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

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We compute the centrality dependence of multiplicities of particles produced in ultrarelativistic nuclear collisions at various energies and atomic numbers. The computation is carried out in perturbative QCD with saturated densities of…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. J. Eskola , K. Kajantie , K. Tuominen

The multihadron production in nucleus-nucleus collisions and its interrelation with that in (anti)proton-proton interactions are studied by exploring the charged particle mean multiplicity collision-energy and centrality dependencies in the…

High Energy Physics - Phenomenology · Physics 2016-04-05 Edward K. G. Sarkisyan , Aditya Nath Mishra , Raghunath Sahoo , Alexander S. Sakharov

Predictions of a thermodynamical model of hadron production for multiplicity distributions in $e^+e^-$ annihilations at LEP and PEP-PETRA centre of mass energies are shown. The production process is described as a two-step process in which…

High Energy Physics - Phenomenology · Physics 2008-11-26 F. Becattini , A. Giovannini , S. Lupia

The centrality dependence of the charged multiplicity, transverse energy, and elliptic flow coefficient is studied in a hydrodynamic model, using a variety of different initializations which model the initial energy or entropy production…

High Energy Physics - Phenomenology · Physics 2009-10-09 P. F. Kolb , U. Heinz , P. Huovinen , K. J. Eskola , K. Tuominen

This paper contains a review of the main results of a search of regularities in collective variables properties in multiparticle dynamics, regularities which can be considered as manifestations of the original simplicity suggested by QCD.…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Giovannini , R. Ugoccioni

The solution of QCD equations for generating functions of multiplicity distributions reveals new peculiar features of cumulant moments oscillating as functions of their rank. This prediction is supported by experimental data on $e^{+}e^{-},…

High Energy Physics - Phenomenology · Physics 2009-09-25 I. M. Dremin

We compute the particle multiplicities and transverse energies at central and nearly central AA collisions at RHIC and LHC. The initial state is computed from perturbative QCD supplemented by the conjecture of saturation of produced…

High Energy Physics - Phenomenology · Physics 2014-11-17 K. J. Eskola , P. V. Ruuskanen , S. S. Rasanen , K. Tuominen

I discuss various QCD tests for multiparticle production, such as multiplicities, dead-cone effect and inclusive spectra. The common feature of all these predictions is the crucial importance of coherence effect to be taken into account.

High Energy Physics - Phenomenology · Physics 2007-05-23 O. Passon

Analytical formula for multiplicity distribution is derived in the QO approach, where chaotic and coherent fields are contained. Observed charged multiplicity distributions in Au+Au collisions at $\sqrt{s}=200$ AGeV and in pp collisions at…

High Energy Physics - Phenomenology · Physics 2013-03-26 Naomichi Suzuki , Minoru Biyajima , Takuya Mizoguchi

We present predictions for total multiplicities and single inclusive particle production in proton-lead collisions at the LHC. The main dynamical input in our calculations is the use of solutions of the running coupling BK equation tested…

High Energy Physics - Phenomenology · Physics 2012-11-21 Javier L. Albacete , Adrian Dumitru , Hirotsugu Fujii , Yasushi Nara

Parton luminosities are convenient for estimating how the physics potential of Large Hadron Collider experiments depends on the energy of the proton beams. I present parton luminosities, ratios of parton luminosities, and contours of fixed…

High Energy Physics - Phenomenology · Physics 2009-09-08 Chris Quigg

Experimental findings of CMS on properties of jets and underlying events at high multiplicities in proton-proton interactions at 7 TeV are interpreted as an indication of increasing role of central collisions with small impact parameters.…

High Energy Physics - Phenomenology · Physics 2015-06-18 M. Yu. Azarkin , I. M. Dremin , M. Strikman

The charged-particle multiplicity distribution and its moments have been measured, for all hadronic as well as for light-quark and b-quark events in e+e- collisions at the Z mass. The Hq moments derived from the charged-particle…

High Energy Physics - Experiment · Physics 2007-05-23 D. J. Mangeol

Magnetic fields are everywhere in the Universe and in our everyday life and many processes are affected by their presence, generating a rich phenomenology that depends also on other possible external agents. We review here some results,…

High Energy Physics - Phenomenology · Physics 2023-06-16 Gabriella Piccinelli , Angel Sanchez , Jorge Jaber-Urquiza

Continuing previous work, forward-backward multiplicity correlations are studied in asymmetric collisions in the framework of the weighted superposition mechanism of different classes of events. New parameters for the asymmetric clan…

High Energy Physics - Phenomenology · Physics 2008-11-26 A. Giovannini , R. Ugoccioni

In inelastic $p+p$ collisions, the interacting objects are quarks and gluons (partons). It is believed that there are multiple interactions between the partons in a single $p+p$ event. Recent studies of multiplicity dependence of particle…

High Energy Physics - Phenomenology · Physics 2020-05-21 Suman Deb , Dhananjaya Thakur , Sudipan De , Raghunath Sahoo

The average charged hadron multiplicity in the $e^+e^-$ events with the primary $t\bar{t}$-pair at the collision energy 500 GeV, as well as the average multiplicity of charged hadrons from the top quark are calculated in QCD to be $86.7 \pm…

High Energy Physics - Phenomenology · Physics 2011-01-13 A. V. Kisselev , V. A. Petrov

We investigate the distributions of quantum coherence characterized by superadditivity relations in multipartite quantum systems. General superadditivity inequalities based on the $\alpha$th ($\alpha\geqslant 1$) power of $l_1$ norm of…

Quantum Physics · Physics 2021-05-11 Xianfei Qi , Ting Gao , Fengli Yan

It is unusual to find QCD factorization explained in the language of quantum information science. However, we will discuss how the issue of factorization and its breaking in high-energy QCD processes relates to phenomena like decoherence…

Quantum Physics · Physics 2021-08-30 C. A. Aidala , T. C. Rogers

Results on the production of $\pi^{\pm}$, $\textrm{K}^{\pm}$, $\textrm{p}(\bar{\textrm{p}})$, $\Lambda(\bar{\Lambda})$, $\Xi^{-} \left(\bar{\Xi}^{+}\right)$ and $\Omega^{-} \left(\bar{\Omega}^{+}\right)$ at midrapidity (${|y|<0.5}$) as a…

High Energy Physics - Experiment · Physics 2016-09-14 Vytautas Vislavicius