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The PHOBOS's limiting fragmentation etc. three empirical scaling rules for charged multiplicity in $Au+Au$ collisions at RHIC are investigated by a hadron and string cascade model LUCIAE. Similar studies are performed for the $\phi$ meson…

Nuclear Theory · Physics 2007-05-23 Ben-Hao Sa , Zong-Di Su , An Tai , Dai-Mei Zhou

The $p_T$ distributions of the $K^0$- and $\phi$ - mesons produced in the $pp$ collisions at $\sqrt{s}=2.76 TeV$ have been analyzed by fitting them using the exponential function. It was observed that the distributions contain several $p_T$…

High Energy Physics - Phenomenology · Physics 2023-08-16 Mais Suleymanov

We present a system size and energy dependence of $\phi$ meson production in Cu+Cu and Au+Au collisions at $\sqrt{s_{NN}}$=62.4 GeV and 200 GeV measured by the STAR experiment at RHIC. We find that the number of participant scaled $\phi$…

Nuclear Experiment · Physics 2008-11-26 J. H. Chen

Using a hadron and string cascade model, JPCIAE, we investigated the dependence of event-by-event charge fluctuation on the energy, centrality, window size, resonance decay, and the final state interaction for $Pb+Pb$ collisions at SPS and…

Nuclear Theory · Physics 2009-11-07 Ben-Hao Sa , Xu Cai , Zong-Di Su , An Tai , Dai-Mei Zhou

Using a hadron-string cascade model LUCIAE, the $\phi$ meson production in heavy ion collisions (Pb+Pb) and elementary collisions (p+p) were studied systematically. Within the framework of the model, the experimentally measured $\phi$…

Nuclear Theory · Physics 2009-11-07 Ben-Hao Sa , Amand Faessle , C. Fuchs , An Tai , Nu Xu

Using a hadron and string cascade model, JPCIAE, the energy and centrality dependences of charged particle pseudorapidity density in relativistic nuclear collisions were studied. Within the framework of this model, both the relativistic…

Nuclear Theory · Physics 2009-11-07 Ben-Hao Sa , A. Bonasera , An Tai , Dai-Mei Zhou

We report the multiplicity dependence of charged particle productions for $\pi^{\pm}$, $K^{\pm}$, $p$, $\overline{p}$ and $\phi$ meson at $|y| < 1.0$ in p+p collisions at $\sqrt{\rm s}$ = 200 GeV with $\rm PYTHIA$ simulation. The impact of…

High Energy Physics - Phenomenology · Physics 2019-09-30 Shenghui Zhang , Long Zhou , Yifei Zhang , Mingwei Zhang , Cheng Li , Ming Shao , Yongjie Sun , Zebo Tang

The recent results in \sqrt{s}=2.76 TeV Pb+Pb collisions at the Large Hadron Collider (LHC) reported by the ALICE collaboration shows that the power-law energy-dependence of charged hadron multiplicity in Pb+Pb collisions is significantly…

High Energy Physics - Phenomenology · Physics 2011-06-09 Eugene Levin , Amir H. Rezaeian

We report predictions for the transverse momentum ($p_T$) spectra of $\pi^{\pm}$, $K^{\pm}$, $p$, and $\bar{p}$ in various collision centrality from Au + Au collisions at beam energies ($E_{lab}$) of 6.7, 8, 11, and 25 A~GeV using a…

Nuclear Theory · Physics 2026-04-08 Towseef Bhat , Vipul Bairathi , Lokesh Kumar , Sonia Kabana

We present, the measurements of the $\phi$-meson production and elliptic flow ($v_{2}$) at mid-rapidity in Au + Au collisions at $\sqrt{s_{NN}}$ = 7.7 - 200 GeV using the STAR detector in the years 2010 and 2011. The energy dependence of…

Nuclear Experiment · Physics 2013-06-13 Md. Nasim

The energy dependence of multiplicity fluctuations was studied for the most central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV by the NA49 experiment at the CERN SPS. The multiplicity distribution for negatively and positively…

Nuclear Experiment · Physics 2008-11-26 Benjamin Lungwitz

Multiplicity fluctuations of positively, negatively and all charged hadrons in the forward hemisphere were studied in central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV. The multiplicity distributions and their scaled variances are…

Nuclear Experiment · Physics 2013-05-29 The NA49 Collaboration , B. Lungwitz

The production of $\phi$ mesons has been studied in pp collisions at LHC energies with the ALICE detector via the dimuon decay channel in the rapidity region $2.5 < y < 4$. Measurements of the differential cross section ${\rm…

Nuclear Experiment · Physics 2022-04-07 ALICE Collaboration

Calculations of the production rate of particles with $x>1$ in nuclear collisions due to the interaction of colour strings are presented. Momentum and colour sum rules are used to determine the fragmentation functions of fused strings.…

High Energy Physics - Phenomenology · Physics 2009-01-07 M. A. Braun , E. G. Ferreiro , F. del Moral , C. Pajares

We study the beam-energy and system-size dependence of \phi meson production (using the hadronic decay mode \phi -- K+K-) by comparing the new results from Cu+Cu collisions and previously reported Au+Au collisions at \sqrt{s_NN} = 62.4 and…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

We show that the dependence of the charged particle multiplicity on the centre-of-mass energy of the collision is, in the String Percolation Model, driven by the same power law behavior in both proton-proton and nucleus- nucleus collisions.…

Nuclear Theory · Physics 2015-06-04 Irais Bautista , Jorge Dias de Deus , José Guilherme Milhano , Carlos Pajares

Phi meson production is studied by the NA49 Collaboration in central Pb+Pb collisions at 20A, 30A, 40A, 80A and 158A GeV beam energy. The data are compared with measurements at lower and higher energies and to microscopic and thermal…

Results on $\Lambda$, $\bar{\Lambda}}$, $\Xi^{-}$, and $\bar{\Xi}^{+}$ production in central Pb+Pb reactions at 20A, 30A, 40A, 80A, and 158A GeV are presented. The energy dependence of transverse mass spectra, rapidity spectra, and…

Nuclear Experiment · Physics 2012-08-27 NA49 Collaboration

We present simulation results of net charge fluctuation in $Au+Au$ collisions at $\sqrt{s_{nn}}$=130 GeV from a dynamic model, JPCIAE. The calculations are done for the quark-gluon phase before hadronization, the pion gas, the resonance…

Nuclear Theory · Physics 2018-01-17 Ben-Hao Sa , Xu Cai , an Tai , Zhong-Qi Wang , Dai-Mei Zhou

Multiparticle production at high energies is described in terms of color strings stretched between the projectile and target. As the string density increases, overlap in the transverse plane leads to cluster formation. At some critical…

Nuclear Experiment · Physics 2008-11-26 Terence Tarnowsky , Rolf Scharenberg , Brijesh Srivastava
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