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Related papers: Charm production in deep inelastic scattering

200 papers

Charm production as related to the determination of the strange sea density in deep inelastic charged current processes is studied predominantly in the framework of the $\overline{{\rm{MS}}}$ fixed flavor factorization scheme. Perturbative…

High Energy Physics - Phenomenology · Physics 2009-10-28 M. Gluck , S. Kretzer , E. Reya

We analyze the capability of charm production in deep-inelastic ep scattering at HERA to constrain the gluon distribution g(y,\mu^2) of the proton. The dependence of the theoretical predictions for the charm structure function F_2^c on the…

High Energy Physics - Phenomenology · Physics 2008-02-03 A. Vogt

We explore the feasibility of direct measurements of nuclear gluon densities using heavy-quark production (open charm, beauty) at a future Electron-Ion Collider (EIC). We focus on the regions x > 0.3 (EMC effect) and x ~ 0.05-0.1…

High Energy Physics - Phenomenology · Physics 2016-09-01 E. Chudakov , D. Higinbotham , Ch. Hyde , S. Furletov , Yu. Furletova , D. Nguyen , M. Stratmann , M. Strikman , C. Weiss , R. Yoshida

A next-to-leading order analysis of inelastic electroproduction of charm is performed using an interpolating scheme which maps smoothly onto massless QCD evolution at large Q^2 and photon-gluon fusion at small Q^2. In contrast with earlier…

High Energy Physics - Phenomenology · Physics 2010-03-26 F. M. Steffens , W. Melnitchouk , A. W. Thomas

I discuss few selected topics in heavy flavour photoproduction at HERA which require large integrated luminosity in order to be experimentally investigated. I present phenomenological predictions for bottom production. As a possible…

High Energy Physics - Phenomenology · Physics 2007-05-23 S. Frixione

The prospects of a direct extraction of the proton's gluon density in next-to-leading order via jet rates in deeply inelastic scattering are studied. The employed method is based on the Mellin transform, and can be applied, in principle, to…

High Energy Physics - Phenomenology · Physics 2007-05-23 D. Graudenz , M. Hampel , A. Vogt

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

The diffractive production of open charm in deep-inelastic scattering is studied in the semiclassical approach which has been proposed recently. In this approach, the leading order process contains a charm quark pair and an additional gluon…

High Energy Physics - Phenomenology · Physics 2009-02-20 W. Buchmueller , A. Hebecker , M. F. McDermott

We discuss the calculation of $F_2^{\gamma}({\rm charm})$ to next-to-leading order (NLO) in QCD, including contributions from both hadronlike and pointlike photons. We show that the former dominates strongly below $x\simeq 0.01$, and the…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Laenen , S. Riemersma

Charm production in deep inelastic ep scattering was measured with the ZEUS detector using an integrated luminosity of 354 pb^{-1}. Charm quarks were identified by reconstructing D^{+} mesons in the D^{+} -> K^{-} pi^{+} pi^{+} decay…

High Energy Physics - Experiment · Physics 2013-02-21 ZEUS Collaboration

Measurements of open charm production at HERA are reviewed. The paper covers both photoproduction and Deep Inelastic Scattering measurements from the ZEUS and H1 collaborations.

High Energy Physics - Experiment · Physics 2009-10-30 G. P. Heath

The results of a recent next-to-leading order QCD analysis of the world data on polarized deep inelastic scattering are reported. New parameterizations are derived for the quark and gluon distributions, accounting for the massive Wilson…

High Energy Physics - Phenomenology · Physics 2015-05-20 Johannes Blümlein , Helmut Böttcher

We compare different schemes for the treatment of heavy quark production in Deep-Inelastic Scattering (DIS). For fully-integrated quantities such as $F_{2}(x,Q^{2})$, we advocate the use of the General-Massive Variable-Flavor-Number…

High Energy Physics - Phenomenology · Physics 2009-10-30 Carl R. Schmidt

Charm production in charged current deep inelastic scattering has been measured for the first time in $e^{\pm}p$ collisions, using data collected with the ZEUS detector at HERA, corresponding to an integrated luminosity of $358 pb^{-1}$.…

The production of $D^{*\pm}$ mesons in deep inelastic $ep$ scattering has been measured for exchanged photon virtualities $ 5<Q^2<1000 \gev^2 $, using an integrated luminosity of 363 pb$^{-1}$ with the ZEUS detector at HERA. Differential…

High Energy Physics - Experiment · Physics 2014-01-21 ZEUS Collaboration

A QCD analysis of jet production in deep-inelastic scattering is presented. The studies are based on recent measurements of jet cross sections in the H1 experiment at HERA which are directly sensitive to the gluon density in the proton. The…

High Energy Physics - Phenomenology · Physics 2019-08-14 Markus Wobisch

Recent results on the production of open charm in electron proton scattering at HERA are reviewed. Results on the fragmentation of charm are presented and compared to the measurements at e+e- colliders. Recent results on the charm…

High Energy Physics - Experiment · Physics 2019-08-14 Jeannine Wagner

The measurements of the hadronic final state in deep inelastic scattering at HERA are reviewed and discussed in the context of QCD. Covered are the general event properties in terms of energy flows, charged particle production, and charm…

High Energy Physics - Phenomenology · Physics 2009-09-25 Michael Kuhlen

First results on inclusive D0 and D* production in deep inelastic $ep$ scattering are reported using data collected by the H1 experiment at HERA in 1994. Differential cross sections are presented for both channels and are found to agree…

High Energy Physics - Experiment · Physics 2008-11-26 S. Aid

A QCD analysis of the world data on polarized deep inelastic scattering is presented in leading and next-to-leading order. New parameterizations are derived for the quark and gluon distributions for the kinematic range $x \epsilon…

High Energy Physics - Phenomenology · Physics 2016-09-06 J. Blümlein , H. Böttcher