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Related papers: Charm, Beauty and Top at HERA

200 papers

The experimental and phenomenological status of high energy photoproduction is reviewed. Topics covered include the structure of the photon, production of jets, heavy flavours and prompt photons, rapidity gaps, energy flow and underlying…

High Energy Physics - Experiment · Physics 2009-11-11 J. M. Butterworth , M. Wing

Recent measurements of charm-baryon production in proton-proton collisions at the LHC have found a surprisingly large yield relative to those of $D$-mesons. We propose that this observation can be explained by the statistical hadronization…

Nuclear Theory · Physics 2019-07-24 Min He , Ralf Rapp

Jet production in electron-proton collisions at HERA provides a unique testing ground for Quantum Chromodynamics (QCD). Apart from the determination of the strong coupling constant $\alpha_s$, ep jet data may especially be used to gain…

High Energy Physics - Experiment · Physics 2007-05-23 Hans-Christian Schultz-Coulon

The production of beauty quarks with a D*+- and a muon in the final state has been measured with the ZEUS detector at HERA using an integrated luminosity of 114 pb-1. Low transverse-momentum thresholds for the muon and D* meson allow a…

High Energy Physics - Experiment · Physics 2012-08-03 ZEUS Collaboration , S. Chekanov

The coefficient functions for heavy-flavour production in deeply inelastic electron-hadron scattering have been calculated previously. Analytic expressions are impossible to publish due to their length. Therefore we have tabulated them as…

High Energy Physics - Phenomenology · Physics 2011-07-19 S. Riemersma , J. Smith , W. L. van Neerven

Measurements are presented of inclusive charm and beauty cross sections in e^+p collisions at HERA for values of photon virtuality Q^2 > 150 GeV^2 and of inelasticity 0.1 < y < 0.7. The charm and beauty fractions are determined using a…

High Energy Physics - Experiment · Physics 2012-08-27 H1 Collaboration

We estimate the differential and total cross sections for both the photoproduction of vector D*-meson and its yield in deep inelastic scattering at the HERA collider in the framework of model motivated by perturbative calculations in QCD.…

High Energy Physics - Phenomenology · Physics 2016-09-06 A. V. Berezhnoy , V. V. Kiselev , A. K. Likhoded

In this work we are studying the relative beauty to charm production in pp collisions at \sqrt{s} = 2.76 TeV, through correlations between electrons from heavy-flavour decay and charged hadrons, with the ALICE detector at the LHC. This…

High Energy Physics - Experiment · Physics 2019-08-13 E. Pereira de Oliveira Filho

These proceedings summarize the LHCb measurements of charm- and beauty-hadron production in pPb collisions. The studies are made down to very low-\pt of the observed heavy-flavor hadrons using fully reconstructed decays. Nuclear matter…

High Energy Physics - Experiment · Physics 2019-02-15 Yanxi Zhang

The ALICE Collaboration at the LHC studies heavy-ion collisions to investigate the properties of the Quark-Gluon Plasma (QGP). Heavy quarks (charm and beauty) are effective probes for this purpose. Both their energy loss in the medium as…

Nuclear Experiment · Physics 2019-08-13 Martin Völkl

Recent experimental measurements on open charm production in proton-proton, proton (deuteron)-nucleus and nucleus-nucleus collisions at RHIC are reviewed. A comparison with theoretical predictions is made. Some unsettled issues in open…

Nuclear Experiment · Physics 2009-11-11 Xin Dong

Some selected topics in photoproduction are reviewed. In particular, the focus is on quasi-real photon-proton scattering as measured at HERA. Single & dijet rates and jet profiles are discussed, as are open charm production and inelastic…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. R. Forshaw

Important goals of RHIC and LHC experiments with ion beams include the creation and study of new forms of matter, such as the Quark Gluon Plasma. Heavy quark production and attenuation will provide unique tomographic probes of that matter.…

High Energy Physics - Phenomenology · Physics 2009-10-09 Magdalena Djordjevic , Miklos Gyulassy , Simon Wicks

Charm and beauty production are probed with the ALICE experiment at the LHC by studying the single lepton transverse momentum distribution (electrons at mid-rapidity, muons at large-rapidities) and D mesons reconstructed in their hadronic…

High Energy Physics - Experiment · Physics 2019-08-13 Z. Conesa del Valle

Production of charmed and beauty mesons and baryons in hadron-nucleon collisions at not very high energy is considered in the framework of the Quark-Gluon String Model. We take into account the possible corrections to the model which…

High Energy Physics - Phenomenology · Physics 2008-02-03 N. Armesto , C. Pajares , Yu. M. Shabelski

Electron spectra measured with ALICE at mid-rapidity are used to study the production of hadrons carrying a charm or a beauty quark. The production cross section of electrons from heavy-flavour hadron decays is measured in pp collisions at…

Nuclear Experiment · Physics 2019-08-13 S. Masciocchi

After a short review of the physics motivations for the study of open heavy flavour production in proton-proton, proton-nucleus and nucleus-nucleus collisions at the LHC, we present results on the expected performance of the ALICE…

Nuclear Experiment · Physics 2019-08-14 A. Dainese

Recent accurate data on F_2(x,Q) and on F_2^c(x,Q) from HERA at small-x require a more precise treatment of charm production in the global QCD analysis of parton distributions. We improve on existing global analyses by implementing the…

High Energy Physics - Phenomenology · Physics 2007-05-23 H. L. Lai , W. K. Tung

We check the impact of the gluon distribution due to the number of active flavor employed in the calculation of heavy-quark deep-inelastic scattering (DIS) electro-production on the reduced cross section and structure functions determined…

High Energy Physics - Phenomenology · Physics 2021-05-11 G. R. Boroun , B. Rezaei

The measurements of inclusive charm and beauty cross sections in deep-inelastic scattering $ep$ collisions at HERA are compared with the predictions of perturbative quantum chromodynamics from the CTEQ and MRST fitting groups, employing a…

High Energy Physics - Phenomenology · Physics 2008-11-26 Paul D. Thompson