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We investigate the full counting statistics (FCS) of a harmonically confined 1d short-range Riesz gas consisting of $N$ particles in equilibrium at finite temperature. The particles interact with each other through a repulsive power-law…

Statistical Mechanics · Physics 2024-11-08 Jitendra Kethepalli , Manas Kulkarni , Anupam Kundu , Satya N. Majumdar , David Mukamel , Grégory Schehr

The cumulants of baryon number fluctuations serve as a good probe for experimentally exploring the QCD phase diagram at finite density, giving rise to characteristic fluctuation patterns associated with a possible critical endpoint (CEP).…

High Energy Physics - Phenomenology · Physics 2023-08-17 Zhibin Li , Jingmin Liang , Song He , Li Li

Quantum fluctuation expression of the baryon number for a subsystem consisting of hot relativistic spin-$\frac{1}{2}$ particles are derived. These fluctuations seems to diverge in the limit where system size goes to zero. For a broad range…

Nuclear Theory · Physics 2021-11-30 Rajeev Singh

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

The ratio Z_1/Z_3 of vertex and wave-function renormalization factors, which is universal (i.e., matter-independent), is shown to equal 1+u which gives the residue of the scalar pole $\propto p_\mu p_\nu /p^2$ of 2-point function < D_\mu c…

High Energy Physics - Theory · Physics 2007-05-23 Taichiro Kugo

We present results on bulk thermodynamic quantities as well as net baryon number, strangeness and electric charge fluctuations in QCD at non-zero density and temperature obtained from lattice calculations with almost physical quark masses…

High Energy Physics - Lattice · Physics 2008-11-26 Chuan Miao , Christian Schmidt

We consider the effect of volume fluctuations on cumulants of the net baryon number. Based on a general formalism, we derive universal expressions for the net baryon number cumulants in the presence of volume fluctuations with an arbitrary…

High Energy Physics - Phenomenology · Physics 2016-03-03 V. Skokov , B. Friman , K. Redlich

We investigate the Fourier coefficients $b_k(T)$ of the net--baryon number density in strongly interacting matter at nonzero temperature and density. The asymptotic behavior of the coefficients at large $k$ is determined by the…

High Energy Physics - Phenomenology · Physics 2019-08-06 Gabor Andras Almasi , Bengt Friman , Kenji Morita , Pok Man Lo , Krzysztof Redlich

We develop a framework to relate proton number cumulants measured in heavy-ion collisions within a momentum space acceptance to the susceptibilities of baryon number, assuming that particles are emitted from a fireball with uniform…

High Energy Physics - Phenomenology · Physics 2022-08-30 Volodymyr Vovchenko , Volker Koch

We have constructed an equation of state which smoothly interpolates between an excluded volume hadron resonance gas at low energy density to a plasma of quarks and gluons at high energy density. This crossover equation of state agrees very…

Nuclear Theory · Physics 2016-09-21 J. Kapusta , M. Albright , C. Young

We suggest to use net-baryon rapidity distributions in central relativistic heavy-ion collisions at SPS, RHIC and LHC energies in order to probe saturation physics. Within the color glass condensate framework based on small-coupling QCD,…

High Energy Physics - Phenomenology · Physics 2014-11-18 Yacine Mehtar-Tani , Georg Wolschin

We investigate the critical behavior of the first four cumulants of the net-baryon number near the deconfinement critical point in QCD in the limit of heavy quarks. By connecting baryon-number fluctuations to Polyakov loop susceptibilities,…

High Energy Physics - Phenomenology · Physics 2026-05-12 Michał Szymański , Pok Man Lo , Krzysztof Redlich , Chihiro Sasaki

Recent results from the H1 experiment [1] have confirmed the existence of a substantial baryon asymmetry of the proton sea at small $x$ with magnitude predicted in hep-ph/9607486. This is a strong support for the idea [3] that baryon number…

High Energy Physics - Phenomenology · Physics 2009-10-31 B. Z. Kopeliovich , B. Povh

We investigate the fluctuations of the net-baryon number density in dense hadronic matter. Chiral dynamics is modeled via the parity doublet Lagrangian, and the mean-field approximation is employed to account for chiral criticality. We…

Nuclear Theory · Physics 2023-04-05 Michał Marczenko , Krzysztof Redlich , Chihiro Sasaki

Recent results for moments of multiplicity distributions of net-protons and net-electric charge from the STAR collaboration are compared to lattice QCD results for higher order fluctuations of baryon number and electric charge by the…

High Energy Physics - Lattice · Physics 2014-08-06 S. Borsanyi , Z. Fodor , S. D. Katz , S. Krieg , C. Ratti , K. K. Szabo

The presently observed cosmological baryon asymmetry has been finally determined at the time of the electroweak phase transition, when baryon and lepton number violating interactions fell out of thermal equilibrium. We discuss the…

High Energy Physics - Phenomenology · Physics 2007-05-23 W. Buchmuller

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

We present results on baryon number, strangeness and electric charge fluctuations in QCD at non-zero density and temperature obtained from lattice calculations with almost physical quark masses. At vanishing chemical potential, i.e. under…

High Energy Physics - Lattice · Physics 2008-11-26 C. Schmidt , for RBC-Bielefeld Collaboration

We study a one-dimensional gas of $N$ Brownian particles that diffuse independently, but are {\it simultaneously} reset to the origin at a constant rate $r$. The system approaches a non-equilibrium stationary state (NESS) with long-range…

Statistical Mechanics · Physics 2025-11-11 Marco Biroli , Hernan Larralde , Satya N. Majumdar , Gregory Schehr

A black hole holographic model is used to mimic the behavior of the quark gluon plasma at finite temperature and density. This model reproduces lattice data at $\mu_B\!=\!0$ and displays critical behavior at large densities. High order…

Nuclear Theory · Physics 2018-03-14 Israel Portillo