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We compare recent lattice results on fluctuations and correlations of strangeness, baryon number and electric charge obtained with p4 improved staggered action with the prediction of hadron resonance gas model. We show that hadron resonance…

High Energy Physics - Phenomenology · Physics 2014-11-20 Pasi Huovinen , Peter Petreczky

The charged hadron multiplicity fluctuations are considered in the canonical ensemble. The microscopic correlator method is extended to include three conserved charges: baryon number, electric charge and strangeness. The analytical formulae…

Nuclear Theory · Physics 2008-11-26 V. V. Begun , M. I. Gorenstein , M. Hauer , V. P. Konchakovski , O. S. Zozulya

We investigate the effects of repulsive interaction between hadrons on the fluctuations of the conserved charges. We calculate the baryon,the electric charge and the strangeness susceptibilities within the ambit of hadron resonance gas…

High Energy Physics - Phenomenology · Physics 2021-03-24 Somenath Pal , Guruprasad Kadam , Hiranmaya Mishra , Abhijit Bhattacharyya

We discuss the role of repulsive baryon-baryon interactions in a hadron gas using relativistic virial expansion and repulsive mean field approaches. The fluctuations of the baryon number as well as strangeness-baryon correlations are…

High Energy Physics - Phenomenology · Physics 2018-03-26 P. Huovinen , P. Petreczky

We present a study of the effects of magnetic fields on fluctuations and correlations in hadron resonance gas model. We find significant changes in the fluctuations of net baryon number, electric charge and strangeness. This is also…

High Energy Physics - Phenomenology · Physics 2016-11-08 Abhijit Bhattacharyya , Sanjay K. Ghosh , Rajarshi Ray , Subhasis Samanta

Net-baryon, net-charge and net-strangeness number fluctuations in high energy heavy-ion collisions are discussed within the framework of a hadron resonance gas (HRG) model. Ratios of the conserved number susceptibilities calculated in HRG…

Nuclear Experiment · Physics 2015-06-15 P. Garg , D. K. Mishra , P. K. Netrakanti , B. Mohanty , A. K. Mohanty , B. K. Singh , N. Xu

This thesis is dedictaed to the study of fluctuation and correlation observables of hadronic equilibrium systems. The statistical hadronization model of high energy physics, in its ideal, i.e. non-interacting, gas approximation will be…

Nuclear Theory · Physics 2010-08-13 Michael Hauer

We present temperature ($T$) and baryonic chemical potential ($\mu_B$) dependence of higher order fluctuations and correlation between conserved charges in Excluded Volume Hadron Resonance Gas (EVHRG) model. Products of moments, such as…

High Energy Physics - Phenomenology · Physics 2015-06-17 Abhijit Bhattacharyya , Supriya Das , Sanjay K. Ghosh , Rajarshi Ray , Subhasis Samanta

The dynamical net-charge fluctuations (${\nu}_{dyn}$) in different particle ratios $K/{\pi}$, $K/p$, and $p/{\pi}$ are calculated from the hadron resonance gas (HRG) model and compared with STAR central Au+Au collisions at…

High Energy Physics - Phenomenology · Physics 2016-04-29 Abdel Nasser Tawfik , L. I. Abou-Salem , Asmaa G. Shalaby , M. Hanafy

This paper presents results on multiplicity fluctuations of positively and negatively charged hadrons as well as net-electric charge fluctuations measured in central Ar+Sc interactions at beam momenta 13A, 19A, 30A, 40A, 75A, and 150A…

