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The initial geometry effect on collective flows, which are inherited from initial projectile structure, is studied in relativistic heavy-ion collisions of $^{12}$C + Au by using a multi-phase transport model (AMPT). Elliptic flow ($v_2$)…

核理论 · 物理学 2017-06-21 S. Zhang , Y. G. Ma , J. H. Chen , W. B. He , C. Zhong

The theoretical description of the correlations between observables in two separated rapidity intervals in relativistic nuclear collisions is presented. It is shown, that the event-by-event pt-pt correlation defined as the correlation…

高能物理 - 唯象学 · 物理学 2007-05-23 R. S. Kolevatov , V. V. Vechernin

Recent surveys of multiplicity fluctuations, transverse momentum fluctuations, and two-particle azimuthal correlations are presented for several collision systems as a function of centrality and transverse momentum. Both multiplicity and…

核实验 · 物理学 2008-11-26 J. T. Mitchell

We study the scaled variances of multiplicity fluctuations in nucleus-nucleus collisions at SPS and RHIC energies within the HSD transport model. The HSD results are compared with proton-proton data and with predictions of the…

核理论 · 物理学 2008-11-26 V. P. Konchakovski , M. I. Gorenstein , E. L. Bratkovskaya

Perturbing fluids of neutrons and protons (nuclear matter) may lead, as the most catastrophic effect, to the rearrangement of the fluid into clusters of nucleons. A similar process may occur in a single atomic nucleus undergoing a violent…

核理论 · 物理学 2018-05-23 P. Napolitani , M. Colonna , C. Mancini-Terracciano

To study the microscopic structure of quark-gluon plasma, data from hadronic collisions must be confronted with models that go beyond fluid dynamics. Here, we study a simple kinetic theory model that encompasses fluid dynamics but contains…

高能物理 - 唯象学 · 物理学 2020-01-08 Aleksi Kurkela , Urs Achim Wiedemann , Bin Wu

Correlations and fluctuations (the latter are directly related to the 2-particle correlations) is one of the important directions in analysis of heavy ion collisions. At the current stage of RHIC exploration, when the details matter,…

核实验 · 物理学 2015-06-26 Sergei A. Voloshin

We investigate possible effects of correlations between stopped nucleons on higher order proton cumulants at low energy heavy-ion collisions. We find that fluctuations of the number of wounded nucleons $N_{\mathrm{part}}$ lead to rather…

核理论 · 物理学 2017-05-24 Adam Bzdak , Volker Koch , Vladimir Skokov

High-energy partons lose energy while propagating through the hot, strongly interacting medium produced in ultrarelativistic nucleus-nucleus collisions, leading to a suppression of particle production at high transverse momentum…

核实验 · 物理学 2026-02-27 CMS Collaboration

We report on the studies of two-particle angular correlations measured in proton-proton collisions at a center-of-mass energy of sqrt(s) = 7 TeV recorded by ALICE at the LHC. Two-particle correlations in relative azimuth ({\Delta}{\phi})…

高能物理 - 实验 · 物理学 2019-08-13 Małgorzata Janik

We discuss particle production mechanisms for heavy ion collisions. We present an argument demonstrating how the fluctuations of the number of produced particles in a series of classical emissions can account for KNO scaling. We predict…

高能物理 - 唯象学 · 物理学 2009-10-31 Yuri V. Kovchegov , Eugene Levin , Larry McLerran

The properties of particle production in pp collisions are basis for analysis of pA and AA interactions and verification of theory. We analyzed inclusive particle production using z-scaling established in proton-proton and proton-antiproton…

高能物理 - 唯象学 · 物理学 2007-05-23 M. V. Tokarev , Yu. A. Panebratsev , G. P. Skoro , I. Zborovsky

We study continuum percolation in nuclear collisions for the realistic case in which the nuclear matter distribution is not uniform over the collision volume, and show that the percolation threshold is increased compared to the standard,…

高能物理 - 唯象学 · 物理学 2009-10-31 A. Rodrigues , R. Ugoccioni , J. Dias de Deus

We analyze $pA$ interactions at ultra-high energies within the semiclassical approximation for high energy processes accounting for the diffractive processes and a rapid increase with the incident energy of the coherence length. The…

高能物理 - 唯象学 · 物理学 2014-10-08 M. Alvioli , L. Frankfurt , V. Guzey , M. Strikman

In recent years the understanding on the limits of the smallest possible droplet of the Quark Gluon Plasma has been called into question. Experimental results from both the Large Hadron Collider and the Relativistic Heavy Ion Collider have…

核理论 · 物理学 2019-08-07 Matthew D. Sievert , Jacquelyn Noronha-Hostler

The study of long-range correlations between observables in two rapidity windows was proposed as a signature of the string fusion and percolation phenomenon. In the present work we calculate the correlation functions and coefficients for…

核理论 · 物理学 2014-10-16 Vladimir Kovalenko

We discuss different sources of fluctuations in nuclear collisions and their realization in the IP-Glasma model. We present results for multiplicity distributions in p+p and p+A collisions and compare eccentricity distributions in A+A…

高能物理 - 唯象学 · 物理学 2015-06-18 Bjoern Schenke , Prithwish Tribedy , Raju Venugopalan

We analyze the measured spectra of $\pi^\pm$, $K^\pm$, $p$($\bar p$) in $pp$ collisions at $\sqrt {s}$ = 0.9, 2.76 and 7 TeV, in the light of blast-wave model to extract the transverse radial flow velocity and kinetic temperature at…

高能物理 - 唯象学 · 物理学 2014-02-28 Premomoy Ghosh , Sanjib Muhuri , Jajati k. Nayak , Raghava Varma

We show that particle production in proton-nucleus (pA) collisions in the Color Glass Condensate model can be related to Deep Inelastic Scattering of leptons on protons/nuclei (DIS). The common building block is the quark antiquark (or…

高能物理 - 唯象学 · 物理学 2011-01-25 F. Gelis , J. Jalilian-Marian

The forward-backward long-range multiplicity correlations in proton-proton collisions are investigated in the model with two independent sources of particles: one left- and one right-moving wounded nucleon. A good agreement with the UA5…

高能物理 - 唯象学 · 物理学 2012-10-03 Adam Bzdak