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Related papers: Analysis of Dynamic Multiplicity Fluctuations at P…

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The minimum bias multiplicity distribution and the transverse momentum and pseudorapidity distributions for central collisions have been measured for negative hadrons (h-) in Au+Au interactions at sqrt(s_nn) = 130 GeV. The multiplicity…

Nuclear Experiment · Physics 2010-05-28 STAR Collaboration , C. Adler

A primary objective in high-energy heavy-ion collisions is to investigate the phase transition between confined and deconfined color matter. Complementary to the cumulants of conserved charges integrated over the full azimuth, we introduce…

Nuclear Theory · Physics 2024-06-04 Dylan Neff , Zhongling Ji , Roli Esha , Gang Wang , Huan Huang

From the events generated from the MC code of a multi-phase transport (AMPT) model with string melting, the properties of multiplicity fluctuations of charged particles in Pb-Pb collisions at $\sqrt{s_{\mathrm{NN}}}=\rm{~2.76 \,TeV}$ are…

High Energy Physics - Phenomenology · Physics 2018-10-31 Rohni Sharma , Ramni Gupta

The BRAHMS collaboration has measured inclusive proton and anti-proton spectra at several rapidities (0 < y < 3) for Au+Au collisions at sqrt(s_NN) = 200 GeV. Rapidity densities of protons, anti-protons, and net-protons [N(p)-N(p-bar)] are…

Nuclear Experiment · Physics 2019-08-14 Peter Christiansen

A detailed study of event by event fluctuation of maximum particle density of the produced particles in narrow pseudo-rapidity interval in terms of the scaled variance {\omega} has been carried out for 16O-AgBr, 28Si-AgBr and 32S-AgBr…

Nuclear Experiment · Physics 2020-12-02 Swarnapratim Bhattacharyya

Event-by-event fluctuations of the net baryon number and electric charge in nucleus-nucleus collisions are studied in Pb+Pb at SPS energies within the HSD transport model. We reveal an important role of the fluctuations in the number of…

Nuclear Theory · Physics 2008-11-26 V. P. Konchakovski , M. I. Gorenstein , E. L. Bratkovskaya , H. Stocker

Particle production in Au+Au collisions has been measured in the PHOBOS experiment at RHIC for a range of collision energies. Three empirical observations have emerged from this dataset which require theoretical examination. First, there is…

Nuclear Experiment · Physics 2008-11-26 Mark D. Baker

Dynamical fluctuations in global conserved quantities such as baryon number, strangeness, or charge may be enhanced near a QCD critical point. Charge dependent results from new measurements of dynamical $K/\pi$, $p/\pi$, and $K/p$ ratio…

Nuclear Experiment · Physics 2012-11-02 Terence J. Tarnowsky

This paper describes the conclusions that can be drawn from the data taken thus far with the PHOBOS detector at RHIC. In the most central Au+Au collisions at the highest beam energy, evidence is found for the formation of a very high energy…

Nuclear Experiment · Physics 2008-11-26 B. B. Back et al

The experimental search for the QCD critical point by means of relativistic heavy-ion collisions necessitates the development of dynamical models of fluctuations. In this work we study the fluctuations of the net-baryon density near the…

Nuclear Theory · Physics 2020-11-25 Marlene Nahrgang , Marcus Bluhm

The information on dynamical fluctuations that can be extracted from the anomalous scaling observed recently in hadron-hadron collision experiments is discussed in some detail. A parameter ``effective fluctuation strength'' is proposed to…

High Energy Physics - Phenomenology · Physics 2009-10-31 Liu Lianshou , Fu Jinghua , Wu Yuanfang

The elliptic flows of thermal di-electrons are investigated within a (2+1)-dimension event-by-event hydrodynamic model for Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV. The fluctuating initial conditions are given by the Monte Carlo Glauber…

High Energy Physics - Phenomenology · Physics 2015-09-15 Hao-jie Xu , Longgang Pang , Qun Wang

The measured pseudorapidity distributions of primary charged particles are presented for d + Au and p + p collisions at ${\sqrt{s_{_{NN}}} =}$ 200 GeV over a wide pseudorapidity range of ${\rm \mid \eta \mid \le}$ 5.4. The results for d +…

Nuclear Experiment · Physics 2008-11-26 Rachid Nouicer

We present the preliminary results from our analysis of event by event fluctuation in K/pi ratio in Au+Au collision at \sqrt s_{NN} = 200 GeV and at 62.4 GeV using STAR detector at RHIC. Two different methods have been used to extract the…

Nuclear Experiment · Physics 2009-11-11 Supriya Das

Event-by-event fluctuations of the average transverse momentum of produced particles near mid-rapidity have been measured by the PHENIX Collaboration in sqrt(s_NN)=200 GeV Au+Au and p+p collisions at the Relativistic Heavy Ion Collider. The…

Nuclear Experiment · Physics 2008-11-26 the PHENIX Collaboration , S. S. Adler

I review recent measurements of a large set of flow observables associated with event-shape fluctuations and collective expansion in heavy ion collisions. First, these flow observables are classified and experiment methods are introduced.…

Nuclear Experiment · Physics 2015-06-22 Jiangyong Jia

Multiplicity fluctuations in heavy ion collisions obtain comparable contributions both from initial stage of the collisions, and from final stage interaction. We calculate the former component, using the ``wounded nucleon'' model and…

Nuclear Theory · Physics 2007-05-23 G. V. Danilov , E. V. Shuryak

Charge density waves are a common occurrence in all families of high critical temperature superconducting cuprates. Although consistently observed in the underdoped region of the phase diagram and at relatively low temperatures, it is still…

We study the fluctuations in equilibrium for a dynamics of rods with random length. This includes the classical hard rod elastic collisions, when rod lengths are constant and equal to a positive value. We prove that in the diffusive…

Mathematical Physics · Physics 2024-11-20 Pablo A. Ferrari , Stefano Olla