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STAR experiment results from the beam energy scan program at RHIC
beam energy scan program RHIC STAR experiment results
2011/7/21
We present the first results using the STAR detector from the Beam Energy Scan (BES) program at the Relativistic Heavy-Ion Collider (RHIC). In this program, Au ion collisions at center of mass energie...
We present the first results using the STAR detector from the Beam Energy Scan (BES) program at the Relativistic Heavy-Ion Collider (RHIC).
We study the QCD phase diagram at finite temperature and baryon chemical potential by relating the behavior of the light-quark condensate to the threshold energy for the onset of perturbative QCD.
Low and medium energy deuteron-ind ced reactions on $^{63,65}$Cu nuclei
Low medium energy deuteron-ind ced reactions
2011/7/21
The activation cross sections of (d,p), (d,2n), (d,3n), and (d,2p) reactions on 63,65Cu were measured in the energy range from 4 to 20 MeV using the stacked-foils technique.
The Tsallis Distribution and Transverse Momentum Distributions in High-Energy Physics
Tsallis Thermodynamics Consistency Heavy Ions
2011/7/21
The Tsallis distribution has been used recently to fit the transverse momentum distributions of identified particles by the STAR collaboration \cite{Abelev:2006cs} at the Relativistic Heavy Ion Collid...
Plasma damping effects on the radiative energy loss of relativistic particles
Landau-Pomeranchuk-Migdal effect Ter-Mikaelian effect radiative energy loss
2011/7/21
The energy loss of a relativistic charge undergoing multiple scatterings while traversing an infinite, polarizable and absorptive plasma is investigated.
Photon-tagged heavy meson production in high energy nuclear collisions
Photon-tagged heavy meson high energy nuclear collisions
2011/7/21
We study the photon-triggered light and heavy meson production in both p+p and A+A collisions. We find that a parton energy loss approach that successfully describes inclusive hadron attenuation in nu...
Initial fluctuation and dihadron and $γ$-hadron correlations in high-energy heavy ion collisions
Initial fluctuation dihadron $γ$-hadron
2011/7/21
Fluctuations in initial parton density give rise to fluctuating geometrical shapes and hot spots in high energy heavy ion collisions.
Concavity properties prevent the existence of significant landscapes in energy surfaces obtained by energy minimizations under constraints.
Sensitivity of Azimuthal Jet Tomography to Early Time Energy-Loss at RHIC and LHC
RHIC and LHC Energy-Loss Tomography
2011/7/20
We compute the jet path-length dependence of energy-loss for higher azimuthal harmonics of jet-fragments in a generalized model of energy-loss that can interpolate between pQCD and AdS/CFT limits and ...
Low energy ω(\to π^0 γ) meson photoproduction in the nucleus
ω meson photoproduction π0γ invariant mass distribution
2011/7/20
The $\pi^0 \gamma$ invariant mass distribution spectra in the $ (\gamma, \pi^0\gamma) $ reaction were measured by TAPS/ELSA collaboration to look for the hadron parameters of the $\omega$ meson in Nb ...
Nuclear dynamics at the balance energy of mass asymmetric colliding nuclei
heavy-ion collisions uantum molecular dynamics (QMD) model
2011/7/20
Using the quantum molecular dynamics model, we study the nuclear dynamics at the balance energy of mass asymmetric colliding nuclei by keeping the total mass of the system fixed as 40, 80, 160, and 24...
Multifragmentation at the balance energy of mass asymmetric colliding nuclei
asymmetric colliding nuclei balance energy
2011/7/20
Using the quantum molecular dynamics model, we study the role of mass asymmetry of colliding nuclei on the fragmentation at the balance energy and on its mass dependence. The study is done by keeping ...
Stability of fragments and study of participant-spectator matter at peak center-of-mass energy
center-of-mass energy participant-spectator matter
2011/7/20
We simulate the central reactions of nearly symmetric, and asymmetric systems, for the energies at which the maximum production of IMFs occurs (E$_{c.m.}^{peak}$).This study is carried out by using ha...
We estimate the energy loss of a fast gluon propagating in a gluonic fluid due to the radiative process: gg -> ggg by relaxing some of the approximations used in previous works.