Properties of the matter created in heavy ion collisions – results from the PHOBOS experiment
K. W. WoźniakInstitute of Nuclear Physics PAN, Kraków, PolandB. AlverMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAB. B BackArgonne National Laboratory, Argonne, IL 60439-4843, USAM. D. BakerBrookhaven National Laboratory, Upton, NY 11973-5000, USAM. BallintijnMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAD. S. BartonBrookhaven National Laboratory, Upton, NY 11973-5000, USARussell Richard BettsUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAA. A. BickleyUniversity of Maryland, College Park, MD 20742, USAR. BindelUniversity of Maryland, College Park, MD 20742, USAW. BuszaMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAA. CarrollBrookhaven National Laboratory, Upton, NY 11973-5000, USAZ. ChaiBrookhaven National Laboratory, Upton, NY 11973-5000, USAV. ChetluruUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAM. P. DecowskiMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAE. Oliver GarciaUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAT. GburekInstitute of Nuclear Physics PAN, Krakw, PolandN. GeorgeBrookhaven National Laboratory, Upton, NY 11973-5000, USAK. GulbrandsenMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAC. HalliwellUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAJ. HamblenEuropean Physical SocietyI. HarnarineUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAM. HauerBrookhaven National Laboratory, Upton, NY 11973-5000, USAC. HendersonMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USADave J. HofmanUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAR. S. HollisUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAR. HołyńskiInstitute of Nuclear Physics PAN, Kraków, PolandB. HolzmanBrookhaven National Laboratory, Upton, NY 11973-5000, USAA. IordanovaUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAE. JohnsonEuropean Physical SocietyJ. L. KaneMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAN. KhanEuropean Physical SocietyP. KulinichMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAChih‐Yu KuoNational Central University, Chung-Li, TaiwanW. LiMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAW.T. LinNational Central University, Chung-Li, TaiwanC. LoizidesMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAS. ManlyEuropean Physical SocietyA. C. MignereyUniversity of Maryland, College Park, MD 20742, USARachid NouicerBrookhaven National Laboratory, Upton, NY 11973-5000, USAAndrzej OlszewskiInstitute of Nuclear Physics PAN, Krakw, PolandR. PakBrookhaven National Laboratory, Upton, NY 11973-5000, USACatherine L. ReedMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAE. RichardsonUniversity of Maryland, College Park, MD 20742, USAC. RolandMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAG. RolandKrakow, PolandJ. SagererMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAH. SealsBrookhaven National Laboratory, Upton, NY 11973-5000, USAI. SedykhBrookhaven National Laboratory, Upton, NY 11973-5000, USAChristopher SmithUniversity of Illinois at Chicago, Chicago, IL 60607-7059, USAM. A. StankiewiczBrookhaven National Laboratory, Upton, NY 11973-5000, USAP. SteinbergBrookhaven National Laboratory, Upton, NY 11973-5000, USAG. S. F. StephansMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAA. SukhanovBrookhaven National Laboratory, Upton, NY 11973-5000, USAA. SzostakBrookhaven National Laboratory, Upton, NY 11973-5000, USAM. B. TonjesUniversity of Maryland, College Park, MD 20742, USAA. TrzupekInstitute of Nuclear Physics PAN, Krakw, PolandC. ValeMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAGerrit Jan van NieuwenhuizenMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAS. S VaurynovichMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAR. VerdierMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAG. I. VeresMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAPeter WaltersEuropean Physical SocietyE. A. WengerMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USAD. WillhelmUniversity of Maryland, College Park, MD 20742, USAF. L. H. WolfsEuropean Physical SocietyB. K. WosiekInstitute of Nuclear Physics PAN, Krakw, PolandS. WyngaardtBrookhaven National Laboratory, Upton, NY 11973-5000, USAB. WysłouchMassachusetts Institute of Technology, Cambridge, MA 02139-4307, USA
Proceedings of European Physical Society Europhysics Conference on High Energy Physics — PoS(EPS-HEP 2009)conference2010en
ABI
Abstract
In the collisions of ultrarelativistic heavy ions the energy of the nuclei is released in a small volume leading to the creation of a hot and dense nuclear matter. The study of the particles produced from it gives the information on the conditions in the early stage of the collision and the evolution of the system. The PHOBOS experiment provides unique data on the particle production in the almost full phase space and down to very small transverse momenta. This overview shortly presents the most important features of the nucleus-nucleus collisions observed by the PHOBOS experiment, but concentrates on the most recent studies. The extensive analyses of charged particles production are based on the multiplicity measurements in a very wide pseudorapidity range and reveal strong short and long range correlations. The correlations with a high p T trigger particle extends at least 4 units in pseudorapidity, while two-particle correlations suggest production of particles in large and wide clusters. © Copyright owned by the author(s) under the terms of the Creative Commons Attribution-NonCommercial-ShareAlike Licence.
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