English
Related papers

Related papers: A combined model for pseudorapidity distributions …

200 papers

The charged-particle's final state spectrum is derived from an analytic perturbative solution for the relativistic viscous hydrodynamics. By taking into account the longitudinal acceleration effect in relativistic viscous hydrodynamics, the…

Nuclear Theory · Physics 2018-12-05 Ze Fang Jiang , C. B. Yang , Chi Ding , Xiang-Yu Wu

We propose a new revised Landau hydrodynamic model to study systematically the pseudorapidity distributions of charged particles produced in heavy ion collisions over an energy range from a few GeV to a few TeV per nucleon pair. The…

Nuclear Experiment · Physics 2015-09-30 Li-Na Gao , Fu-Hu Liu

HIJING generator simulation of nucleus-nucleus collisions at ultrarelativistic energies are presented. Is shown, that the global characteristics of nucleus-nucleus collisions, such as of distribution of a charge multiplicity, total and…

High Energy Physics - Phenomenology · Physics 2014-11-17 M. V. Savina , S. V. Shmatov , N. V. Slavin , P. I. Zarubin

It is widely believed that the quark-gluon plasma (QGP) might be formed in the current heavy ion collisions. It is also widely recognized that the relativistic hydrodynamics is one of the best tools for describing the process of expansion…

Nuclear Theory · Physics 2017-02-06 Zhi-Jin Jiang , Jia-Qi Hui , Yu Zhang

The dependencies of charged particle pseudorapidity density and transverse energy pseudorapidity density at midrapidity on the collision energy and on the number of nucleon participants, or centrality, measured in nucleus-nucleus collisions…

High Energy Physics - Phenomenology · Physics 2015-04-01 Aditya Nath Mishra , Raghunath Sahoo , Edward K. G. Sarkisyan , Alexander S. Sakharov

Charged particles produced in Cu+Cu collisions at \sqrt{s_{NN}} = 200 and 62.4 GeV have been measured in the PHOBOS experiment at RHIC. The comparison of the results for Cu+Cu and Au+Au for the most central collisions at the same energy…

Nuclear Experiment · Physics 2009-11-11 Rachid Nouicer

We present charged particle densities as a function of pseudorapidity and collision centrality for the 197Au+197Au reaction at Sqrt{s_NN}=200 GeV. For the 5% most central events we obtain dN_ch/deta(eta=0) = 625 +/- 55 and N_ch(-4.7<= eta…

Nuclear Experiment · Physics 2011-08-19 BRAHMS Collaboration , I. G. Bearden

Pseudorapidity distributions of charged particles emitted in $Au+Au$, $Cu+Cu$, $d+Au$, and $p+p$ collisions over a wide energy range have been measured using the PHOBOS detector at RHIC. The centrality dependence of both the charged…

The revised (three-source) Landau hydrodynamic model is used in this paper to study the (pseudo)rapidity distributions of charged particles produced in proton-proton and proton-antiproton collisions at high energies. The central source is…

Nuclear Theory · Physics 2015-12-03 Li-Na Gao , Fu-Hu Liu

The centrality dependence of pseudorapidity distributions for charged particles produced in Au+Au collisions at $\sqrt{s_{NN}}=130$ GeV and 200 GeV at RHIC, and in Pb+Pb collisions at $\sqrt{s_{NN}}=2.76$ TeV at LHC are investigated in the…

Nuclear Theory · Physics 2017-10-13 Y. Gao , H. Zheng , L. L. Zhu , A. Bonasera

The energy and centrality dependences of charged particle pseudorapidity density in relativistic nuclear collisions were studied using a hadron and string cascade model, JPCIAE. Both the relativistic $p+\bar p$ experimental data and the…

Nuclear Theory · Physics 2018-01-17 Ben-Hao Sa , A. Bonasera , Xu Cai , An Tai , Dai-Mei Zhou

Using numerical holography, we study the collision of a planar sheet of energy with a bounded localized distribution of energy. The collision, which mimics proton-nucleus collisions, produces a localized lump of debris with transverse size…

High Energy Physics - Theory · Physics 2015-12-16 Paul M. Chesler

I define the proton-contributor reference frame in proton nucleus (p--A) collisions as the center of mass of the system formed by the proton and the participant nucleons of the nucleus. Assuming that the rapidity distribution of produced…

High Energy Physics - Phenomenology · Physics 2014-08-15 Gines Martinez-Garcia

The pseudorapidity distributions of charged particles produced in p-Pb collisions and Xe-Xe collisions at LHC energies are described by the revised Landau hydrodynamic model. The research results are in agreement with the experimental data…

High Energy Physics - Phenomenology · Physics 2020-12-02 Li-Na Gao , Zhen-Hu Li , Er-Qin Wang

We study the identified particle ratios produced at mid-rapidity in heavy ion collisions, along with their correlations with the collision energy. We employ our earlier proposed Unified Statistical Thermal Freeze-out Model (USTFM), which…

High Energy Physics - Phenomenology · Physics 2015-11-18 Inam-ul Bashir , Saeed Uddin

The charged particle multiplicity ($n_{ch}$) and pseudorapidity density $(dn_{ch}/d\eta)$ are key observables to characterize the properties of matter created in heavy ion collisions. The dependence of these observables on collision energy…

High Energy Physics - Phenomenology · Physics 2016-12-30 O. S. K. Chaturvedi , P. K. Srivastava , Ashwini Kumar , B. K. Singh

An analysis of local fluctuations, or spikes, is performed for charged particles produced in central C-Cu collisions at 4.5 GeV/$c$/nucleon. The distributions of spike-centers and the maximum density distributions are investigated for…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. L. Gogiberidze , L. K. Gelovani , E. K. Sarkisyan

Landau hydrodynamics is a plausible description for the evolution of the dense hot matter produced in high-energy heavy-ion collisions. We review the formulation of Landau hydrodynamics to pave the way for its application in high-energy…

Nuclear Theory · Physics 2015-05-13 Cheuk-Yin Wong

A collision between a proton and a heavy nucleus at ultrarelativistic energy creates particles whose rapidity distribution is asymmetric, with more particles emitted in the direction of the nucleus than in the direction of the proton. This…

Nuclear Theory · Physics 2024-07-23 Rupam Samanta , Jean-Yves Ollitrault

In the framework of the HIJING model global characteristics of nucleus- nucleus collisions are studied for a Large Hadron Collider energy scale. An interesting model prediction is the presence of a central bump over a pseudorapidity plateau…

High Energy Physics - Phenomenology · Physics 2016-09-06 M. V. Savina , S. V. Shmatov , N. V. Slavin , P. I. Zarubin