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Related papers: D-meson production in the GM-VFN scheme

200 papers

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 apply the SACOT-$m_{\rm T}$ general-mass variable flavour number scheme (GM-VFNS) to the inclusive B-meson production in hadronic collisions at next-to-leading order in perturbative Quantum Chromodynamics. In the GM-VFNS approach one…

High Energy Physics - Phenomenology · Physics 2023-07-26 Ilkka Helenius , Hannu Paukkunen

We review one-particle inclusive production of heavy-flavored hadrons in a framework which resums the large collinear logarithms through the evolution of the FFs and PDFs and, at the same time, retains the full dependence on the heavy-quark…

High Energy Physics - Phenomenology · Physics 2017-08-23 I. Schienbein

We study the inclusive hadroproduction of $B^0$, $B^+$, and $B_s^0$ mesons at leading order in the parton Reggeization approach using the universal fragmentation functions extracted from the combined $e^+e^-$ annihilation data from CERN…

High Energy Physics - Phenomenology · Physics 2015-06-23 Anton Karpishkov , Vladimir Saleev , Maxim Nefedov , Alexandra Shipilova

We summarize the key results of a recent global analysis of inclusive single-charged-hadron production in high-energy colliding-beam experiments. In the framework of the parton model of quantum chromodynamics at next-to-leading order (NLO),…

High Energy Physics - Phenomenology · Physics 2010-03-25 Bernd A. Kniehl

We present new sets of nonperturbative fragmentation functions for D^*+- mesons, both at leading and next-to-leading order in the MS-bar factorization scheme with five massless quark flavors. They are determined by fitting the latest OPAL…

High Energy Physics - Phenomenology · Physics 2011-01-25 J. Binnewies , B. A. Kniehl , G. Kramer

We calculate the next-to-leading-order cross section for the inclusive production of $\Lambda_b$ baryons in pp collisions in the general-mass variable-flavor-number scheme. We use realistic evolved non-perturbative fragmentation functions…

High Energy Physics - Phenomenology · Physics 2018-08-15 G. Kramer , H. Spiesberger

We present formulae for the momentum (z) distributions of D-mesons produced in neutrino deep-inelastic scattering off strange partons. The expressions are derived within the variable flavor scheme of Aivazis et al. (ACOT-scheme), which is…

High Energy Physics - Phenomenology · Physics 2009-10-30 S. Kretzer , I. Schienbein

Dihadron Fragmentation Functions (DFF) provide a vast amount of information on the intricate details of the parton hadronization process. Moreover, they provide a unique access to the "clean" extraction of nucleon transversity parton…

High Energy Physics - Phenomenology · Physics 2013-12-04 Hrayr H. Matevosyan , Anthony W. Thomas , Wolfgang Bentz

We present new sets of fragmentation functions for D^{*+-} mesons, both at leading and next-to-leading order. They are determined by fitting LEP1 data on inclusive D^{*+-} production in e^+e^- annihilation. In one of the sets, we take the…

High Energy Physics - Phenomenology · Physics 2008-02-03 J. Binnewies , B. A. Kniehl , G. Kramer

We calculate the cross section for the inclusive production of B mesons in pp and ppbar collisions at next-to-leading order in the general-mass variable-flavor-number scheme and show that a suitable choice of factorization scales leads to a…

High Energy Physics - Phenomenology · Physics 2016-08-08 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

We provide nonperturbative fragmentation functions for B mesons, both at leading and next-to-leading order in the MS-bar factorization scheme with five massless quark flavors. They are determined by fitting the fractional energy…

High Energy Physics - Phenomenology · Physics 2011-01-27 J. Binnewies , B. A. Kniehl , G. Kramer

Fragmentation functions for heavy-light mesons, like the charmed D, D^* mesons, are proposed. They rest on next-to-leading QCD Perturbative Fragmentation Functions for heavy quarks, with the addition of a non-perturbative term describing…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. Cacciari , M. Greco , S. Rolli , A. Tanzini

We calculate the next-to-leading order cross section for the inclusive production of D^{*+-} mesons in p p-bar collisions as a function of the transverse momentum and the rapidity in two approaches using massive or massless charm quarks.…

High Energy Physics - Phenomenology · Physics 2009-11-10 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

We perform a comprehensive study within quantum chromodynamics (QCD) of dihadron observables in electron-positron annihilation, semi-inclusive deep-inelastic scattering, and proton-proton collisions, including recent cross section data from…

High Energy Physics - Phenomenology · Physics 2024-03-01 C. Cocuzza , A. Metz , D. Pitonyak , A. Prokudin , N. Sato , R. Seidl

We introduce a novel realization of the open heavy-flavour hadroproduction in general-mass variable flavour number scheme at next-to-leading order in perturbative QCD. The principal novelty with respect to the earlier works is in the…

High Energy Physics - Phenomenology · Physics 2018-07-04 Ilkka Helenius , Hannu Paukkunen

Dihadron Fragmentation Functions (DFF) provide a vast amount of information on the intricate details of the parton hadronization process. Moreover, they provide a unique access to the "clean" extraction of nucleon transversity parton…

High Energy Physics - Phenomenology · Physics 2014-05-22 Hrayr H. Matevosyan , Anthony W. Thomas , Wolfgang Bentz

The fragmentation functions D_{a -> H}(x,mu^2) of a heavy hadron H, with mass m_H, satisfy the phase-space constraint D_{a - > H}(x,mu^2)=0 for x < m_H^2/mu^2, which is violated by the naive mu^2 evolution equations. Using appropriately…

High Energy Physics - Phenomenology · Physics 2009-10-31 Bernd A. Kniehl , Lennart Zwirner

Inclusive photoproduction of D*+- mesons has been measured for photon-proton centre-of-mass energies in the range 130 < W < 280 GeV and a photon virtuality Q^2 < 1 GeV^2. The data sample used corresponds to an integrated luminosity of 37…

High Energy Physics - Experiment · Physics 2012-08-27 ZEUS Collaboration

Several recent measurements of charmed hadron production in deep inelastic scattering at HERA are reviewed. Cross sections for the production of D mesons were measured and compared to NLO QCD predictions. The charm contribution to the…

High Energy Physics - Experiment · Physics 2015-03-17 Philipp Roloff