Nuclear Experiment · Physics 2025-04-01 H. Adhikary , P. Adrich , K. K. Allison , N. Amin , E. V. Andronov , I. -C. Arsene , M. Bajda , Y. Balkova , D. Battaglia , A. Bazgir , S. Bhosale , M. Bielewicz , A. Blondel , M. Bogomilov , Y. Bondar , W. Bryliński , J. Brzychczyk , M. Buryakov , A. F. Camino , Y. D. Chandak , M. Ćirković , M. Csanád , J. Cybowska , T. Czopowicz , C. Dalmazzone , N. Davis , A. Dmitriev , P. von Doetinchem , W. Dominik , J. Dumarchez , R. Engel , G. A. Feofilov , L. Fields , Z. Fodor , M. Friend , M. Gaździcki , K. E. Gollwitzer , O. Golosov , V. Golovatyuk , M. Golubeva , K. Grebieszkow , F. Guber , P. G. Hurh , S. Ilieva , A. Ivashkin , N. Karpushkin , M. Kiełbowicz , V. A. Kireyeu , R. Kolesnikov , D. Kolev , Y. Koshio , S. Kowalski , B. Kozłowski , A. Krasnoperov , W. Kucewicz , M. Kuchowicz , M. Kuich , A. László , M. Lewicki , G. Lykasov , J. R. Lyon , V. V. Lyubushkin , M. Maćkowiak-Pawłowska , B. Maksiak , A. I. Malakhov , A. Marcinek , A. D. Marino , H. -J. Mathes , T. Matulewicz , V. Matveev , G. L. Melkumov , A. Merzlaya , Ł. Mik , S. Morozov , Y. Nagai , T. Nakadaira , S. Nishimori , A. Olivier , V. Ozvenchuk , O. Panova , V. Paolone , I. Pidhurskyi , R. Płaneta , P. Podlaski , B. A. Popov , B. Pórfy , D. S. Prokhorova , D. Pszczel , S. Puławski , L. Ren , V. Z. Reyna Ortiz , D. Röhrich , M. Roth , Ł. Rozpłochowski , M. Rumyantsev , A. Rustamov , M. Rybczynski , A. Rybicki , D. Rybka , K. Sakashita , K. Schmidt , P. Seyboth , U. A. Shah , Y. Shiraishi , A. Shukla , M. Słodkowski , P. Staszel , G. Stefanek , J. Stepaniak , Ł. Świderski , J. Szewiński , R. Szukiewicz , A. Taranenko , A. Tefelska , D. Tefelski , V. Tereshchenko , R. Tsenov , L. Turko , T. S. Tveter , M. Unger , M. Urbaniak , D. Veberič , O. Vitiuk , A. Wickremasinghe , K. Witek , K. Wójcik , O. Wyszyński , A. Zaitsev , E. Zherebtsova , E. D. Zimmerman , A. Zviagina

Higher moments of multiplicity fluctuations of hadrons produced in central nucleus-nucleus collisions are studied within the hadron-resonance gas model in the canonical ensemble. Exact conservation of three charges, baryon number, electric…

Nuclear Theory · Physics 2017-09-27 Jing-Hua Fu

We calculate the quadratic fluctuations of net baryon number, electric charge and strangeness as well as correlations among these conserved charges in (2+1)-flavor lattice QCD at zero chemical potential. Results are obtained using…

We investigate net-proton fluctuations as important observables measured in heavy-ion collisions within the hadron resonance gas (HRG) model. Special emphasis is given to effects which are a priori not inherent in a thermally and chemically…

High Energy Physics - Phenomenology · Physics 2016-03-01 Marlene Nahrgang , Marcus Bluhm , Paolo Alba , Rene Bellwied , Claudia Ratti

We analyze baryon number, strangeness and electric charge fluctuations as well as their correlations in QCD at high temperature. We present results obtained from lattice calculations performed with an improved staggered fermion action…

High Energy Physics - Lattice · Physics 2013-05-29 M. Cheng , P. Hegde , C. Jung , F. Karsch , O. Kaczmarek , E. Laermann , R. D. Mawhinney , C. Miao , P. Petreczky , C. Schmidt , W. Soeldner

We calculate ratios of higher-order susceptibilities quantifying fluctuations in the number of net protons and in the net-electric charge using the Hadron Resonance Gas (HRG) model. We take into account the effect of resonance decays, the…

High Energy Physics - Phenomenology · Physics 2015-06-19 Paolo Alba , Wanda Alberico , Rene Bellwied , Marcus Bluhm , Valentina Mantovani Sarti , Marlene Nahrgang , Claudia Ratti

The thermodynamics of hot and dense matter created in heavy-ion collision experiments are usually studied as a system of infinite volume. Here we report on possible effects for considering a finite system size for such matter in the…

High Energy Physics - Phenomenology · Physics 2015-04-16 Abhijit Bhattacharyya , Rajarshi Ray , Subhasis Samanta , Subrata Sur

We present a subset of experimental results on charge fluctuation from the heavy-ion collisions to search for phase transition and location of critical point in the QCD phase diagram. Measurements from the heavy-ion experiments at the SPS…

Nuclear Experiment · Physics 2017-01-24 D. K. Mishra , P. Garg , P. K. Netrakanti , L. M. Pant , A. K. Mohanty

The size of the average fluctuations of net baryon number and electric charge in a finite volume of hadronic matter differs widely between the confined and deconfined phases. These differences may be exploited as indicators of the formation…

High Energy Physics - Phenomenology · Physics 2009-10-09 Masayuki Asakawa , Ulrich Heinz , Berndt Muller

Understanding the phase diagram of QCD by measuring fluctuations of conserved charges in heavy-ion collision is one of the main goals of the beam energy scan program at RHIC. Within this work, we calculate the role of hadronic interactions…

Nuclear Theory · Physics 2023-05-10 Jan Hammelmann , Hannah Elfner

Charge fluctuations for a baryon-neutral quark-gluon plasma have been calculated in lattice gauge theory. These fluctuations provide a well-posed rigorous representation of the quark chemistry of the vacuum for temperatures above T_c >~ 155…

Nuclear Theory · Physics 2018-07-11 Scott Pratt , Jane Kim , Chris Plumberg
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