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The elliptic flow v2 is presented for the Cu+Cu collisions at sqrt{s_NN} = 62.4 and 200 GeV, as a function of pseudorapidity. Comparison to results for the Au+Au collisions at the same energies shows a reduction of about 20% in the flow…

Nuclear Experiment · Physics 2010-01-11 Alice C. Mignerey

Transverse momentum distributions of deuterons and anti-deuterons in Au+Au collisions at $\sqrt{S_{NN}}$=14.5, 62.4 and 200 GeV with different centrality are studied in the framework of the multisource thermal model. Transverse momentum…

High Energy Physics - Phenomenology · Physics 2021-03-17 Ying Yuan

Full-overlap U+U collisions provide significantly larger initial energy densities at comparable spatial deformation, and significantly larger deformation and volume at comparable energy density, than semicentral Au+Au collisions. We show…

Nuclear Theory · Physics 2009-10-09 Ulrich Heinz , Anthony Kuhlman

We present STAR's measurement of the $e^{+}e^{-}$ continuum as a function of centrality, invariant mass, and transverse momentum for U+U collisions at $\sqrt{s_{NN}}$ = 193 GeV. Also reported are the acceptance-corrected $e^{+}e^{-}$…

Nuclear Experiment · Physics 2016-12-19 Joey Butterworth

A general overview of the measurement of long-range multiplicity correlations measured by the STAR experiment in Au+Au collisions at RHIC is presented. The presence of long-range correlations can provide insight into the early stages, and…

Nuclear Experiment · Physics 2008-11-26 Terence Tarnowsky

This paper presents the primary charged-particle multiplicity distributions in proton-lead collisions at a centre-of-mass energy per nucleon-nucleon collision of $\sqrt{s_{\rm NN}} = 5.02$ TeV. The distributions are reported for non-single…

Nuclear Experiment · Physics 2025-11-18 ALICE Collaboration

Analytical formula for multiplicity distribution is derived in the QO approach, where chaotic and coherent fields are contained. Observed charged multiplicity distributions in Au+Au collisions at $\sqrt{s}=200$ AGeV and in pp collisions at…

High Energy Physics - Phenomenology · Physics 2013-03-26 Naomichi Suzuki , Minoru Biyajima , Takuya Mizoguchi

Experiments at the Large Hadron Collider (LHC) have measured multiplicity distributions in p+p and p+Pb collisions at a new domain of collision energy. Based on considering an energy-dependent broadening of the nucleon's density…

High Energy Physics - Phenomenology · Physics 2015-01-07 Hongmin Wang , Zhao-Yu Hou , Xian-Jing Sun

Effects of the collision geometry on experimental observables that are known to be sensitive to the high-density behavior of nuclear symmetry energy are examined in U+U collisions at 0.52 GeV/nucleon using an isospin- and momentum-dependent…

Nuclear Theory · Physics 2012-11-02 Jun Xu , Zachary Martinot , Bao-An Li

We study effects of eccentricity fluctuations on the elliptic flow coefficient v_2 at mid-rapidity in both Au+Au and Cu+Cu collisions at sqrt{s_{NN}}=200 GeV by using a hybrid model that combines ideal hydrodynamics for space-time evolution…

Nuclear Theory · Physics 2009-11-18 Tetsufumi Hirano , Yasushi Nara

Multiplicity ($N_{\rm ch}$) distributions and transverse momentum ($p_{\rm T}$) spectra of inclusive primary charged particles in the kinematic range of $|\eta| < 0.8$ and 0.15 GeV/$c$ $< p_{T} <$ 10 GeV/$c$ are reported for pp, p-Pb, Xe-Xe…

Nuclear Experiment · Physics 2024-05-20 ALICE Collaboration

We study effects of eccentricity fluctuations on the elliptic flow coefficient v_2 at mid-rapidity in both Au+Au and Cu+Cu collisions at sqrt{s_NN}=200 GeV by using a hybrid model that combines ideal hydrodynamics for space-time evolution…

Nuclear Theory · Physics 2009-08-03 Tetsufumi Hirano , Yasushi Nara

The study of correlations among particles produced in different rapidity regions may provide understanding of the mechanisms of particle production. Correlations that extend over a longer range are observed in hadron-hadron interactions…

Nuclear Experiment · Physics 2008-11-26 Brijesh K. Srivastava

Inclusive double differential multiplicities and rapidity density distributions of hadrons are presented for 10.8 A GeV/c Au+Au collisions as measured at the AGS by the E877 collaboration. The results indicate that large amounts of stopping…

