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We consider a possible mechanism of thermalization of nucleons in relativistic heavy-ion collisions. Our model belongs, to a certain degree, to the transport ones; we investigate the evolution of the system created in nucleus-nucleus…

Nuclear Theory · Physics 2009-11-20 D. Anchishkin , A. Muskeyev , S. Yezhov

A comprehensive study of the anisotropic flow of heavy hadrons ($D^{0}$, $D^{\pm}$, and $\Lambda_{c}$) in Au + Au collisions at $\sqrt{s_{NN}} = 200$ GeV using the HYDJET++ model is presented. This study aims to explore the collective…

High Energy Physics - Phenomenology · Physics 2025-06-17 Sunidhi Saxena , Gauri Devi , Rajiv Gupta , Ajay Kumar

Nucleon exchange mechanism is investigated in central collisions of symmetric heavy-ions in the basis of the stochastic mean-field approach. Quantal diffusion coefficients for nucleon exchange are calculated by including non-Markovian…

Nuclear Theory · Physics 2015-06-11 S. Ayik , O. Yilmaz , B. Yilmaz , A. S. Umar , A. Gokalp , G. Turan , D. Lacroix

Heavy-ion collisions at the LHC provide the conditions to investigate regions of quark-gluon plasma that reach higher temperatures and that persist for longer periods of time compared to collisions at the Relativistic Heavy Ion Collider.…

Nuclear Theory · Physics 2021-08-04 Scott Pratt , Christopher Plumberg

Measurements of a variety of hadron species in Au+Au collisions at 200 GeV by the STAR experiment are used to investigate properties of such collisions. We present a study of particle yields and transverse momentum spectra within the…

Nuclear Experiment · Physics 2017-08-23 Olga Barannikova

Complex oxides exhibit many intriguing phenomena, including metal-insulator transition, ferroelectricity/multiferroicity, colossal magnetoresistance and high transition temperature superconductivity. Advances in epitaxial thin film growth…

Strongly Correlated Electrons · Physics 2017-06-07 Hanghui Chen , Andrew J. Millis

An analytical model has been developed to map out the low-pressure (left-hand) branch of the Paschen curve at very high voltage when electrons are in the runaway regime and charge exchange/ionization avalanche by ions and fast neutral atoms…

Plasma Physics · Physics 2018-04-11 Liang Xu , Alexander V. Khrabrov , Igor D. Kaganovich , Timothy J. Sommerer

Nucleon exchange mechanism is investigated in the central collisions of ${}^{40}$Ca + ${}^{238}$U and ${}^{48}$Ca + ${}^{238}$U systems near the quasi-fission regime in the framework of the Stochastic Mean-Field (SMF) approach. Sufficiently…

Nuclear Theory · Physics 2016-01-12 S. Ayik , B. Yilmaz , O. Yilmaz

In this proceedings, we report measurements of the third harmonic coefficient of the azimuthal anisotropy, $v_{3}$, known as triangular flow. The analysis is for charged particles near midrapidity in Au+Au collisions at $\sqrt {s_{NN}} $ =…

Nuclear Experiment · Physics 2019-08-13 Yadav Pandit

We develop an analytic model of thermal state-to-state rotationally inelastic collisions of asymmetric-top molecules with closed-shell atoms in electric fields, and apply it to the Ar--H$_2$O collision system. The predicted cross sections…

Chemical Physics · Physics 2010-01-05 Mikhail Lemeshko , Bretislav Friedrich

Event shapes for Au + Au collisions at 11.4 GeV/c per nucleon were studied over nearly the full solid angle with the E877 apparatus. The analysis was performed by Fourier expansion of azimuthal distributions of the transverse energy (E_T)…

High Energy Physics - Experiment · Physics 2011-08-19 J. Barrette

We present calculations of the electron angular distributions in the single ionization of helium by 1-MeV proton impact at momentum transfer of 0.75 a.u. and ejected-electron energy of 6.5 eV. The results using the first and second Born…

Atomic Physics · Physics 2017-11-02 O. Chuluunbaatar , S. A. Zaytsev , K. A. Kouzakov , A. Galstyan , V. L. Shablov , Yu. V. Popov

We present a systematic hydrodynamic study of the evolution of hadron spectra and their azimuthal anisotropy from the lowest collision energy studied at the Relativistic Heavy Ion Collider (RHIC), sqrt(s) = 7.7 A GeV, to the highest energy…

Nuclear Theory · Physics 2013-05-14 Chun Shen , Ulrich Heinz

The flow harmonics $v_{2,3}$ for charged hadrons, are studied for a broad range of centrality selections and beam collision energies in Au+Au ($\sqrt{s_{NN}}= 7.7 - 200$ GeV) and Pb+Pb ($\sqrt{s_{NN}}= 2.76$ TeV) collisions. They validate…

Nuclear Experiment · Physics 2013-08-20 Roy A. Lacey , A. Taranenko , J. Jia , D. Reynolds , N. N. Ajitanand , J. M. Alexander , Yi Gu , A. Mwai

Differential production cross sections of K$^-$ and K$^+$ mesons have been measured as function of the polar emission angle in Ni+Ni collisions at a beam energy of 1.93 AGeV. In near-central collisions, the spectral shapes and the widths of…

In this paper, a study is presented on the charge transport in n-type doped semiconductor 6H-SiC (in both transient and steady state) using a nonequilibrium quantum kinetic theory derived from the method of nonequilibrium statistical…

Materials Science · Physics 2021-10-05 Ricardo Tadeu Ferracioli , Clóves Gonçalves Rodrigues , Roberto Luzzi

Akin to the traditional quasi-classical trajectory method for investigating the dynamics on a single adiabatic potential energy surface for an elementary chemical reaction, we carry out the dynamics on a 2-state ab initio potential energy…

We study the collision energy dependence of elliptic flow v_2 and triangular flow v_3 in Au+Au collisions within the energy range sqrt(s_{NN}) = 5-200 GeV, utilizing a transport + hydrodynamics hybrid model. The transport part is described…

Nuclear Theory · Physics 2014-04-11 Jussi Auvinen , Hannah Petersen

Anion and cation emission following water dissociation was studied for 6.6-keV $^{16}$O$^{+}$ + H$_{2}$O collisions. Absolute cross sections for the emission of all positively and negatively charged fragments, differential in both energy…

We report on the observation of cold collisions between $^6$Li atoms and Yb$^+$ ions. This combination of species has recently been proposed as the most suitable for reaching the quantum limit in hybrid atom-ion systems, due to its large…

Atomic Physics · Physics 2017-10-25 J. Joger , H. Fürst , N. Ewald , T. Feldker , M. Tomza , R. Gerritsma