-27 Rafal Maciula , Antoni Szczurek

We will give a review of the computation of exact next-to-leading order corrections to heavy quark production in deep inelastic lepton-hadron scattering and discuss the progress made in this field over the past ten years. In this approach,…

High Energy Physics - Phenomenology · Physics 2009-11-07 W. L. van Neerven

The inclusive double Pomeron exchange cross section for heavy quark pair production is calculated for nucleus-nucleus collisions at the LHC. The present estimate is based on hard diffractive factorization, corrected by absorptive…

High Energy Physics - Phenomenology · Physics 2011-01-28 M. B. Gay Ducati , M. M. Machado , M. V. T. Machado

We present a calculation of the D^{*+}, D^+ and D^0 meson single inclusive production cross section for the Tevatron Run II. We use the FONLL approach in perturbative QCD, which, besides including the known next-to-leading order…

High Energy Physics - Phenomenology · Physics 2009-11-10 Matteo Cacciari , Paolo Nason

We summarize the results of a recent study of heavy quark production and attenuation in cold nuclear matter. In p+p collisions, we investigate the relative contribution of partonic sub-processes to $D$ meson production and $D$…

High Energy Physics - Phenomenology · Physics 2009-11-11 Ivan Vitev

Factorization, in the sense defined for inclusive hard scattering, is discussed for diffractive hard scattering. A factorization theorem similar to its inclusive counterpart is presented for diffractive DIS. For hadron-hadron diffractive…

High Energy Physics - Phenomenology · Physics 2009-10-30 Arjun Berera