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Gamma-ray bursts (GRBs) are promising as sources of neutrinos and cosmic rays. In the internal shock scenario, blobs of plasma emitted from a central engine collide within a relativistic jet and form shocks, leading to particle acceleration…

高能天体物理现象 · 物理学 2017-06-06 Mauricio Bustamante , Jonas Heinze , Kohta Murase , Walter Winter

We report on a recent paper (Wei\ss\ \& Buchert 1993), where we carry out pencil beam constructions in a high-resolution simulation of the large-scale structure of galaxies. As an example we present the results for the case of…

天体物理学 · 物理学 2007-05-23 A. G. Weiss , T. Buchert

High-energy nuclear collisions encompass three key stages: the structure of the colliding nuclei informed by low-energy nuclear physics, the initial condition (IC) leading to the formation of quark-gluon plasma (QGP), and the hydrodynamic…

Measuring the energy loss of energetic jet partons may provide experimental opportunities to constrain the initial nonequilibrium stages in heavy-ion collisions, which requires theoretical predictions for the jet-medium potential. In this…

高能物理 - 唯象学 · 物理学 2025-09-05 Alois Altenburger , Kirill Boguslavski , Florian Lindenbauer

Studies on finite-size plasma have attracted a lot of attention lately. They can form by ionizing liquid droplets by lasers. The dynamical behavior of such plasma droplets is, therefore, a topic of significant interest. In particular,…

等离子体物理 · 物理学 2024-08-05 Subhasish Bag , Vikrant Saxena , Amita Das

A novel three-fluid dynamical model for simulations of heavy-ion collisions at RHIC Beam Energy Scan programme, called MUFFIN, has been developed. The novelty consists of modular inclusion of the Equation of State, use of hyperbolic…

核理论 · 物理学 2023-12-19 Jakub Cimerman , Iurii Karpenko , Boris Tomasik , Pasi Huovinen

This work studies the production of direct photons in relativistic nuclear collisions, along with the production of hadrons. Radiation from the very first instants to the final moments of the evolution is included. The hybrid model used…

核理论 · 物理学 2022-02-01 Charles Gale , Jean-François Paquet , Björn Schenke , Chun Shen

We study systematically the topological charge density and the chiral density correlations in the early stage of high energy nuclear collisions: the intial condition is given by the McLerran-Venugopalan model and the evolution of the gluon…

高能物理 - 唯象学 · 物理学 2021-02-03 Moran Jia , Junhong Liu , Hongfei Zhang , Marco Ruggieri

Angular correlations measured in heavy ion collisions at the Relativistic Heavy Ion Collider (RHIC) include a same-side (SS) 2D peak which is strongly elongated on pseudorapidity $\eta$ in more-central \auau collisions. The elongated peak…

高能物理 - 唯象学 · 物理学 2015-05-20 Thomas A. Trainor

The preliminary data on hadron multiplicities measured in central Pb+Pb collisions at 158A GeV/c are analyzed. The ideal hadron gas model fails to give a reasonable explanation to the Pb+Pb data sets. We study the possible effects of pion…

核理论 · 物理学 2011-05-05 Granddon D. Yen , Mark I. Gorenstein

We introduce a method to reconstruct full rapidity distributions of charged particle multiplicity and net proton yields, crucial for constraining the longitudinal dynamics of nuclear matter created in the beam energy scan program. Employing…

高能物理 - 唯象学 · 物理学 2024-07-09 Lipei Du

A 1+1 dimensional hydrodynamical model in the light-cone coordinates is used to describe central heavy-ion collisions at ultrarelativistic bombarding energies. Deviations from Bjorken's scaling are taken into account by choosing finite-size…

高能物理 - 唯象学 · 物理学 2008-11-26 L. M. Satarov , I. N. Mishustin , A. V. Merdeev , H. Stoecker

In ultrarelativistic heavy-ion collisions, a plasma of deconfined quarks and gluons is formed within $1$ fm/c of the nuclei's impact. The complex dynamics of the collision before $\approx 1$ fm/c is often described with parametric models,…

核理论 · 物理学 2024-06-24 Matthew R. Heffernan , Charles Gale , Sangyong Jeon , Jean-François Paquet

Proton-proton collisions are studied in the dilute Glasma framework. Compared to experimental multiplicity distributions, the dilute Glasma underestimates large multiplicity events. We show how event-by-event fluctuations of the saturation…

高能物理 - 唯象学 · 物理学 2025-02-25 Andreas Ipp , Markus Leuthner , David I. Müller , Sören Schlichting , Kayran Schmidt , Pragya Singh

In relativistic heavy ion collisions, a highly occupied gluonic matter is created shortly after initial impact, which is in a non-thermal state and often referred to as the Glasma. Successful phenomenology suggests that the glasma evolves…

核理论 · 物理学 2014-04-01 Xu-Guang Huang , Jinfeng Liao

Three-dimensional particle-in-cell simulations show that the periodic solid-state structures irradiated by intense ($\sim 10^{19}$ W/cm${}^2$) laser pulses can generate collimated electron bunches with energies up to 30 MeV (and…

等离子体物理 · 物理学 2023-07-19 D. A. Serebryakov , I. Yu. Kostyukov

In the framework of the grand-canonical ensemble of statistical mechanics, we give an exact diagrammatic representation of the density profiles in a classical multicomponent plasma near a dielectric wall. By a reorganization of Mayer…

统计力学 · 物理学 2007-05-23 Jean-Noel Aqua , Francoise Cornu

We consider a phase-space model for particle production in nuclear collisions. Once the multiplicities of the individual particle species are known, single-inclusive momentum spectra can be computed after making simplifying assumptions for…

核理论 · 物理学 2008-11-26 Werner Deinet , Dirk H. Rischke

Astrophysical observations suggest that magnetic reconnection in relativistic plasmas plays an important role in the acceleration of energetic particles. Modeling this accurately requires numerical schemes capable of addressing large scales…

等离子体物理 · 物理学 2025-09-16 K. M. Schoeffler , F. Bacchini , K. Kormann , B. Eichmann , M. E. Innocenti

We simulate the real-time evolution of the $SU(3)$-glasma generated in the early stages of high-energy proton-nucleus collisions, employing classical lattice gauge theory techniques. Our setup incorporates a realistic modeling of the…

高能物理 - 唯象学 · 物理学 2025-10-24 Gabriele Parisi , Vincenzo Greco , Marco Ruggieri