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Related papers: Statistical Model Predictions for p+p and Pb+Pb Co…

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Based on trends seen at lower energies we "predict" the multiplicities and pseudorapidity distributions of particle density and elliptic flow that will be seen in PbPb and pp collisions at the LHC. We argue that, if these predictions turn…

Nuclear Experiment · Physics 2008-11-26 Wit Busza

The collision system and multiplicity dependence of chemical freeze-out temperature ($T_{\rm ch}$) and strangeness saturation factor ($\gamma_{s}$) are obtained by studying the particle ratios at the Large Hadron Collider (LHC) energies.…

High Energy Physics - Phenomenology · Physics 2019-09-02 Rutuparna Rath , Arvind Khuntia , Raghunath Sahoo

We present measurements of strange and multi-strange hadrons in p+p collisions at $\sqrt{s}$= 200 GeV measured by STAR. We will compare these preliminary results to leading-order (LO) and next-to-leading order (NLO) perturbative QCD models…

Nuclear Experiment · Physics 2009-11-11 Mark Heinz

Multi-strange baryons are of particular interest in the understanding of particle production mechanisms, as their high strangeness content makes them susceptible to changes in the hadrochemistry of the colliding systems. In ALICE, these…

Nuclear Experiment · Physics 2019-08-13 Didier Alexandre

Within the statistical model, the net strangeness conservation and incomplete total strangeness equilibration lead to the suppression of strange particle multiplicities. Furthermore, suppression effects appear to be stronger in small…

Nuclear Theory · Physics 2014-05-09 M. I. Gorenstein , W. Greiner , A. Rustamov

The grand-canonical version of the thermal model is used to analyze the ratios of particle abundances measured in ultra-relativistic heavy-ion collisions. Exactly the same model is applied to study the heavy-ion reactions at BNL AGS, CERN…

Nuclear Theory · Physics 2007-05-23 Mariusz Michalec

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

The system-size dependence of particle production in heavy-ion collisions at the top SPS energy is analyzed in terms of the statistical model. A systematic comparison is made of two suppression mechanisms that quantify strange particle…

High Energy Physics - Phenomenology · Physics 2008-11-26 I. Kraus , J. Cleymans , H. Oeschler , K. Redlich , S. Wheaton

The production of (anti-)deuteron and (anti-)$^{3}$He nuclei in Pb-Pb collisions at $\sqrt{s_{\rm NN}}$ = 2.76 TeV has been studied using the ALICE detector at the LHC. The spectra exhibit a significant hardening with increasing centrality.…

Nuclear Experiment · Physics 2016-04-12 ALICE Collaboration

The data on average hadron multiplicities in central A+A collisions measured at CERN SPS are analysed with the ideal hadron gas model. It is shown that the full chemical equilibrium version of the model fails to describe the experimental…

High Energy Physics - Phenomenology · Physics 2011-09-13 F. Becattini , M. Gazdzicki , J. Sollfrank

We consider the production of strange particles in Pb-Pb and p-A collisions at the SPS energy reported by the WA97 experiment. We show that the observed enhancement of strange baryon and antibaryon yields in Pb-Pb collisions relative to…

High Energy Physics - Phenomenology · Physics 2009-10-31 Salah Hamieh , Krzysztof Redlich , Ahmed Tounsi

The dependence of particle production on the size of the colliding nuclei is analysed in terms of the thermal model using the canonical ensemble. The concept of strangeness correlation in clusters of sub-volume $V_c$ is used to account for…

High Energy Physics - Phenomenology · Physics 2017-02-09 H. Oeschler , J. Cleymans , B. Hippolyte , K. Redlich , N. Sharma

New results of the NA61/SHINE Collaboration at the CERN SPS on mean hadron multiplicities in proton-proton (p+p) interactions are analyzed within the transport models and the hadron resonance gas (HRG) statistical model. The chemical…

Nuclear Theory · Physics 2016-07-07 V. Vovchenko , V. V. Begun , M. I. Gorenstein

The current status of various thermal and statistical descriptions of particle production in the ultra-relativistic heavy-ion collisions experiments is presented in detail. We discuss the formulation of various types of thermal models of a…

High Energy Physics - Phenomenology · Physics 2017-01-06 S. K. Tiwari , C. P. Singh

The strangeness enhancement signature of QGP formation at LHC energies is carefully tackled in the present study. Based on HRG, the particle ratios of mainly strange and multi-strange particles are studied at energies from lower…

High Energy Physics - Phenomenology · Physics 2021-11-30 Mahmoud Hanafy , Omnia S. A. Qandil , Asmaa G. Shalaby

% An analysis is made of the particle composition (hadrochemistry) of the final state in proton-proton (p-p), proton-lead (p-Pb) and lead-lead (Pb-Pb) collisions as a function of the charged particle multiplicity ($\dNchdeta$). The thermal…

High Energy Physics - Phenomenology · Physics 2019-05-01 Natasha Sharma , Jean Cleymans , Boris Hippolyte , Masimba Paradza

Data on mean numbers of $\Lambda$, $\bar\Lambda$, K's and on the total number $<s\bar s>$ of pairs of strange valence quarks in final state hadrons in hadronic and nuclear collisions at CERN- SPS energies are studied as a function of the…

High Energy Physics - Phenomenology · Physics 2011-09-13 Roman Lietava , Jan Pisut

The transverse momentum spectra of identified particles at midrapidity in Pb + Pb collisions at Root(sNN) = 2.76 TeV have been studied as a function of collision centrality by using a unified statistical thermal freeze-out model. The…

High Energy Physics - Phenomenology · Physics 2015-10-28 Saeed Uddin , Inam-ul Bashir , Riyaz Ahmed Bhat

Studies of jet production can provide information about the properties of the hot and dense strongly interacting matter created in ultra-relativistic heavy-ion collisions. Specifically, measurement of strange particles in jets may clarify…

High Energy Physics - Experiment · Physics 2019-08-13 Alice Zimmermann

The energy density is the prime parameter to define the deconfinement of quarks and gluons occurring in collisions of heavy ions. Recently, there is mounting evidence that many observables in proton-proton collisions behave in a manner very…

High Energy Physics - Phenomenology · Physics 2016-08-09 E. Cuautle , G. Paić