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PHENIX study of dihadron correlations in Au plus Au collisions at root s(NN)=200 GeV: jet quenching and medium response

Journal Article · · Indian Journal of Physics
We provide a detailed survey study of dihadron azimuthal angle ({Delta}{phi}) correlations in a broad range of transverse momentum (0.4 < p{sub T} < 10 GeV/c) and centrality (0-92%) in Au+Au collisions at {radical}s{sub NN} = 200 GeV. The evolution of the jet shape and yield with p{sub T} seems to suggest two distinct components at the away-side pairs: a suppressed jet fragmentation component around {Delta}{phi} {approx} {pi}, and a medium-induced components around |{Delta}{phi}-{pi}| {approx} 1.1. The former dominates p{sub T} > 5 GeV/c and the later dominates at p{sub T} < 4 GeV/c.
Research Organization:
Brookhaven National Laboratory (BNL) Relativistic Heavy Ion Collider
Sponsoring Organization:
DOE - OFFICE OF SCIENCE
DOE Contract Number:
AC02-98CH10886
OSTI ID:
1025481
Report Number(s):
BNL--95377-2011-JA; KB0201021
Journal Information:
Indian Journal of Physics, Journal Name: Indian Journal of Physics Journal Issue: 1 Vol. 85; ISSN 0019-5480
Country of Publication:
United States
Language:
English

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