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Related papers: Temperatures of Exploding Nuclei

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We present calculations of the chemical freeze-out temperature (T_ch) based on particle yields from STAR and ALICE measured at collision energies ranging from sqrt{s_{NN}} = 11.5 GeV to 5.02 TeV. Employing the Grand Canonical Ensemble…

Nuclear Experiment · Physics 2021-01-27 Fernando Antonio Flor , Gabrielle Olinger , Rene Bellwied

A qualitative and quantitative comparison of the recent GSI measurements of the nuclide yields from 208Pb and 238U at 1 GeV/nucleon and 197Au at 800 MeV/nucleon interactions with protons with the codes LAHET (with both ISABEL and Bertini…

The expansion of an isolated hot spherical nucleus with excitation energy and its caloric curve are studied in a thermodynamic model with the SkM* force as the nuclear effective two-body interaction. The calculated results are shown to…

Nuclear Theory · Physics 2010-12-23 J. N. De , S. K. Samaddar , X. Vinas , M. Centelles

We present a determination of chemical freeze-out conditions in heavy ion collisions based on ratios of cumulants of net electric charge fluctuations. These ratios can reliably be calculated in lattice QCD for a wide range of chemical…

High Energy Physics - Lattice · Physics 2012-11-27 A. Bazavov , H. -T. Ding , P. Hegde , O. Kaczmarek , F. Karsch , E. Laermann , Swagato Mukherjee , P. Petreczky , C. Schmidt , D. Smith , W. Soeldner , M. Wagner

Here we thoroughly discuss some weak points of the thermal model which is traditionally used to describe the hadron multiplicities measured in the central nucleus-nucleus collisions. In particularly, the role of conservation laws, the…

High Energy Physics - Phenomenology · Physics 2014-04-18 D. R. Oliinychenko , K. A. Bugaev , A. S. Sorin

Simulations based on experimental data obtained from multifragmenting quasi-fused nuclei produced in central $^{129}$Xe + $^{nat}$Sn collisions have been used to deduce event by event freeze-out properties in the thermal excitation energy…

We study the threshold temperature for pairwise thermal entanglement in the spin-1/2 isotropic Heisenberg model up to 11 spins and find that the threshold temperature for odd and even number of qubits approaches the thermal dynamical limit…

Quantum Physics · Physics 2009-11-07 Xiaoguang Wang

Centrality-dependent double-differential transverse momentum spectra of negatively charged particles ($\pi^-$, $K^-$ and $\bar p$) at mid-(pseudo)rapidity interval in nuclear collisions are analyzed by the standard distribution in terms of…

High Energy Physics - Phenomenology · Physics 2020-05-28 Muhammad Waqas , Fu-Hu Liu , Zafar Wazir

Starting from experimental studies on alpha-clustering in excited self-conjugate nuclei (from $^{16}$O to $^{28}$Si), temperature and density conditions for such a clustering are determined. Measured temperatures have been found in the…

We perform a global model-to-data comparison on Au+Au collisions at $\sqrt{s_{NN}}=200$ GeV and Pb+Pb collisions at $2.76$ TeV and $5.02$ TeV, using a 2+1D hydrodynamics model with the EKRT initial state and a shear viscosity over entropy…

High Energy Physics - Phenomenology · Physics 2018-11-06 Jussi Auvinen , Kari J. Eskola , Pasi Huovinen , Harri Niemi , Risto Paatelainen , Peter Petreczky

Rate coefficients for inelastic collisions between Li and H atoms covering all transitions between the asymptotic states Li(2s,2p,3s,3p,3d,4s,4p,4d,4f)+H(1s) and Li^+ +H^- are presented for the temperature range 2000-8000 K based on recent…

Astrophysics · Physics 2009-11-10 P. S. Barklem , A. K. Belyaev , M. Asplund

We calculate the observed luminosity and spectrum following the emergence of a relativistic shock wave from a stellar edges. Shock waves propagating at $0.6<\Gamma_\text{sh}\beta_\text{sh}$, where $\Gamma_\text{sh}$ is the shock Lorentz…

High Energy Astrophysical Phenomena · Physics 2023-02-08 Tamar Faran , Re'em Sari

We compute the $^{63}$Ga(p,$\gamma$)$^{64}$Ge and $^{64}$Ge(p,$\gamma$)$^{65}$As thermonuclear reaction rates using the latest experimental input supplemented with theoretical nuclear spectroscopic information. The experimental input…

Nuclear Theory · Physics 2024-12-19 Ning Lu , Yi Hua Lam , Alexander Heger , Zi Xin Liu , Hidetoshi Yamaguchi

The pseudorapidity densities of transverse energy, the charged particle multiplicity and their ratios, $E_T/N_{ch}$, are estimated at mid-rapidity, in a statistical-thermal model based on chemical freeze-out criteria, for a wide range of…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Cleymans , R. Sahoo , D. P. Mahapatra , D K Srivastava , S. Wheaton

We investigate heteronuclear collisions in isotope mixtures of laser-cooled metastable 3P2 neon. Experiments are performed with spin-polarized atoms in a magnetic trap for all two-isotope combinations of the stable neon isotopes 20Ne, 21Ne,…

Atomic Physics · Physics 2012-08-29 Jan Schütz , Thomas Feldker , Holger John , Gerhard Birkl

We have studied the fragment yields emitted from the fragmentation of excited projectile nuclei in peripheral collisions of 136Xe+Pb at 1 GeV/nucleon, and measured with the high-resolution magnetic spectrometer, the Fragment Separator (FRS)…

Nuclear Theory · Physics 2021-07-14 H. Imal , R. Ogul

Utilizing a partitioning method based on equal (or unequal) probabilities -- without incorporating the alpha-cluster ($\alpha$-cluster) model -- allows for the derivation of diverse topological configurations of nuclear fragments resulting…

Nuclear Theory · Physics 2026-04-21 Ting-Ting Duan , Sahanaa Büriechin , Hai-Ling Lao , Fu-Hu Liu , Khusniddin K. Olimov

Transverse momentum (mass) spectra of positively and negatively charged pions, positively and negatively charged kaons, protons and antiprotons produced at mid-(pseudo)rapidity in various collisions at high energies are analyzed in this…

High Energy Physics - Phenomenology · Physics 2020-06-16 Li-Li Li , Fu-Hu Liu , Muhammad Waqas , Rasha Al-Yusufi , Altaf Mujear

An extensive experimental survey of the features of the disassembly of a small quasi-projectile system with $A \sim$ 36, produced in the reactions of 47 MeV/nucleon $^{40}$Ar + $^{27}$Al, $^{48}$Ti and $^{58}$Ni, has been carried out.…

A statistical (thermal) model is applied to the description of hadron yields measured at central nucleus-nucleus collisions at the top RHIC energy $\sqrt{s_{NN}} = 200$ GeV and the LHC energy $\sqrt{s_{NN}} = 2.76$ TeV. In contrast to the…

Nuclear Theory · Physics 2021-05-19 Dariusz Prorok