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In this work, the controversy between the interpretations of recent measurements on dense aluminum plasma created with Linac coherent light sources (LCLS) X-ray free electron laser (FEL) and Orion laser has been addressed. In both kind of…

Atomic Physics · Physics 2015-06-11 S. Bhattacharyya , J. K. Saha , T. K. Mukherjee

Nonlinear regimes of one-dimensional parametric instabilities of long-wave plasma waves are considered for the cases when the average plasma field energy density is less (Zakharov's model) or greater (Silin's model) than the plasma thermal…

Plasma Physics · Physics 2015-02-03 A. V. Kirichok , V. M. Kuklin , A. V. Pryjmak , A. G. Zagorodny

Photoionization models of the giant HII region 30 Doradus are built and confronted to available UV, optical, IR (ISO) and radio spectra, under black-body or CoStar SEDs for the primary source and various density distributions for the…

Astrophysics · Physics 2009-11-13 Y. G. Tsamis , D. Pequignot

The skewness and the kurtosis of the baryon number distributions are computed within QCD-improved low energy effective models including quantum thermal and density fluctuations. The results are compared with the Beam Energy Scan experiment…

High Energy Physics - Phenomenology · Physics 2016-06-01 Wei-jie Fu , Jan M. Pawlowski

We discuss dense states of QCD matter formed in high-energy hadronic and heavy-ion collisions from the point of view of statistical physics of non-equilibrium processes. For this sake, we first propose a formulation of the dynamical entropy…

High Energy Physics - Phenomenology · Physics 2013-03-27 Robi Peschanski

The energy density is the prime parameter to define the deconfinement of quarks and gluons occurring in collisions of heavy ions. Recently, there is mounting evidence that many observables in proton-proton collisions behave in a manner very…

High Energy Physics - Phenomenology · Physics 2016-08-09 E. Cuautle , G. Paić

We study the dynamical fluctuations of various particle yield ratios at different incident energies. Assuming that the particle production yields in the hydronic final state are due to equilibrium chemical processes ($\gamma=1$), the…

High Energy Physics - Phenomenology · Physics 2015-05-13 A. Tawfik

We propose a non-equilibrium, hadronic kinetic model for describing the relative abundance of strange particles in ultra-relativistic heavy-ion collisions. The energy dependence of the multiplicity ratios of charged kaons and lambdas to…

Nuclear Theory · Physics 2007-05-23 Boris Tomasik , Evgeni E Kolomeitsev

In p-p collisions, the produced charge particles consist of two leading particles and those frozen out from the hot and dense matter created in collisions. The two leading particles are respectively in the projectile and target…

Nuclear Theory · Physics 2016-05-31 Zhi-Jin Jiang , Yan Huang , Jie Wang

In the paper "Excitation Mechanism of Near-Infrared [Fe II] Emission in Seyfert and Starburst Galaxies" by Hideaki Mouri, Kimiaki Kawara, and Yoshiaki Taniguchi (ApJ, 528, 186 [2000]), the two panels of Figure 6 were printed into different…

Astrophysics · Physics 2015-06-24 H. Mouri , K. Kawara , Y. Taniguchi

We briefly describe two statistical hadronization models, based respectively on the presence and absence of light quark chemical equilibrium, used to analyze particle yields in heavy ion collisions. We then try to distinguish between these…

Nuclear Theory · Physics 2008-11-26 Giorgio Torrieri

Erratum for paper "Light-induced desorption of alkali-metal atoms from paraffin coating" [Phys. Rev. A 66, 042903 (2002).

Atomic Physics · Physics 2009-11-10 E. B. Alexandrov , M. V. Balabas , D. Budker , D. English , D. F. Kimball , C. -H. Li , V. V. Yashchuk

The Hellmann-Feynman (HF) theorem provides a way to compute forces directly from the electron density, enabling efficient force calculations for large systems through machine learning (ML) models for the electron density. The main issue…

Heavy-ion collisions are well described by a dynamical evolution with a long hydrodynamical phase. In this phase the properties of the strongly coupled quark-gluon plasma are reflected in the equation of state (EoS) and the transport…

Nuclear Theory · Physics 2018-12-06 A. Dubla , S. Masciocchi , J. M. Pawlowski , B. Schenke , C. Shen , J. Stachel

We report an ab initio evaluation of the surface energy of a simple metal, performed via a coupling-constant integration over the dynamical density-response function. The rapid rate of change of the electron density at the surface is…

Materials Science · Physics 2009-10-30 J. M. Pitarke , A. G. Eguiluz

Large spatial density fluctuations in high-energy heavy-ion collisions can come from many sources: initial transverse density fluctuations, non-central collisions, phase transitions, surface tension, and fragmentations. The common presence…

High Energy Physics - Phenomenology · Physics 2008-11-26 Cheuk-Yin Wong , Wei-Ning Zhang

In this contribution we briefly give an overview of the theoretical models used to describe experimental data from heavy-ion collisions from $\sqrt{s_{NN}} \approx $ 4 GeV to ultra-relativistic energies of $\sqrt{s_{NN}} \approx $ 5 TeV. We…

Nuclear Theory · Physics 2017-11-07 E. L. Bratkovskaya , W. Cassing , P. Moreau , T. Song

Several new corrections of order $m\alpha^6$ to the energy levels of $S$ states in helium are obtained from radiative corrections to the Breit potential and from the polarization insertions in the two photon exchange graphs. While…

High Energy Physics - Phenomenology · Physics 2007-05-23 Michael I. Eides , Howard Grotch

We compare ten transport codes for a system confined in a box, aiming at improved handling of the production of $\Delta$ resonances and pions, which is indispensable for constraining high-density symmetry energy from observables such as the…