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Related papers: QCD and models on multiplicities in $e^+e^-$ and $…

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Longstanding puzzles in spin physics can be confronted at the high energies of the LHC. Will large s-quark and c-quark polarization be observed through heavy hyperon production? Top quarks are expected to have significant polarization -…

High Energy Physics - Phenomenology · Physics 2022-03-02 Gary R. Goldstein , Simonetta Liuti

Analysis of experimental kinetic dependences and results of the computer modeling of pairwise interactions in the heterogeneous system have shown that a character of its fractal property variation in the evolution process would be different…

Adaptation and Self-Organizing Systems · Physics 2007-05-23 K. S. Baktybekov , S. G. Karstina , E. N. Vertyagina , A. A. Baratova

This is a review of the parton cascade model (PCM) which provides a QCD-based description of nucleus-nucleus reactions at very high energy. The PCM describes the collision dynamics within the early and dense phase of the reaction in terms…

Nuclear Theory · Physics 2007-05-23 Berndt Müller

Entropy production in multiparticle systems is investigated by analysing the experimental data on ion-ion collision at AGS and SPS energies and comparing the findings with those reported earlier for hadron-hadron, hadron-nucleus and…

High Energy Physics - Phenomenology · Physics 2018-04-16 Shaista Khan , Shakeel Ahmad

We outline theoretical ideas on the soft and hard dynamics of strong high-energy interactions and discuss promising directions for future high-energy experimental investigations including the ones which would allow one to reveal the…

High Energy Physics - Phenomenology · Physics 2015-06-25 L. Frankfurt , M. Strikman

Small system collectivity observed at the LHC energies along with enhancement of strangeness makes high-multiplicity proton+proton (pp) collisions very interesting in order to look for QGP-like features, usually found in heavy-ion…

High Energy Physics - Phenomenology · Physics 2021-01-26 Arvind Khuntia , Sushanta Tripathy , Ashish Bisht , Raghunath Sahoo

The reach of collider energies in heavy-ion collisions has profoundly changed our understanding of QCD under extreme conditions. I review some these new developments and comment on the properties of the produced medium as extracted from…

High Energy Physics - Phenomenology · Physics 2007-12-03 Carlos A. Salgado

We perform a systematic comparison of the statistical model parametrization of hadron abundances measured in high energy pp, AA and e+e- collisions. The basic aim of the study is to test if the quality of the description depends on the…

High Energy Physics - Phenomenology · Physics 2014-11-20 F. Becattini , P. Castorina , A. Milov , H. Satz

Despite a wealth of experimental data for high-P_T processes in heavy-ion collisions, discriminating between different models of hard parton-medium interactions has been difficult. A key reason is that the pQCD parton spectrum at RHIC is…

High Energy Physics - Phenomenology · Physics 2015-05-28 Thorsten Renk , Jussi Auvinen , Kari J. Eskola , Ulrich Heinz , Hannu Holopainen , Risto Paatelainen , Chun Shen

We compare the numerical predictions for heavy quark production in high energy hadron collisions in the conventional QCD parton model and the k_T-factorization approach (semihard theory). The total production cross sections, one-particle…

High Energy Physics - Phenomenology · Physics 2007-05-23 M. G. Ryskin , Yu. M. Shabelski , A. G. Shuvaev

We present predictions for the pseudo-rapidity density of charged particles produced in central Pb-Pb collisions at the LHC. Particle production in such collisions is calculated in the framework of k_t-factorization. The nuclear…

High Energy Physics - Phenomenology · Physics 2008-11-26 Javier L. Albacete

The multiple hadron production in the events induced by the heavy primary quarks in $e^+e^-$ annihilation is reconsidered with account of corrected experimental data. New value for the multiplicity in $b\bar{b}$ events is presented on the…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. V. Kisselev , V. A. Petrov

The mass dependence plays a significant role in the yield enhancement or suppression of hadrons in pp and p-Pb collisions at the LHC energies. This has been observed by parameterizing the variation of yield ratios between any two hadrons…

Nuclear Experiment · Physics 2019-11-26 S. Sahoo , R. C. Baral , P. K. Sahu , M. K. Parida

As shown recently, one can obtain additional information from the measured multiplicity distributions, $P(N)$, by extracting the so-called modified combinants, $C_j$. This information is encoded in their specific oscillatory behavior, which…

High Energy Physics - Phenomenology · Physics 2020-01-29 H. W. Ang , M. Ghaffar , A. H. Chan , M. Rybczyński , G. Wilk , Z. Włodarczyk

We show that in high energy nucleus-nucleus collisions the transverse energy or multiplicity distribution P_C, associated to the production of a rare, unabsorbed event C, is universally related to the standard or minimum bias distribution P…

High Energy Physics - Phenomenology · Physics 2009-10-30 J. Dias de Deus , C. Pajares , C. A. Salgado

The study of the singularities and zeros of the generating functions of multiplicity distributions is advocated. Some hints from well known probability distributions and experimental data are given. The statistical mechanics analogies…

High Energy Physics - Phenomenology · Physics 2007-05-23 I. M. Dremin

Predictions for particle production at LHC are discussed in the context of the statistical model. Moreover, the capability of particle ratios to determine the freeze-out point experimentally is studied, and the best suited ratios are…

High Energy Physics - Phenomenology · Physics 2007-07-10 I Kraus , J Cleymans , H Oeschler , K Redlich , S Wheaton

Starting from the light-cone plasma (LCP) distribution of gluons produced in proton-proton collisions, we derive the invariant charged-particle yield dN/dyd^2pT in heavy-ion collisions. Multiple scattering of partons in the other nucleus…

Nuclear Theory · Physics 2013-05-16 H. J. Pirner , K. Reygers , B. Z. Kopeliovich

The quantum statistical parton distributions approach proposed more than one decade ago is revisited by considering a larger set of recent and accurate Deep Inelastic Scattering experimental results. It enables us to improve the description…

High Energy Physics - Phenomenology · Physics 2015-12-09 Claude Bourrely , Jacques Soffer

Using the experimental data from the STAR, PHENIX, ALICE and CMS programs on the rapidity and energy dependence of the $p_T$ spectra in p+p collisions, we show that a universal distribution exists. The energy dependence of temperature $T$…

Nuclear Theory · Physics 2015-10-28 H. Zheng , Lilin Zhu , A. Bonasera
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