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We know that `our' Universe consists of `known' matter only $\sim$ 4.5\%: our understanding is incomplete seeing directly in neutrino oscillations (never mind about `other' Universes). Charm quarks had great impact on our understanding of…

High Energy Physics - Phenomenology · Physics 2015-07-01 Ikaros I. Bigi

Charm quarks are expected to be produced mainly by the photon-gluon fusion mechanism in photon-Nucleon interactions. However, a small part of the total charm cross section originates in similar processes to those appearing in charm…

High Energy Physics - Phenomenology · Physics 2007-05-23 E. Cuautle , G. Herrera , J. Magnin , A. Sanchez-Hernandez

Strong decays of charmed baryons are analyzed in the framework of heavy hadron chiral perturbation theory (HHChPT) in which heavy quark symmetry and chiral symmetry are synthesized. HHChPT works excellently for describing the strong decays…

High Energy Physics - Phenomenology · Physics 2008-11-26 Hai-Yang Cheng , Chun-Khiang Chua

We propose two new analysis strategies for studying charm and beauty quarks at colliders. The first strategy is aimed at testing the kinematics of heavy-flavor quarks within an identified jet. Here, we use the SoftDrop jet-declustering…

High Energy Physics - Phenomenology · Physics 2017-09-27 Philip Ilten , Nicholas L. Rodd , Jesse Thaler , Mike Williams

The $p_\mathrm{T}$-differential production cross sections of prompt and non-prompt (produced in beauty-hadron decays) D mesons were measured by the ALICE experiment at midrapidity ($|y|<0.5$) in proton--proton collisions at…

Nuclear Experiment · Physics 2021-08-27 ALICE Collaboration

Production of open and hidden charm hadrons in heavy ion collisions is considered within the statistical coalescence model. The charmed quark-antiquark pairs are assumed to be created at the initial stage of the reaction in hard parton…

High Energy Physics - Phenomenology · Physics 2009-11-07 A. P. Kostyuk

We describe a newly formulated approach to account for charm production and decay in Statistical Hadronization approach. Considering Pb--Pb collisions at $\sqrt{s_{NN}} = 2.76$ TeV at LHC we show that charm hadron decays can be a…

High Energy Physics - Phenomenology · Physics 2015-06-17 M. Petráň , J. Letessier , V. Petráček , J. Rafelski

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

Using the Monte Carlo HYDJET++ model, the transverse momentum ($p_{T}$) spectra of heavy hadrons ($D^{0}$, $\overline{D}^{0}$, $D^{+}$, $D^{-}$ and $\Lambda_{c}$), as well as the nuclear modification factors of $D^{0}$ and $D^{\pm}$,…

High Energy Physics - Phenomenology · Physics 2026-01-14 Sunidhi Saxena , Rajiv Gupta , Gauri Devi , Ajay Kumar

Studies on the production of open charm hadrons are of paramount importance to investigate the charm-quark hadronisation mechanisms at the LHC, particularly through the evolution of the production ratio between different charm-hadron…

Nuclear Experiment · Physics 2021-05-18 Luuk Vermunt

The azimutal correlations of heavy quarks produced in the high energy $pp$ ($p\bar{p}$) collisions are calculated in the framework of QCD without the usual assumptions of the parton model. The virtual nature of the interacting gluons as…

High Energy Physics - Phenomenology · Physics 2011-01-25 Yu. M. Shabelski , A. G. Shuvaev

Charmonium production in high-energy collisions can be split into a prompt and a non-prompt component. Both components can be distinguished experimentally by studying displaced topology, and represent valuable tools to investigate the…

Nuclear Experiment · Physics 2025-01-03 Maurice Coquet

Hadron spectroscopy provides direct physical measurements that shed light on the non-perturbative behavior of quantum chromodynamics (QCD). In particular, various exotic hadrons such as the newly observed $T_{cc}^+$ by the LHCb…

High Energy Physics - Phenomenology · Physics 2022-01-05 Yuanyuan Hu , Jinfeng Liao , Enke Wang , Qian Wang , Hongxi Xing , Hui Zhang

In this contribution, the latest results for measurements of charm baryons in proton--proton collisions at $\sqrt{s}=5.02$ and $13\,\mathrm{TeV}$ are presented. The production yields of $\Lambda_\mathrm{c}^{+}$, $\Xi_\mathrm{c}^{0,+}$,…

High Energy Physics - Experiment · Physics 2022-05-17 Jeremy Wilkinson

Measurements of heavy quark production, particularly from HERA, their theoretical understanding and their relevance for the LHC are reviewed. The status of beauty and charm production is discussed in the context of the different components…

High Energy Physics - Experiment · Physics 2007-05-23 Matthew Wing

We investigate hadron production and attenuation of hadrons with strange and charm quarks (or antiquarks) as well as high transverse momentum hadrons in relativistic nucleus-nucleus collisions from 2 AGeV to 21.3 ATeV within two independent…

Nuclear Theory · Physics 2015-06-26 W. Cassing , K. Gallmeister , E. L. Bratkovskaya , C. Greiner , H. Stöcker

The comparison of angular correlations between charmed mesons and charged hadrons produced in pp, p-Pb and Pb-Pb collisions can give insight into the mechanisms through which charm quarks lose energy in a QGP medium, produced in…

High Energy Physics - Experiment · Physics 2019-08-13 Fabio Colamaria

It is well known that in $b$ hadron decays with a single unreconstructible final state particle, the decay kinematics can be solved up to a quadratic ambiguity, without any knowledge of the $b$ hadron momentum. We present a method to infer…

High Energy Physics - Experiment · Physics 2017-02-15 G. Ciezarek , A. Lupato , M. Rotondo , M. Vesterinen

After a brief survey of the remarkable accomplishments of the current heavy ion collision experiments up to 200A GeV, we address in depth the role of strange particle production in the search for new phases of matter in these collisions. In…

Nuclear Theory · Physics 2021-05-24 Johann Rafelski , Jean Letessier , Ahmed Tounsi

The first period of the Tevatron Run II has been dominated by low-Pt physics. Both detectors, and their trigger/DAQ systems have been largely modified to exploit as much as possible the large wealth of charm and beauty hadrons produced by…

High Energy Physics - Experiment · Physics 2009-09-29 Mario Campanelli