نتایج جستجو برای: heavy ion
تعداد نتایج: 317162 فیلتر نتایج به سال:
Experiments, which use a combination of the PHELIX laser kJ-option and the heavy ion beam of 4-10 MeV/u energy delivered by the UNILACaccelerator, are aimed at investigation of the heavy ion energy loss in ionized matter. In these experiments a large scale (~1mm) long living (~5ns) high density plasma target with homogeneously distributed plasma density, temperature and ionization degree is req...
I outline experimental results on heavy ion collisions at the Relativistic Heavy Ion Collider for a non-technical audience. This includes: elliptic flow and nearly ideal hydrodynamics; the suppression of hard particles and the ratio RAA; and electromagnetic signals, including dileptons and direct photons. Especially puzzling is why the behavior of heavy (charm) quarks appears to be so similar t...
ALICE will study the physics of the strongly interacting matter produced in nucleus-nucleus collisions at the LHC where the formation of the Quark Gluon Plasma is expected. The experimental setup, the capabilities of the detector, and a few selected heavy-ion topics will be presented and discussed. Quantum Chromodynamics (QCD) predicts a transition from a stable state of matter formed by hadron...
During the past fifty years, our concept of an elementary particle has undergone a fundamental change. Today we understand hadrons as bound states of quarks, and thus as composite. In strong interaction physics, quarks have become the smallest building blocks of nature. But the binding force between quarks confines them to their hadron, which cannot be split into its quark constituents. In term...
In the first part of the talk, we briefly review the problem of parton-energy loss and thermalization at the Relativistic Heavy-Ion Collider and discuss how heavy quarks (charm and bottom) can help to resolve the existing experimental and theoretical puzzles. The second part of the talk is devoted to the properties of heavy quarkonia in the (strongly interacting) Quark-Gluon Plasma (sQGP) and t...
Laser ion source (LIS) already has about thirty years history, and has many variety of usages. Since 2000 we have focused on high brightness of induced laser plasma to provide intense highly charged ions efficiently. To take an advantage of the intrinsic density of the plasma, Direct Plasma Injection Scheme (DPIS) has been developed. The induced laser plasma has initial expanding velocity and c...
There are interesting parallels between the physics of heavy ion collisions and cosmology. Both systems are out-ofequilibrium and relativistic fluid dynamics plays an important role for their theoretical description. From a comparison one can draw interesting conclusions for both sides. For heavy ion physics it could be rewarding to attempt a theoretical description of fluid perturbations simil...
These proceedings provide an overview of the new results obtained with the ATLAS detector at the LHC, which were presented in the Quark Matter 2017 conference. These results were covered by twelve parallel talks, one flash talk and eleven posters. These proceedings group these results into five areas: initial state, jet quenching, quarkonium production, longitudinal flow dynamics, and collectiv...
We discuss the question of equilibriation in heavy ion collisions and how it can be addressed in experiment
We present a model of fast hadronization of constituent quark matter in relativistic heavy ion collisions based on rate equations and capture cross sections in non-relativistic potential. We utilize a thermodynamically consistent approach with a non-ideal equation of state including correlation terms based on string phenomenology. We investigate strange and non-strange particle ratios observed ...
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