منابع مشابه
Matter & More in Nuclear Collisions
The aim of high energy nuclear collisions is to study the transition from hadronic matter to a plasma of deconfined quarks and gluons. I review the basic questions of this search and summarize recent theoretical developments in the field. 1. New States of Matter Statistical QCD predicts that high temperatures and baryon densities will lead to new states of strongly interacting matter. Increasin...
متن کاملProbing cold dense nuclear matter.
The protons and neutrons in a nucleus can form strongly correlated nucleon pairs. Scattering experiments, in which a proton is knocked out of the nucleus with high-momentum transfer and high missing momentum, show that in carbon-12 the neutron-proton pairs are nearly 20 times as prevalent as proton-proton pairs and, by inference, neutron-neutron pairs. This difference between the types of pairs...
متن کاملSpin Polarization Phenomena in Dense Nuclear Matter
Spin polarized states in nuclear matter with an effective nucleon-nucleon interaction are studied for a wide range of isospin asymmetries and densities. Based on a Fermi liquid theory, it is shown that there are a few possible scenarios of spin ordered phase transitions: (a) nuclear matter undergoes at some critical density a phase transition to a spin polarized state with the oppositely direct...
متن کاملChiral Quark Dynamics in Dense Nuclear Matter †
We consider a new approach to the description of dense nuclear matter in the framework of chirally symmetric, quark-based hadron models. As previously in the Skyrme model, the dense environment is described in terms of hyperspherical cells of unit baryon number. The intrinsic curvature of these cells generates a new gauge interaction for the quark fields which mediates interactions with the amb...
متن کاملGluon production, cooling, and entropy in nuclear collisions.
We study the cooling (heating) of a glue-parton gas due to production (destruction) of particles and determine the associated production of entropy. We incorporate sharing of the system energy among a changing number of particles. We find that the entropy of an evolving glue-parton gas changes in an insignificant range once the initial high temperature state has been formed, despite a great cha...
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ژورنال
عنوان ژورنال: Physics-Uspekhi
سال: 2005
ISSN: 1063-7869,1468-4780
DOI: 10.1070/pu2005v048n04abeh001890