English
Related papers

Related papers: Beauty and Charm Production in Fixed Target Experi…

200 papers

Experimental results on beauty production at HERA are reviewed in the context of similar measurements at other colliders. As a result of a phenomenological study of the QCD scale dependence of many different NLO and NNLO predictions, a…

High Energy Physics - Experiment · Physics 2007-11-15 Achim Geiser

Charm production in pp collisions is considered in the framework of perturbative QCD. The values of two parameters, the charm quark mass $m_c$ and the QCD scale mu^2, are determined from the comparison of the theoretical calculations with…

High Energy Physics - Phenomenology · Physics 2011-03-17 C. Merino , C. Pajares , M. M. Ryzhinskiy , Yu. M. Shabelski , A. G. Shuvaev

Results for the production of charm and beauty quarks in proton anti-proton collisions at ECM=1.96 TeV (Tevatron) with the two multi purpose experiments CDF and D0 using an integrated luminosity of up to 1 fb^-1 are presented. With the data…

High Energy Physics - Experiment · Physics 2007-05-31 Thorsten Kuhl

Recent measurements of Charm and Beauty production at HERA are described. The charm results are well described by NLO QCD calculations with a somewhat better description in the CCFM than in the DGLAP evolution schemes. However, the Beauty…

High Energy Physics - Experiment · Physics 2007-05-23 T. Sloan

The production of charmed and beauty baryons in proton-proton collisions at high energies is analyzed within the modified quark-gluon string model. We present some predictions for the experiments on the forward beauty baryon production in…

High Energy Physics - Phenomenology · Physics 2010-12-09 V. A. Bednyakov , G. I. Lykasov , V. V. Lyubushkin

Charm photoproduction rates off nuclei below the nucleon threshold are estimated using the phenomenologically known structure functions both for x>1 and x<1. The rates rapidly fall below the threshold from values of the order 10 pb for Pb…

High Energy Physics - Phenomenology · Physics 2009-11-10 M. A. Braun , B. Vlahovic

Recent results of open charm and beauty production in electron proton scattering at HERA are presented. In photoproduction, the measured cross sections for charm exceed fixed order NLO QCD calculations. Experimental evidence supports the…

High Energy Physics - Phenomenology · Physics 2017-08-23 O. Behnke

This contribution summarizes a selection of recent results from the ALICE experiment. We show the cross-section of beauty jets in pp collisions, as well as the charmed baryon-to-meson production ratios, down to unprecedentedly low momenta,…

Nuclear Experiment · Physics 2022-11-08 Robert Vertesi

Predictions of charm correlation functions and more specifically balance functions are presented in proton--proton (pp) collisions at sqrt(s_NN) = 13 TeV based on the PYTHIA 8.3 event generator. Correlations are computed for identical and…

High Energy Physics - Experiment · Physics 2025-07-29 Oveis Sheibani , Claude Pruneau , Victor Gonzalez , Sumit Basu , Alexandru Florin Dobrin , Yash Patley , Basanta Nandi , Sadhana Dash

New high statistics, high resolution fixed target experiments producing $10^5$ - $10^6$ fully reconstructed charm particles are allowing a detailed study of the charm sector. Recent results on charm quark production from Fermilab fixed…

High Energy Physics - Phenomenology · Physics 2010-12-13 J. C. Anjos , E. Cuautle

Production measurements of charm hadrons, particularly the yield ratios of different hadron species as a function of the transverse momentum, are important to study the charm hadronisation mechanism. In this contribution, measurements of…

High Energy Physics - Experiment · Physics 2024-12-31 Tiantian Cheng

Selected recent ZEUS and H1 results on open charm and beauty production in high energy ep collisions are reviewed. Measurements of differential D* cross sections, charm meson production ratios and semi-leptonic beauty decays are discussed…

High Energy Physics - Experiment · Physics 2019-08-14 J. Kroseberg

A validity of a recent estimate of an upper limit of charm production in central Pb+Pb collisions at 158 AGeV is critically discussed. Within a simple model we study properties of the background subtraction procedure used for an extraction…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. Gazdzicki , M. I. Gorenstein

The production cross sections of $\mathrm {D^0}$, $\mathrm {D^+}$, and $\mathrm {\Lambda_{c}^{+}}$ hadrons originating from beauty-hadron decays (i.e. non-prompt) were measured for the first time at midrapidity in proton$-$lead (p$-$Pb)…

Nuclear Experiment · Physics 2024-12-05 ALICE Collaboration

Heavy quark production probes QCD at the interface of the perturbative and non-perturbative regimes. Studying the production of heavy quarks is an important test of models in both regimes. In this article, recent results on beauty and charm…

High Energy Physics - Experiment · Physics 2019-08-14 J. Pursley

The study of $C\!P$ violation in decays of beauty- and charm-hadrons provides a fundamental test of the predictions of the Standard Model (SM) and represents a sensitive probe to search for physics effects that cannot be described within…

High Energy Physics - Experiment · Physics 2017-09-04 Francesca Dordei

In this contribution, the latest results on hadronization studies of charm and beauty quarks obtained with the data collected with the ALICE experiment at the LHC are presented. Measurements of prompt and non-prompt charm-hadron production…

High Energy Physics - Experiment · Physics 2023-05-18 Mattia Faggin

Charm and bottom production near threshold is sensitive to the multi-quark, gluonic, and hidden-color correlations of hadronic and nuclear wavefunctions in QCD since all of the target's constituents must act coherently within the small…

High Energy Physics - Phenomenology · Physics 2009-09-11 S. J. Brodsky , E. Chudakov , P. Hoyer , J. M. Laget

We have studied how parton distributions based on the inclusion of nonlinear scale evolution and constraints from HERA data affect charm production in $pp$ collisions at center-of-mass energies of 5.5, 8.8 and 14 TeV. We find that, while…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. J. Eskola , V. J. Kolhinen , R. Vogt

I review the sensitivities achieved by and projected for fixed-target charm experiments in CP violation, flavor-changing neutral-current and lepton-number-violating decays, and mixing, and I describe the Charm2000 experiment intended to run…

High Energy Physics - Experiment · Physics 2015-06-25 Daniel M. Kaplan