Recent Results from RHIC & Some Lessons for Cosmic-Ray Physicists

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dc.creatorKlein, Spencer R.
dc.date2006-11-29
dc.date.accessioned2026-07-07T11:23:48Z
dc.date.available2026-07-07T11:23:48Z
dc.descriptionThe Relativistic Heavy Ion Collider (RHIC) studies nuclear matter under a variety of conditions. Cold nuclear matter is probed with deuteron-gold collisions, while hot nuclear matter(possibly a quark-gluon plasma (QGP)) is created in heavy-ion collisions. The distribution of spin in polarized nucleons is measured with polarized proton collisions, and photoproduction is studied using the photons that accompany heavy nuclei. The deuteron-gold data shows less forward particle production than would be expected from a superposition of $pp$ collisions, as expected due to saturation/shadowing. Particle production in $AA$ collisions is well described by a model of an expanding fireball in thermal equilibrium. Strong hydrodynamic flow and jet quenching shows that the the produced matter interacts very strongly. These phenomena are consistent with new non-perturbative interactions near the transition temperature to the QGP. This writeup will discuss these results, and their implications for cosmic-ray physicists.
dc.description8 pgs; invited talk presented at the XIVth International Symposium on Very High Energy Cosmic Ray Interactions (ISVHECRI 2006)
dc.identifierhttps://arxiv.org/abs/nucl-ex/0611040
dc.identifierhttp://arxiv.org/abs/nucl-ex/0611040
dc.identifierNucl.Phys.Proc.Suppl.175-176:9-16,2008
dc.identifierdoi:10.1016/j.nuclphysbps.2007.10.002
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/195019
dc.subjectNuclear Experiment
dc.subjectAstrophysics
dc.titleRecent Results from RHIC & Some Lessons for Cosmic-Ray Physicists
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