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Hadron production at forward rapidities in d+Au collisions is studied in the framework of parton recombination in the final state. Multiple scattering and gluon saturation in the initial state are not explicitly considered. The…

Nuclear Theory · Physics 2009-11-10 Rudolph C. Hwa , C. B. Yang , R. J. Fries

While the abundances of the final state hadrons in relativistic heavy-ion collisions are rather well described by the thermal particle production, the shape of the transverse momentum, $p_{\rm T}$, distribution below $p_{\rm T}\approx500$…

High Energy Physics - Phenomenology · Physics 2025-06-10 Pengzhong Lu , Rafet Kavak , Andrea Dubla , Silvia Masciocchi , Ilya Selyuzhenkov

We provide a simple derivation for particle production in heavy-ion collisions that is proportional to the rate of entropy production. We find that the particle production depends only on the power of the centre-of-mass collision energy…

High Energy Physics - Phenomenology · Physics 2017-02-06 Mateusz Ploskon , Martin Veselsky

We estimate the production cross sections of hypernuclei in projectile like fragment (PLF) in heavy ion collisions. The discussed scenario for the formation cross section of hypernucleus is: (a) Lambda particles are produced in the…

High Energy Physics - Phenomenology · Physics 2014-11-20 V. Topor Pop , S. Das Gupta

We propose a new method, i.e., an exclusive quark combination model + an inclusive hadron recombination model, to study different production sources of light nuclei in relativistic heavy-ion collisions. We take deuterons and $^3$He produced…

High Energy Physics - Phenomenology · Physics 2019-03-27 Rui-qin Wang , Jun Song , Gang Li , Feng-lan Shao

It is proposed that soft particle production in hadronic collisions is dominated by multiple gluon exchanges between partons from the colliding hadrons, followed by radiation of hadronic clusters from the coloured partons distributed…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Bialas , M. Jezabek

Large transverse momentum distributions of identified particles observed at RHIC are analyzed by a relativistic stochastic model in the three dimensional (non-Euclidean) rapidity space. A distribution function obtained from the model is…

High Energy Physics - Phenomenology · Physics 2015-06-25 N. Suzuki , M. Biyajima

We present measurements by the PHENIX experiment at RHIC of di-hadron pair production in \dAu collisions where the particles in the pair are varied across a wide range of pseudorapidity, out to $\eta = 3.8$. With di-hadrons, varying the…

Nuclear Experiment · Physics 2015-05-30 Mickey Chiu

The measured pseudorapidity distribution of primary charged particles in minimum-bias d + Au collisions at ${\sqrt{s_{_{NN}}} = \rm {200 GeV}}$ is presented for the first time. This distribution falls off less rapidly in the gold direction…

Nuclear Experiment · Physics 2008-11-26 B. B. Back

It has been shown that the thermal photon and the lepton pair spectra can be used to estimate the radial velocity of different phases of the matter formed in nuclear collisions at ultra-relativistic energies. We observe a non-monotonic…

Nuclear Theory · Physics 2009-12-30 Jajati K. Nayak , Jan-e Alam

The creation of lepton pairs ($e^+e^-$ and $\mu^+\mu^-$) via multiphoton absorption in collisions of ultrarelativistic ion beams with ultrashort high-frequency laser pulses is considered. Both the free and the bound-free production channels…

High Energy Physics - Phenomenology · Physics 2009-02-02 Carsten Müller

Like nucleosynthesis during the early universe, light nuclei are also produced in relativistic heavy-ion collisions. Although the deuteron ($d$) yields in these collisions can be well described by the statistical hadronization model (SHM),…

Nuclear Theory · Physics 2022-08-02 Kai-Jia Sun , Rui Wang , Che Ming Ko , Yu-Gang Ma , Chun Shen

Using the isospin-dependent relativistic Vlasov-Uehling-Uhlenbeck (RVUU) model, we study charged pion ($\pi^\pm$) production in Au+Au collisions at $\sqrt{s_{NN}}=$ 2.4 GeV. By fitting the density dependence of the $\Delta$ resonance…

Nuclear Theory · Physics 2022-05-18 Kyle Godbey , Zhen Zhang , Jeremy W. Holt , Che Ming Ko

Using a multiphase transport model (AMPT) with both partonic and hadronic interactions, we study the multiplicity and transverse momentum distributions of charged particles such as pions, kaons and protons in central Au+Au collisions at…

Nuclear Theory · Physics 2009-11-07 Zi-wei Lin , Subrata Pal , C. M. Ko , Bao-An Li , Bin Zhang

We analyze the photon-initiated processes for production of $ e ^ + e ^- $ pairs in proton-nucleus collisions at LHC energy, taking into account both elastic processes and proton dissociations in the low-mass region (LMR) and…

High Energy Physics - Phenomenology · Physics 2022-12-07 Barbara Linek , Marta Łuszczak , Wolfgang Schäfer , Antoni Szczurek

We study charm production in ultra-relativistic heavy-ion collisions by using the Parton-Hadron-String Dynamics (PHSD) transport approach. The initial charm quarks are produced by the PYTHIA event generator tuned to fit the transverse…

Nuclear Theory · Physics 2016-02-17 E. L. Bratkovskaya , T. Song , H. Berrehrah , D. Cabrera , J. M. Torres-Rincon , L. Tolos , W. Cassing

We present charged particle densities as a function of pseudorapidity and collision centrality for the 197Au+197Au reaction at Sqrt{s_NN}=200 GeV. For the 5% most central events we obtain dN_ch/deta(eta=0) = 625 +/- 55 and N_ch(-4.7<= eta…

Nuclear Experiment · Physics 2011-08-19 BRAHMS Collaboration , I. G. Bearden

Hadron production at high-$p_T$ displays a strong suppression pattern in a wide rapidity region in heavy ion collisions at RHIC energies. This finding indicates the presence of strong final state effects for both transversally and…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. G. Barnaföldi , P. Lévai , G. Papp , G. Fai

Using a simplified model for in-medium dipole evolution accounting for color filtering effects we study production of hadrons at large transverse momenta $p_T$ in heavy ion collisions. In the framework of this model, several important…

High Energy Physics - Phenomenology · Physics 2015-06-22 Jan Nemchik , Roman Pasechnik , Irina Potashnikova

Dilepton production in heavy-ion collisions at collider energies - i.e., for the Relativistic Heavy-Ion Collider (RHIC) and the Large Hadron Collider (LHC) - is studied within an approach that uses coarse-grained transport simulations to…

Nuclear Theory · Physics 2016-08-22 Stephan Endres , Hendrik van Hees , Marcus Bleicher