Nuclear Experiment · Physics 2009-10-30 Roger Lacasse , the E877 Collaboration

The specific shear viscosity (eta/s)_QGP of a Quark-Gluon-Plasma (QGP) at temperatures T_c < T < 2T_c is extracted from the centrality dependence of the eccentricity-scaled elliptic flow measured in ultra-relativistic heavy-ion collisions.…

Nuclear Theory · Physics 2011-05-23 Huichao Song , Steffen A. Bass , Ulrich W. Heinz , Tetsufumi Hirano , Chun Shen

A discussion of results for short and long-range multiplicity correlations (forward-backward) are presented for several systems (Au+Au, Cu+Cu, and pp) and energies (e.g. $\sqrt{s_{NN}}$ = 200, 62.4, and $\approx$ 20 GeV). These correlations…

Nuclear Experiment · Physics 2010-01-05 Terence J. Tarnowsky

It is demonstrated using Monte Carlo simulation that in different nucleus$-$nucleus collision samples, the increase of the fluctuation of event factorial moments with decreasing phase space scale, called erraticity, is still dominated by…

High Energy Physics - Phenomenology · Physics 2009-11-07 Liu Fuming , Liao Hongbo , Liu Ming , Liu Feng , Liu Lianshou

Measurements of identified single particle distributions in d+Au collisions at \snn = 200 GeV at the RHIC collider are described. The dependence of these distributions on the centrality of the collisions, as well as the rapidity of the…

Nuclear Experiment · Physics 2015-03-18 R. Debbe

Measurements of multiplicity and transverse momentum fluctuations of charged particles were performed in inelastic p+p interactions at 20, 31, 40, 80 and 158 GeV/c beam momentum. Results for the scaled variance of the multiplicity…

High Energy Physics - Experiment · Physics 2016-12-01 SHINE Collaboration , A. Aduszkiewicz , Y. Ali , E. Andronov , T. Anticic , N. Antoniou , B. Baatar , F. Bay , A. Blondel , J. Blumer , M. Bogomilov , A. Bravar , J. Brzychczyk , S. A. Bunyatov , O. Busygina , P. Christakoglou , M. Cirkovic , T. Czopowicz , N. Davis , S. Debieux , H. Dembinski , M. Deveaux , F. Diakonos , S. Di Luise , W. Dominik , J. Dumarchez , K. Dynowski , R. Engel , A. Ereditato , G. A. Feofilov , Z. Fodor , A. Garibov , M. Gazdzicki , M. Golubeva , K. Grebieszkow , A. Grzeszczuk , F. Guber , A. Haesler , T. Hasegawa , A. Herve , M. Hierholzer , S. Igolkin , A. Ivashkin , K. Kadija , A. Kapoyannis , E. Kaptur , J. Kisiel , T. Kobayashi , V. I. Kolesnikov , D. Kolev , V. P. Kondratiev , A. Korzenev , K. Kowalik , S. Kowalski , M. Koziel , A. Krasnoperov , M. Kuich , A. Kurepin , D. Larsen , A. Laszlo , M. Lewicki , V. V. Lyubushkin , M. Mackowiak-Pawlowska , B. Maksiak , A. I. Malakhov , D. Manic , A. Marcinek , K. Marton , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , S. Morozov , S. Mrowczynski , T. Nakadaira , M. Naskret , M. Nirkko , K. Nishikawa , A. D. Panagiotou , M. Pavin , O. Petukhov , C. Pistillo , R. Planeta , B. A. Popov , M. Posiadala , S. Pulawski , J. Puzovic , W. Rauch , M. Ravonel , A. Redij , R. Renfordt , E. Richter-Was , A. Robert , D. Rohrich , E. Rondio , M. Roth , A. Rubbia , A. Rustamov , M. Rybczynski , A. Sadovsky , K. Sakashita , R. Sarnecki , K. Schmidt , T. Sekiguchi , A. Seryakov , P. Seyboth , D. Sgalaberna , M. Shibata , M. Slodkowski , P. Staszel , G. Stefanek , J. Stepaniak , H. Strobele , T. Susa , M. Szuba , M. Tada , A. Tefelska , D. Tefelski , V. Tereshchenko , R. Tsenov , L. Turko , R. Ulrich , M. Unger , M. Vassiliou , D. Veberic , V. V. Vechernin , G. Vesztergombi , L. Vinogradov , A. Wilczek , Z. Wlodarczyk , A. Wojtaszek-Szwarc , O. Wyszynski , L. Zambelli

Monte Carlo simulations are used to compute the centrality dependence of the participant eccentricities ($\epsilon_{n}$) in Au+Au collisions, for the two primary models currently employed for eccentricity estimates -- the Glauber and the…

Nuclear Experiment · Physics 2011-05-05 Roy A. Lacey , Rui Wei , J. Jia , N. N. Ajitanand , A. Taranenko