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Related papers: Pion correlations in hydro-inspired models with re…

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We calculate the one-particle hadronic spectra and correlation functions of pions based on a hydrodynamical model. Parameters in the model are so chosen that the one-particle spectra reproduce experimental results of $\sqrt{s}=130A$GeV…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tetsufumi Hirano , Kenji Morita , Shin Muroya , Chiho Nonaka

For central PbPb collisions at a center of mass energy of 17.3 GeV/nucleon we have made the first two-dimensional measurement of the pp correlation function. These data extend the range of previous studies of HBT radii by a factor of two in…

Nuclear Experiment · Physics 2007-05-23 I. G. Bearden , NA44 Collaboration

PHENIX has measured high transverse momentum (pT) identified hadrons in different collision species and energies in the last five RHIC runs. The systematic study of the high pT hadron production provides an idea on interaction of hard…

Nuclear Experiment · Physics 2008-11-26 Takao Sakaguchi

We investigate the sensitivity of fits of hadron spectra produced in heavy ion collisions to the choice of statistical hadronization model. We start by giving an overview of statistical model ambiguities, and what they tell us about…

Nuclear Theory · Physics 2009-11-10 Giorgio Torrieri , Johann Rafelski

In this paper, we investigate the influence of coherent pion emission on long-range azimuthal correlations in relativistic proton-proton collisions. We study the pion momentum distribution for a coherent source with both transverse and…

Nuclear Theory · Physics 2020-08-26 Peng Ru , Wei-Ning Zhang

We propose a resolution of the discrepancy between the proton yield predicted by the statistical hadronization approach and data on hadron production in ultra-relativistic nuclear collisions at the LHC. Applying the S-matrix formulation of…

High Energy Physics - Phenomenology · Physics 2019-04-03 Anton Andronic , Peter Braun-Munzinger , Bengt Friman , Pok Man Lo , Krzysztof Redlich , Johanna Stachel

We study the transverse momentum ($p_T$) spectra of neutral pions and identified charged hadrons produced in proton--proton ($pp$), deuteron--gold ($d$--Au), and gold--gold (Au--Au) collisions at the center of mass energy…

High Energy Physics - Phenomenology · Physics 2024-03-27 Jia-Yu Chen , Mai-Ying Duan , Fu-Hu Liu , Khusniddin K. Olimov

The hydrokinetic approach, that incorporates hydrodynamic expansion of the systems formed in A+A collisions and their dynamical decoupling, is applied to restore the initial conditions and space-time picture of the matter evolution in…

Nuclear Theory · Physics 2011-03-24 Iu. A. Karpenko , Yu. M. Sinyukov

We describe the hadronization of quark matter assuming that quarks creating hadrons coalesce from a continuous mass distribution. The pion and antiproton spectrum as well as the momentum dependence of the antiproton to pion ratio are…

Nuclear Theory · Physics 2009-11-11 J. Zimanyi , P. Levai , T. S. Biro

Jet energy loss, photon production and photon-hadron correlations are studied together at high transverse momentum in relativistic heavy-ion collisions at RHIC energies. The modification of hard jets traversing a hot and dense nuclear…

High Energy Physics - Phenomenology · Physics 2010-02-22 Guang-You Qin , Jorg Ruppert , Charles Gale , Sangyong Jeon , Guy D. Moore

We present a time-dependent approach to the one-zone hadronic model in the case where the photon spectrum is produced by ultrarelativistic protons interacting with soft photons that are produced from protons and low magnetic fields.…

High Energy Astrophysical Phenomena · Physics 2015-06-11 S. Dimitrakoudis , A. Mastichiadis , R. J. Protheroe , A. Reimer

Recent data from heavy ion collisions at RHIC show unexpectedly large near-angle correlations that broaden longitudinally with centrality. The amplitude of this ridge-like correlation rises rapidly with centrality, reaches a maximum, and…

Nuclear Experiment · Physics 2015-03-17 Paul Sorensen

Hydrodynamics merged with single-freeze-out statistical hadronization is used to describe the midrapidity hadron production in relativistic heavy-ion collisions at the highest RHIC energies and to make predictions for the LHC. Thermodynamic…

Nuclear Theory · Physics 2008-11-26 Mikolaj Chojnacki , Wojciech Florkowski , Wojciech Broniowski , Adam Kisiel

In this paper we continue the investigation of the effect of quantum number conservations of pions, kaons, and protons, with very high transverse momenta (up to 25 GeV/c), during parton fragmentation and hadronization in p-p and Pb-Pb…

High Energy Physics - Experiment · Physics 2015-02-06 Gyula Bencédi , Gergely Gábor Barnaföldi , Levente Molnár

Measurements from the RHIC experiments show a strong suppression in the yield of high-p$_\mathrm{T}$ single hadrons and a clear reduction in strength of the di-jet signal in two-hadron azimuthal-angle correlation functions in central Au+Au…

Nuclear Experiment · Physics 2007-05-23 Tadaaki Isobe

Short range correlations of identified charged hadrons in pp (sqrt(s) = 0.9, 2.76, and 7 TeV), pPb (sqrt(sNN) = 5.02 TeV), and peripheral PbPb collisions (sqrt(sNN) = 2.76 TeV) are studied with the CMS detector at the LHC. Charged pions,…

High Energy Physics - Experiment · Physics 2019-08-13 Ferenc Siklér

We develop a Monte-Carlo event generator based on combination of a parton production formula including the effects of parton saturation (called the DHJ formula) and hadronization process due to the Lund string fragmentation model. This…

High Energy Physics - Phenomenology · Physics 2015-06-23 Wei-Tian Deng , Hirotsugu Fujii , Kazunori Itakura , Yasushi Nara

Many data in the high energy physics are, in fact, sample means. It is shown that when this exact meaning of the data is taken into account and the most weakly bound states are removed from the hadron resonance gas, the acceptable fit to…

Nuclear Theory · Physics 2016-03-28 Dariusz Prorok

The influence of the nuclear Coulomb field on transverse spectra of $\pi^+$ and $\pi^-$ measured in $Pb+Pb$ reactions at 158 A GeV has been investigated. Pion trajectories are calculated in the field of an expanding fireball. The observed…

Nuclear Theory · Physics 2008-11-26 H. W. Barz , J. P. Bondorf , J. J. Gaardhøje , H. Heiselberg

In heavy-ion physics, measurements of short-lived hadronic resonances allow the properties of the hadronic phase of the collision to be studied. In addition, resonances can be used along with stable hadrons to study parton energy loss in…

Nuclear Experiment · Physics 2019-08-13 A. G. Knospe