English
Related papers

Related papers: Higher-order cumulants of net-charge distributions…

200 papers

It is shown how high-order cumulants of net-charge distribution in hadronic collisions at LHC energies can be expressed via lower-order terms under the assumption that particle-antiparticle pairs are produced in independent local processes.…

Nuclear Theory · Physics 2020-09-15 Igor Altsybeev

Measurement of higher order cumulants of the distributions of conserved quantities, like net-charge, net-baryon and net-strangeness in heavy-ion collisions, is proposed as a sensitive tool to determine the freeze-out parameters and the…

Nuclear Experiment · Physics 2024-05-28 Abdussamad M , Rahul Verma , Nirbhay Kumar Behera , Sadhana Dash , Basanta Kumar Nandi

We investigate the time evolution of higher order cumulants of conserved charges in a volume with the diffusion master equation. Applying the result to the diffusion of non-Gaussian fluctuations in the hadronic stage of relativistic heavy…

Nuclear Theory · Physics 2015-06-16 Masakiyo Kitazawa , Masayuki Asakawa , Hirosato Ono

Cumulants of conserved charges fluctuations are regarded as a potential tool to study the criticality in the QCD phase diagram and to determine the freeze-out parameters in a model-independent way. At LHC energies, the measurements of the…

High Energy Physics - Experiment · Physics 2019-02-20 Nirbhay Kumar Behera

Higher moments of distributions of net charge and baryon number in heavy-ion collisions have been proposed as signals of fundamental QCD phase transitions. In order to better understand background processes for these observables, models are…

Nuclear Theory · Physics 2021-01-04 Scott Pratt , Rachel Steinhorst

We investigate the effect of the global charge conservation on the cumulants of conserved charges in relativistic heavy ion collisions in a finite rapidity window by studying the time evolution of cumulants in the hadronic medium. It is…

Nuclear Theory · Physics 2015-06-11 Miki Sakaida , Masayuki Asakawa , Masakiyo Kitazawa

We study the correlation between the distributions of the net-charge, net-kaon, net-baryon and net-proton number at hadronization and after the final hadronic decoupling by simulating ultra relativistic heavy ion collisions with the hybrid…

Nuclear Theory · Physics 2017-11-23 J. Steinheimer , V. Vovchenko , J. Aichelin , M. Bleicher , H. Stöcker

We discuss the modification of the cumulants of the net baryon and net proton distributions due to the global conservation of baryon number in heavy-ion collisions. Corresponding probability distributions and their cumulants are derived…

High Energy Physics - Phenomenology · Physics 2013-05-30 Adam Bzdak , Volker Koch , Vladimir Skokov

Up to 6th order cumulants of fluctuations of net baryon-number, net electric charge and net strangeness as well as correlations among these conserved charge fluctuations are now being calculated in lattice QCD. These cumulants provide a…

High Energy Physics - Lattice · Physics 2018-03-14 Frithjof Karsch

Lattice QCD models predict the presence of a critical point in the QCD phase diagram where the first order phase transition between the hadron gas and Quark-Gluon Plasma ceases to exist. Higher moments of conserved quantities, such as…

Nuclear Experiment · Physics 2013-04-19 Nihar R. Sahoo , Sudipan De , Tapan K. Nayak

We study the influence of global baryon number conservation on the non-critical baseline of net baryon cumulants in heavy-ion collisions in a given acceptance, accounting for the asymmetry between the mean-numbers of baryons and…

Fluctuation measurements are important sources of information on the mechanism of particle production at LHC energies. This article reports the first experimental results on third-order cumulants of the net-proton distributions in Pb$-$Pb…

Nuclear Experiment · Physics 2023-11-28 ALICE Collaboration

We investigate the effect of the global charge conservation on the cumulants of conserved charges observed in relativistic heavy ion collisions in a finite rapidity window, $\Delta\eta$, with a special emphasis on the time evolution of…

Nuclear Theory · Physics 2015-06-23 Miki Sakaida , Masayuki Asakawa , Masakiyo Kitazawa

We analyze the behavior of cumulants of conserved charges in a subvolume of a thermal system with exact global conservation laws by extending a recently developed subensemble acceptance method (SAM) [V. Vovchenko et al., arXiv:2003.13905]…

High Energy Physics - Phenomenology · Physics 2020-10-16 Volodymyr Vovchenko , Roman V. Poberezhnyuk , Volker Koch

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

The effects of volume corrections and resonance decays (the resulting correlations between positive charges and negative charges) on cumulants of net-proton distributions and net-charge distributions are investigated by using a Monte Carlo…

Nuclear Theory · Physics 2016-12-21 Hao-jie Xu

We explore net charge probability distributions in heavy ion collisions within the hadron resonance gas model. The distributions for strangeness, electric charge and baryon number are derived. We show that, within this model, net charge…

High Energy Physics - Phenomenology · Physics 2015-06-03 P. Braun-Munzinger , B. Friman , F. Karsch , K. Redlich , V. Skokov

We introduce a fast and simple method of computing cumulants of net-proton or net-charge fluctuations in event-by-event hydrodynamic simulations of heavy-ion collisions. One evaluates the mean numbers of particles in every hydrodynamic…

After briefly reviewing recent progress by the HotQCD collaboration in studying the 2+1 flavor QCD equation of state, we will focus on results on fluctuations of conserved charges by the BNL-Bielefeld and HotQCD collaborations. Higher order…

High Energy Physics - Lattice · Physics 2015-06-12 Christian Schmidt

Proxies for cumulants of baryon number $B$, electric charge $Q$ and strangeness $S$ are usually measured in heavy-ion collisions via moments of net-number distribution of given hadronic species. Since these cumulants of conserved charges…

High Energy Physics - Phenomenology · Physics 2024-03-05 Johannes Jahan , Claudia Ratti , Maria Stefaniak , Klaus Werner
‹ Prev 1 2 3 10 Next ›