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Related papers: Heavy quark production and spectroscopy at HERA

200 papers

Heavy quarks, produced in hard parton scatterings in the early stage of ultra-relativistic heavy-ion collisions, are ideal probes to investigate the properties of the Quark--Gluon Plasma (QGP) produced in such collisions. Measurements of…

High Energy Physics - Experiment · Physics 2021-06-02 Auro Mohanty

Recent results on open charm production at HERA are presented. Charm quarks are identified via the reconstruction of D-mesons. The charm contribution to the proton structure function is shown. Evidence for an exotic anti-charmed baryon…

High Energy Physics - Experiment · Physics 2019-08-14 K. Lipka

A summary of results in heavy flavour physics from Run 1 of the LHC is presented. Topics discussed include spectroscopy, mixing, CP violation and rare decays of charmed and beauty hadrons.

High Energy Physics - Experiment · Physics 2015-06-09 T. Gershon , M. Needham

Measurement of heavy quark production is one of the tools used to investigate the matter produced in extremely hot and dense conditions in heavy ion collisions at RHIC. The PHENIX experiment has measured mid-rapidity transverse momentum…

High Energy Physics - Experiment · Physics 2019-08-14 Cesar Luiz Silva

Precision studies of flavour-changing processes involving quarks and leptons provide a number of ways to improve knowledge of the Standard Model and search for physics beyond it. There are excellent short- and mid-term prospects for…

High Energy Physics - Experiment · Physics 2025-05-07 The ATLAS Collaboration , Belle II Collaboration , CMS Collaboration , LHCb Collaboration

We review theoretical and phenomenological aspects of heavy flavour production as discussed in the heavy flavour working group of the DIS 2012. Recent theoretical progress includes approximate NNLO calculations for heavy quark structure…

High Energy Physics - Phenomenology · Physics 2012-08-17 Jolanta Brodzicka , Massimo Corradi , Ingo Schienbein , Reinhard Schwienhorst

This talk serves as an introduction to the Heavy-Flavor session of the XXXIII International Symposium on Multiparticle Dynamics. A major focus of this session is on the production of heavy quarks. The talks which follow review the latest…

High Energy Physics - Experiment · Physics 2008-11-26 Jeffrey A. Appel

In the hadroproduction of charm (or heavy flavours in general) in the context of string fragmentation, the pull of a beam remnant at the other end of a string may give a charm hadron more energy than the perturbatively produced one. The…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Norrbin

In recent years, PHENIX has studied many important observables related to heavy-flavor physics through their leptonic decay measurements including the invariant yield of electrons from nonphotonic sources, and prompt single muons, both of…

Nuclear Experiment · Physics 2019-08-21 Marisilvia Donadelli

Proton-proton collisions at the LHC provide the ground for tests of the strong interactions through the study of the production mechanisms for quarkonia and hadrons containing charm or beauty flavours. This review addresses recent results…

High Energy Physics - Experiment · Physics 2017-11-27 Sandro Palestini

Heavy quarks are produced early in the relativistic heavy ion collisions, and provide an excellent probe into the hot and dense nuclear matter created at RHIC. In these proceedings, we will discuss recent STAR measurements of heavy flavor…

Nuclear Experiment · Physics 2015-06-03 Gang Wang

We review measurements of open beauty production at HERA, with emphasis on recent results based on lifetime signatures. The beauty cross sections in photoproduction and deep-inelastic scattering are found to be higher than expected in QCD…

High Energy Physics - Experiment · Physics 2008-11-26 Felix Sefkow

We consider the transverse-momentum distribution of heavy flavours in photon-hadron collisions. We present a formalism in which large transverse-momentum logarithms are resummed to the next-to-leading level, and mass effects are included…

High Energy Physics - Phenomenology · Physics 2010-02-03 M. Cacciari , S. Frixione , P. Nason

Deep-inelastic production of heavy quarks at HERA, especially charm, is an excellent signal to measure the gluon distribution in the proton at small $x$ values. By measuring various differential distributions of the heavy quarks this…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Laenen , M. Buza , B. W. Harris , Y. Matiounine , R. Migneron , S. Riemersma , J. Smith , W. L. van Neerven

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

We study the diffractive production of high pt photons at HERA. We have implemented the process as a new hard sub-process in the HERWIG event generator in order to prepare the ground for a future measurement.

High Energy Physics - Phenomenology · Physics 2008-11-26 B E Cox , J R Forshaw

New results on charm quark production at HERA in an increased phase space in deep-inelastic scattering and photoproduction are discussed. Single & double-differential cross section distributions are compared to next-to-leading order QCD…

High Energy Physics - Experiment · Physics 2011-04-28 Andreas Werner Jung

Recent results on spectroscopy and the measurement of hadronic final states in ep collisions from the H1 and ZEUS collaborations are presented using data sets with an integrated luminosity between 44 and 121 pb^-1 collected during the HERA…

High Energy Physics - Experiment · Physics 2007-06-01 Carsten Schmitz

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

Using the recombination model (RM) extended to the heavy flavor scenario, we investigate the production of charmed mesons, i.e., $D^0$, $D_s^+$ and $J/\psi$, in Pb+Pb collisions at $\sqrt{s_{NN}}=2.76$ and 5.02 TeV at the CERN Large Hadron…

High Energy Physics - Phenomenology · Physics 2025-03-07 Jingzong Zhang , Huanjing Gong , Hua Zheng , Wei Dai , Lilin Zhu