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The statistical hadronization model has been successful in extracting information at chemical freeze-out in heavy-ion collisions. At RHIC, with a collision energy of $\sqrt{s_{NN}}=200$ GeV, many different ion species have been used for…

Nuclear Theory · Physics 2024-12-11 Feyisola Nana , Jordi Salinas San Martín , Jacquelyn Noronha-Hostler

We present various order moments (Variance ($\sigma^2$), Skewness($S$), Kurtosis($\kappa$)) of net-proton multiplicity distributions in Au+Au collisions from the first phase of RHIC beam energy scan ({\sNN}=7.7$-$200 GeV). The measurements…

Nuclear Experiment · Physics 2019-08-13 Xiaofeng Luo

Assuming the Ornstein-Uhlenbeck process and relativistic diffusion equations with three sources at y = 0, we analyze eta-distributions of d+Au collision as well as Au+Au collisions at sqrt{s_{NN}} = 130 GeV and 200 GeV.

Nuclear Theory · Physics 2007-05-23 Minoru Biyajima , Masahiro Kaneyama , Takuya Mizoguchi , Noriaki Nakajima

The observation of jet quenching and associated away--side Mach cone--like correlations at RHIC provide powerful ``external'' probes of the sQGP produced in A+A reactions, but it simultaneously raises the question where the jet energy was…

High Energy Physics - Phenomenology · Physics 2008-11-26 Barbara Betz , Miklos Gyulassy , Dirk H. Rischke , Horst Stöcker , Giorgio Torrieri

Seven-core Ag/Fe sheathed Sr0.6K0.4Fe2As2 (Sr-122) superconducting wires were produced by the ex situ powder-in-tube (PIT) method. The relationship between the cold-work deformation process and the superconducting properties of wires were…

Superconductivity · Physics 2014-06-04 Chao Yao , Yanwei Ma , Chengduo Wang , Xianping Zhang , Dongliang Wang , Chunlei Wang , He Lin , Qianjun Zhang

Mode-mode coupling theory is presented for the resonant pumping via dynamical tunneling processes in a deformed microcavity. From the steady-state solution of the coupled differential equations of chaotic modes and a high-Q regular mode,…

Quantum Physics · Physics 2010-05-27 Kyungwon An , Juhee Yang

We have compared the experimental data on charged particle elliptic flow parameter (v2) in Au+Au collisions at midrapidity for \surd sNN = 9.2, 19.6, 62.4 and 200 GeV with results from various models in heavy-ion collisions like UrQMD,…

Nuclear Experiment · Physics 2010-12-02 Md. Nasim , Lokesh Kumar , Pawan Kumar Netrakanti , Bedangadas Mohanty

We study Freeze Out process in high energy heavy ion reaction. The description of the process is based on the Boltzmann Transport Equation (BTE). We point out the basic limitations of the BTE approach and introduce Modified BTE. The Freeze…

High Energy Physics - Phenomenology · Physics 2020-05-20 L. P. Csernai , V. K. Magas , E. Molnar , A. Nyiri , K. Tamosiunas

We develop a combined hydro-kinetic approach which incorporates a hydrodynamical expansion of the systems formed in \textit{A}+\textit{A} collisions and their dynamical decoupling described by escape probabilities. The method corresponds to…

Nuclear Theory · Physics 2008-11-26 S. V. Akkelin , Y. Hama , Iu. A. Karpenko , Yu. M. Sinyukov

Recent RHIC results on pion production in AuAu collision at sqrt(s)=130 and 200 AGeV display a strong suppression effect at high p_T. This suppression can be connected to final state effects, namely jet energy loss induced by the produced…

High Energy Physics - Phenomenology · Physics 2009-10-09 G. G. Barnafoldi , P. Levai , G. Papp , G. Fai , M. Gyulassy

Recent theoretical studies have indicated that the topological features of away-side jet fragments can be significantly altered by medium-induced modifications. The leading candidates resulting from such modifications are Mach Cones and…

Nuclear Experiment · Physics 2008-11-26 N. N. Ajitanand

Transport through two quantum dots laterally embedded in Aharonov-Bohm interferometry with infinite intradot and arbitrary interdot Coulomb repulsion is analyzed in the weak coupling and Coulomb blockade regime. By employing the modified…

Mesoscale and Nanoscale Physics · Physics 2009-11-10 Jing Ma , Bing Dong , X. L. Lei

Using the string melting version of a multiphase transport model, we focus on the evolution of thermodynamic properties of the central cell of parton matter produced in Au$+$Au collisions ranging from 200 GeV down to 2.7 GeV. The…

Nuclear Theory · Physics 2022-04-01 Han-Sheng Wang , Guo-Liang Ma , Zi-Wei Lin , Wei-jie Fu

We study ramp and periodic dynamics of ultracold bosons in an one-dimensional (1D) optical lattice which supports quantum critical points separating a uniform and a $Z_3$ or $Z_4$ symmetry broken density-wave ground state. Our protocol…

Strongly Correlated Electrons · Physics 2018-01-29 Roopayan Ghosh , Arnab Sen , K. Sengupta

A class of energy-transport equations without electric field under mixed Dirichlet-Neumann boundary conditions is analyzed. The system of degenerate and strongly coupled parabolic equations for the particle density and temperature arises in…

Analysis of PDEs · Mathematics 2013-10-15 Nicola Zamponi , Ansgar Jüngel

We assume that the early evolution of matter produced in relativistic heavy-ion collisions is described by the transverse hydrodynamics. In this approach only transverse degrees of freedom are thermalized, while the longitudinal motion is…

Nuclear Theory · Physics 2010-11-01 R. Ryblewski , W. Florkowski

In the unsplittable capacitated vehicle routing problem, we are given a metric space with a vertex called depot and a set of vertices called terminals. Each terminal is associated with a positive demand between 0 and 1. The goal is to find…

Data Structures and Algorithms · Computer Science 2022-09-14 Fabrizio Grandoni , Claire Mathieu , Hang Zhou

We show that by integrating out the electric field and incorporating proper boundary conditions, a semiclassical Boltzmann equation can describe electron transport properties, continuously from the diffusive to ballistic regimes. General…

Mesoscale and Nanoscale Physics · Physics 2016-08-25 H. Geng , W. Y. Deng , Y. J. Ren , L. Sheng , D. Y. Xing

Hydrogen is an energy vector, and one possible way to reduce CO 2 emissions. This paper focuses on a hydrogen transport problem where mobile storage units are moved by trucks between sources to be refilled and destinations to meet demands,…

Optimization and Control · Mathematics 2025-03-06 Raian Lefgoum , Sezin Afsar , Pierre Carpentier , Jean-Philippe Chancelier , Michel de Lara

A simplified transient energy-transport system for semiconductors subject to mixed Dirichlet-Neumann boundary conditions is analyzed. The model is formally derived from the non-isothermal hydrodynamic equations in a particular vanishing…

Analysis of PDEs · Mathematics 2012-06-26 Ansgar Jüngel , René Pinnau , Elisa Röhrig