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Measurements, with the BRAHMS detector, of the antiproton to proton ratio at central and forward rapidities are presented for Au+Au reactions at sqrt{s_{NN}}=130 GeV, and for three different collision centralities. For collisions in the…

Nuclear Experiment · Physics 2014-11-18 BRAHMS Collaboration , I. G. Bearden

We present data on long-range multiplicity correlations in ultra-relativistic heavy ion collisions at the top RHIC energy ($\sqrt{s_{NN}}$ = 200 GeV) from the STAR experiment. The data shows a long-range multiplicity correlation extending…

Nuclear Experiment · Physics 2007-05-23 Terence J. Tarnowsky

The measurements of the centrality dependence of $dN/d\eta$ and transverse momentum spectra from mid- to forward rapidity in d+Au collisions at $\sqrt{s_{_{\rm NN}}} =$ 200 GeV are reported. They provide a sensitive tool for understanding…

Nuclear Experiment · Physics 2012-08-27 STAR Collaboration

The extent of a locally equilibrated parton plasma in d + Au collisions at sqrt(s_NN) = 200 GeV is investigated as a function of collision centrality in a nonequilibrium-statistical framework. Based on a three-sources model, analytical…

High Energy Physics - Phenomenology · Physics 2009-11-11 Georg Wolschin , Minoru Biyajima , Takuya Mizoguchi , Naomichi Suzuki

The extent of a locally equilibrated parton plasma in d + Au collisions at sqrt(s_NN) = 200 GeV is investigated as a function of centrality in a nonequilibrium-statistical framework. Based on a three-sources model, analytical solutions of a…

High Energy Physics - Phenomenology · Physics 2011-07-19 G. Wolschin , M. Biyajima , T. Mizoguchi , N. Suzuki

On the basis of universal scaling properties, we claim that in Au+Au collisions at RHIC, the QCD critical point is within reach. The signal turns out to be an extended plateau of net baryons in rapidity with approximate height of the…

High Energy Physics - Phenomenology · Physics 2017-08-23 N. G. Antoniou , F. K. Diakonos , A. S. Kapoyannis

We report the measurement of charged hadron production at different pseudo-rapidity values in deuteron+gold as well as proton+proton collisions at $sqrt{s_{NN}}$ = 200GeV at RHIC. The nuclear modification factors $R_{dAu}$ and $R_{cp}$ are…

Nuclear Experiment · Physics 2019-08-14 R. Debbe

We have measured transverse momentum distributions of charged hadrons produced in Au+Au collisions at sqrt(s_NN) = 62.4 GeV. The spectra are presented for transverse momenta 0.25 < p_T< 4.5 GeV/c, in a pseudo-rapidity range of 0.2 < eta <…

Nuclear Experiment · Physics 2019-08-14 B. B. Back

Higher moments of net-proton multiplicity distributions are applied to search for the QCD critical point. In this paper, we will present measurements for kurtosis ($\kappa$), skewness ($S$) and variance $\sigma^2$) of net-proton…

Nuclear Experiment · Physics 2019-08-13 Xiaofeng Luo

We have measured rapidity densities dN/dy of pions and kaons over a broad rapidity range (-0.1 < y < 3.5) for central Au+Au collisions at sqrt(snn) = 200 GeV. These data have significant implications for the chemistry and dynamics of the…

Nuclear Experiment · Physics 2009-11-10 BRAHMS Collaboration , I. G. Bearden

There is experimental and theoretical evidence that the broad rapidity distribution of net proton yield in central heavy-ion collisions at SPS energies could be a signal of non-equilibrium properties of the system. We show that the broad…

High Energy Physics - Phenomenology · Physics 2015-06-25 A. Lavagno

We suggest to use net-baryon rapidity distributions in central relativistic heavy-ion collisions at SPS, RHIC and LHC energies in order to probe saturation physics. Within the color glass condensate framework based on small-coupling QCD,…

High Energy Physics - Phenomenology · Physics 2014-11-18 Yacine Mehtar-Tani , Georg Wolschin

We present high transverse momentum ($p_T$) measurements made at the Relativistic Heavy Ion Collider (RHIC) for Au+Au, d+Au, and p+p collisions at $\sqrt{s_{NN}} = 200$ GeV, as well as for Au+Au collisions at $\sqrt{s_{NN}} = 62$ GeV. We…

Nuclear Experiment · Physics 2007-05-23 S. Mioduszewski

We present centrality dependent charged hadron yields at several pseudorapidities from Au+Au collisions at Sqrt(s)=200GeV measured with BRAHMS spectrometers. Nuclear modification factors RAA and RCP for charged hadrons at forward angles in…

Nuclear Experiment · Physics 2019-08-14 Catalin Ristea

The charged-particle pseudorapidity density dNch/deta has been measured for Au+Au collisions at sqrt(sNN)=130 GeV at RHIC, using the PHOBOS apparatus. The total number of charged particles produced for the 3% most central Au+Au collisions…

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

The STAR collaboration at RHIC reports measurements of the inclusive yield of non-photonic electrons, which arise dominantly from semi-leptonic decays of heavy flavor mesons, over a broad range of transverse momenta ($1.2 < \pt < 10$ \gevc)…

Nuclear Experiment · Physics 2019-08-14 B. I. Abelev

By analyzing the dynamical properties of particle production in relativistic heavy ion collisions, it is possible to characterize the final stage of the equilibration process occurring in the collision fireball. In this work, we use the…

High Energy Physics - Phenomenology · Physics 2010-09-22 D. D. Chinellato , J. Takahashi , I. Bediaga

Transverse momentum spectra of charged hadrons with p_T < 8 GeV/c and neutral pions with p_T < 10 GeV/c have been measured at mid-rapidity by the PHENIX experiment at RHIC in d+Au collisions at sqrt(s_NN) = 200 GeV. The measured yields are…

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

The measured pseudorapidity distributions of primary charged particles over a wide pseudorapidity range of |eta| < 5.4 and integrated charged particle multiplicities in d+Au collisions at sqrt(s_NN) = 200 GeV are presented as a function of…

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

Inclusive spectra of charged particles at midrapidity in Au+Au collisions at sqrt(s_NN) = 130 GeV and 200 GeV were measured with the STAR detector at RHIC. The measured mean transverse momentum shows a characteristic dependence on charged…

Nuclear Experiment · Physics 2019-08-14 T. S. Ullrich