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We convey an idea of the significant recent progress, which opens up good perspectives for high-precision ab-initio computations in heavy flavour physics based on lattice QCD. Rather than surveying the latest results, this contribution…

High Energy Physics - Lattice · Physics 2010-03-03 Michele Della Morte , Jochen Heitger

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

In this talk \footnote{Presented at ICHEP'98, Vancouver, CA, July 1998}, we present a recently suggested way on how to analytically incorporate massive threshold effects into observables calculated in massless QCD. No matching is required…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael Melles

Heavy quarks are effective probes of the hot and dense nuclear matter, the quark-gluon plasma, produced in ultra-relativistic heavy-ion collisions. Due to the short time scale characterising their production, heavy quarks experience the…

Nuclear Experiment · Physics 2020-12-07 Fabio Catalano

Two variable flavor number schemes are used to describe bottom quark production in deep inelastic electron-proton scattering. In these schemes the coefficient functions are derived from mass factorization of the heavy quark coefficient…

High Energy Physics - Phenomenology · Physics 2009-10-31 A. Chuvakin , J. Smith , W. L. van Neerven

I convey an idea of the significant recent progress, which opens up good perspectives for high-precision ab-initio computations in heavy flavour physics based on lattice QCD. This report focuses on the strategy and the challenges of fully…

High Energy Physics - Lattice · Physics 2011-04-05 Jochen Heitger

We investigate the threshold-enhanced QCD corrections to the cross sections for direct top quark productions induced by model-independent flavor changing neutral current couplings at hadron colliders. We use the soft-collinear effective…

High Energy Physics - Phenomenology · Physics 2008-11-26 Li Lin Yang , Chong Sheng Li , Yang Gao , Jian Jun Liu

We present a detailed discussion of the collinear subtraction terms needed to establish a massive variable-flavour-number scheme for the one-particle inclusive production of heavy quarks in hadronic collisions. The subtraction terms are…

High Energy Physics - Phenomenology · Physics 2011-09-13 B. A. Kniehl , G. Kramer , I. Schienbein , H. Spiesberger

We perform lattice numerical simulations to study the phase transition of QCD at finite temperature to clarify the nature of the transition of massless two flavor QCD. We investigate QCD with two light and Nf heavy quarks instead of…

High Energy Physics - Lattice · Physics 2016-02-16 Norikazu Yamada , Shinji Ejiri , Ryo Iwami

I present a method for calculating heavy quark production which extrapolates smoothly from the well understood limits of the fixed-flavour number scheme for Q^2 approx m_H^2 to the zero-mass scheme at Q^2/m_H^2 -> infinity. For all Q^2 >…

High Energy Physics - Phenomenology · Physics 2007-05-23 R. S. Thorne

We use a systematic effective field theory setup to derive the $b\bar{b}H$ production cross section. Our result combines the merits of both fixed 4-flavor and 5-flavor schemes. It contains the full 4-flavor result, including the exact…

High Energy Physics - Phenomenology · Physics 2016-01-27 Marco Bonvini , Andrew S. Papanastasiou , Frank J. Tackmann

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

We investigate the role of heavy quarks in the production of light flavored hadrons and in the determination of the corresponding non perturbative hadronization probabilities. We define a general mass variable flavor number scheme for…

High Energy Physics - Phenomenology · Physics 2016-08-31 M. Epele , C. A. Garcia Canal , R. Sassot

Fluctuations of conserved quantities in heavy-ion collisions have been argued to be diagnostic tools for the nature of the produced phase. These can be related to the predictions of quark number susceptibilities (QNS) from lattice QCD.…

High Energy Physics - Phenomenology · Physics 2009-11-11 Rajiv V. Gavai , Sourendu Gupta

Heavy-flavour hadrons, i.e. hadrons containing charm or beauty quarks, are effective probes to test perturbative-QCD (pQCD) calculations, to investigate the different hadronisation mechanisms, and to study the quark-gluon plasma (QGP)…

Nuclear Experiment · Physics 2022-02-16 Andrea Dubla

We calculate, for the first time, the NNLO QCD corrections to identified heavy hadron production at hadron colliders. The calculation is based on a flexible numeric framework which allows the calculation of any distribution of a single…

High Energy Physics - Phenomenology · Physics 2021-11-17 Michal Czakon , Terry Generet , Alexander Mitov , Rene Poncelet

Heavy flavor production is an ideal tool to study the properties of the Quark Gluon Plasma (QGP). The heavy flavor production at the Relativistic Heavy Ion Collider (RHIC) has its unique kinematic coverage and different production…

High Energy Physics - Experiment · Physics 2018-09-28 Xuan Li

Thanks to the excellent tracking and muon identification performance, combined with a flexible trigger system, the CMS experiment at the Large Hadron Collider is conducting a rich and competitive program of measurements in the field of…

High Energy Physics - Experiment · Physics 2019-08-13 Vincenzo Chiochia

Using a subset of the current Run II data, the CDF and \D0 have performed several measurements on heavy flavor production. In this paper, we present a new measurement of prompt charm meson production by CDF. We also report the latest CDF II…

High Energy Physics - Experiment · Physics 2010-04-22 Chunhui Chen

The measurement of heavy-flavour production in pp collisions at the LHC allows to study the production mechanisms and to test perturbative Quantum Chromodynamics (pQCD) in a new energy domain. Further it provides important reference data…

High Energy Physics - Experiment · Physics 2019-08-14 Yvonne Pachmayer