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Using event-by-event viscous fluid dynamics to evolve fluctuating initial density profiles from the Monte-Carlo Glauber model for U+U collisions, we report a "knee"-like structure in the elliptic flow as a function of collision centrality,…

Nuclear Theory · Physics 2015-02-03 Andy Goldschmidt , Zhi Qiu , Chun Shen , Ulrich Heinz

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 PHENIX experiment presents results from the RHIC 2005 run with polarized proton collisions at sqrt(s)=200 GeV, for inclusive \pi^0 production at mid-rapidity. Unpolarized cross section results are given for transverse momenta p_T=0.5 to…

High Energy Physics - Experiment · Physics 2008-11-26 PHENIX Collaboration , A. Adare

It is argued that the multiplicity distribution in proton-proton ($pp$) collisions, which is often parameterized by the negative binomial distribution, may result from the multiplicity distribution measured in electron-positron…

High Energy Physics - Phenomenology · Physics 2017-09-05 Adam Bzdak

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

Nuclear Experiment · Physics 2008-11-26 Terence J. Tarnowsky , Brijesh K. Srivastava , Rolf P. Scharenberg

In this paper, a new Monte Carlo Glauber model is developed for pA collisions. It uses the hadronic cross sections calculated within the KMR model as implemented in the SHRiMPS minimum bias module of the SHERPA event generator. These cross…

High Energy Physics - Phenomenology · Physics 2026-02-04 Chiara Le Roux

Measurements of the midrapidity transverse energy distribution $d{\rm E}_T/d\eta$ are presented for $p$$+$$p$, $d$$+$Au, and Au$+$Au Collisions at $\sqrt{s_{_{NN}}}$=62.4--200 GeV. The ${\rm E}_T$ distributions are compared with the number…

Nuclear Experiment · Physics 2019-08-13 M. J. Tannenbaum

We present a measurement of the pseudorapidity density of primary charged particles near mid-rapidity in Au+Au collisions at sqrt(s_NN) = 130 GeV as a function of the number of participating nucleons. These results are compared to models in…

Nuclear Experiment · Physics 2010-05-28 B. B. Back , PHOBOS collaboration

Fluctuations in nucleon positions can affect the spatial eccentricity of the overlap zone in nucleus-nucleus collisions. We show that elliptic flow should be scaled by different eccentricities depending on which method is used for the flow…

Nuclear Theory · Physics 2008-11-26 Rajeev S. Bhalerao , Jean-Yves Ollitrault

The PHOBOS experiment has measured the charged particle multiplicity at mid-rapidity in Au+Au collisions at sqrt(s_NN) = 200 GeV as a function of the collision centrality. Results on dN/deta(eta<1) divided by the number of participating…

Nuclear Experiment · Physics 2008-11-26 B. B. Back , PHOBOS Collaboration

We present the first measurement of multiplicity and pseudorapidity distributions of photons in the pseudorapidity region 2.3 $\le$ $\eta$ $\le$ 3.7 for different centralities in Au + Au collisions at $\sqrt{s_{NN}}$ = 62.4 GeV. We find…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

To reduce the effect of the fluctuations of initial geometrical shape, elliptic flow are studied at fixed centrality in Au+Au collision at $\sqrt{s_{\rm NN}}$=200GeV. It is observed with the participant increasing, elliptic flow has an…

Nuclear Theory · Physics 2012-08-31 Wang Meijuan , Chen Gang , Wu Yuanfang

Multinucleon transfer mechanism in the collision of ${}^{238}\text{U}+{}^{238}\text{U}$ system is investigated at $E_\text{c.m.} =833$ MeV in the framework of the quantal diffusion description based on the stochastic mean-field approach…

Nuclear Theory · Physics 2020-08-26 S. Ayik , B. Yilmaz , O. Yilmaz , A. S. Umar

The results from the STAR Collaboration on directed flow (v_1), elliptic flow (v_2), and the fourth harmonic (v_4) in the anisotropic azimuthal distribution of particles from Au+Au collisions at sqrtsNN = 200 GeV are summarized and compared…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

This paper presents the results for the charged-particle multiplicity and transverse energy distributions at mid-rapidity in Au - Au collisions at $\sqrt{s_{_{NN}}}=130$ GeV measured with the PHENIX detector at RHIC. The values of…

Nuclear Experiment · Physics 2019-08-14 A. Milov

I investigate the volume corrections on cumulants of total charge distributions and net proton distributions. The required volume information is generated by an optical Glauber model. I find that the corrected statistical expectations of…

Nuclear Theory · Physics 2016-11-15 Hao-jie Xu

The influence of shape of expanding and rotating source on various characteristics of the multifragmentation process is studied. The analysis is based on the extension of the statistical microcanonical multifragmentation model. The…

Nuclear Theory · Physics 2007-05-23 A. Le Fevre , M. Ploszajczak , V. D. Toneev

High-multiplicity proton-proton collisions at the LHC may exhibit collective phenomena such as elliptic flow. We study this issue using DIPSY, a brand-new Monte Carlo event generator which features almost-NLO BFKL dynamics and describes the…

High Energy Physics - Phenomenology · Physics 2011-11-15 E. Avsar , Y. Hatta , C. Flensburg , J. Y. Ollitrault , T. Ueda

We compute analytically the multi-particle eccentricities, \epsilon_m {2n}, for systems dominated by fluctuations, such as proton-nucleus collisions at the Large Hadron Collider. In particular, we derive a general relation for…

High Energy Physics - Phenomenology · Physics 2015-08-25 Adam Bzdak , Vladimir Skokov

The wounded nucleon and quark emission functions are extracted for different centralities in d+Au collisions at $\sqrt{s}=200\ \text{GeV}$ using Monte Carlo simulations and experimental data. The shape of the emission function depends on…

High Energy Physics - Phenomenology · Physics 2018-04-19 Michał Barej , Adam Bzdak , Paweł Gutowski
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