Properties of matter at forward rapidities at RHIC

D Röhrich ,C Chasman,Z Majka,B Neumann,J Cibor,Z Yin,R Lystad,P Staszel,H Bøggild,F Jundt,B Budick,A Makeev,F Videbæk,R Płaneta,M Mikelsen,R Karabowicz,D Ouerdane,D Sandberg,M Germinario,K Hagel,O Ristea ,R A Sheetz ,J H Lee ,I C Arsene ,Trine Spedstad Tveter ,C Ristea ,D Beavis ,E Enger ,S Lindal ,Ryoichi Wada ,C E Jørgensen ,I G Bearden ,B.s Nielsen ,J B Natowitz ,T Kozik ,S Sanders ,H Ito ,M Murray ,J J Gaardhøje ,H Yang ,P Christiansen ,R Debbe ,G Lövhöiden ,Al Jipa ,T M Larsen ,F Rami ,C H Christensen ,E J Kim ,Y K Lee ,J I Jørdre ,B H Samset ,C Beşliu ,I S Zgura

doi:10.1016/j.nuclphysa.2004.12.055

Properties of matter at forward rapidities at RHIC

D Röhrich , C Chasman + Show 51 more

https://doi.org/10.1016/j.nuclphysa.2004.12.055

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Journal: Nuclear physics. A

Publication Date: Feb 7, 2005

Affiliation: Jagiellonian University, University of Kansas, University of Bergen, University of Copenhagen, Texas A&M University, Brookhaven National Laboratory, University of Oslo, University of Bucharest, Johns Hopkins University

#Forward Rapidities #Wide Range Of Rapidity + Show 8 more

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Abstract

The BRAHMS experiment at RHIC has measured pions, kaons and protons and their antiparticles over a wide range of rapidity and transverse momenta. Au+Au collisions, d+Au and p+p interactions have been studied. From the net-proton rapidity distribution a stopping power of 73% can be deduced for central Au+Au collisions. The rapidity distributions of produced particles exhibit Gaussian shapes. At midrapidity the nuclear modification factor for central Au+Au collisions shows a strong pion suppression at intermediate transverse momenta; a suppression which is even stronger at forward rapidities. The nuclear modification factor for d+Au changes from a Cronin-like enhancement of charged hadrons at midrapidity to a suppression at forward rapidities.

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