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Related papers: Inclusive B-meson production at small p_T in the g…

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We calculate the next-to-leading-order cross section for the inclusive production of B mesons in pp collisions in the general-mass variable-flavor-number scheme, an approach which takes into account the finite mass of the b quarks. We use…

High Energy Physics - Phenomenology · Physics 2015-05-30 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

We study inclusive $B$-meson production in $pp$ collisions at the LHC and compare experimental data with predictions of the general-mass variable-flavour-number scheme at next-to-leading order of perturbative QCD. We find almost perfect…

High Energy Physics - Phenomenology · Physics 2019-10-23 M. Benzke , B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

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 study inclusive charm and bottom production, for both D and B mesons, in p-Pb collisions at the LHC. Numerical results for p_T-differential production cross sections are obtained at next-to-leading-order in the general-mass…

High Energy Physics - Phenomenology · Physics 2017-11-01 G. Kramer , H. Spiesberger

We summarize recent progress in the theoretical description of heavy-flavored-hadron inclusive production at next-to-leading order in the general-mass variable-flavor-number scheme. Specifically, we discuss the influence of finite-mass…

High Energy Physics - Phenomenology · Physics 2008-07-15 Bernd A. Kniehl

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

We calculate the transverse-momentum (p_T) distribution for the inclusive hadroproduction of B mesons at intermediate values of p_T at next-to-leading order (NLO) in a dedicated finite-mass scheme using realistic non-perturbative…

High Energy Physics - Phenomenology · Physics 2008-11-26 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

We study inclusive b-hadron production in pp collisions at the LHC at different center-of-mass energies and compare with experimental data from the LHCb and CMS collaborations. Our predictions for cross sections differential in the…

High Energy Physics - Phenomenology · Physics 2018-12-19 G. Kramer , H. Spiesberger

Within the framework of $k_t$-factorization, we compute the differential cross section for the production of $B$ and $D$ mesons, using a general-mass variable-flavor-number scheme. Our calculations include all relevant $2\to 2$ processes.…

High Energy Physics - Phenomenology · Physics 2021-12-24 B. Guiot , A. van Hameren

We study the inclusive production of J/psi and psi(2S) mesons originating from the decays of bottom-flavored hadrons produced in p anti-p collisions at the Fermilab Tevatron and in pp collisions at the CERN LHC. We work at next-to-leading…

High Energy Physics - Phenomenology · Physics 2015-06-17 Paolo Bolzoni , Bernd A. Kniehl , Gustav Kramer

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 present a calculation of the next-to-leading order cross section for the inclusive hadroproduction of D and B mesons as a function of the transverse momentum and the rapidity in a massive variable flavor number scheme. We compare our…

High Energy Physics - Phenomenology · Physics 2015-06-25 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

I present predictions for the inclusive production of D mesons at the CERN LHC in the general-mass variable-flavor-number scheme at next-to-leading order. Numerical results are compared to data where available, and uncertainties due to…

High Energy Physics - Phenomenology · Physics 2012-06-01 H. Spiesberger

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 present a factorization formula for the inclusive production of the Higgs boson at large transverse momentum $P_T$ that includes all terms with the leading power of $1/P_T^2$. The cross section is factorized into convolutions of parton…

High Energy Physics - Phenomenology · Physics 2015-10-26 Hong Zhang , Eric Braaten

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

Using information on B-meson fragmentation functions from CERN LEP 1 and adopting the nonrelativistic QCD factorization formalism proposed by Bodwin, Braaten, and Lepage, we predict the transverse-momentum distribution of J/psi mesons…

High Energy Physics - Phenomenology · Physics 2011-03-23 B. A. Kniehl , G. Kramer

We discuss the inclusive production of D*+- mesons in gamma-proton collisions at DESY HERA, based on a calculation at next-to-leading order in the general-mass variable-flavor-number scheme. In this approach, MSbar subtraction is applied in…

High Energy Physics - Phenomenology · Physics 2009-07-24 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

We present predictions for the inclusive productions of the D meson originating from bottom hadrons at the CERN LHC in the general-mass variable-flavour-number scheme at next-to-leading order. We present results using two methods to…

High Energy Physics - Phenomenology · Physics 2015-06-17 Paolo Bolzoni , Gustav Kramer

The cross section for the inclusive photoproduction of large-p_T D^*+- mesons is calculated at next-to-leading order, adopting different approaches to describe the fragmentation of charm quarks into D^*+- mesons. We treat the charm quark…

High Energy Physics - Phenomenology · Physics 2014-11-17 B. A. Kniehl , G. Kramer , M. Spira
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