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Article
Azimuthal angle correlations for rapidity separated hadron pairs in d+Au collisions at root s(NN)=200 GeV
Physical Review D
Document Type
Article
Disciplines
Publication Version
Published Version
Publication Date
6-1-2006
DOI
10.1103/PhysRevLett.96.222301
Abstract
Deuteron-gold (d+Au) collisions at the Relativistic Heavy Ion Collider provide ideal platforms for testing QCD theories in dense nuclear matter at high energy. In particular, models suggesting strong saturation effects for partons carrying small nucleon momentum fraction (x) predict modifications to jet production at forward rapidity (deuteron-going direction) in d+Au collisions. We report on two-particle azimuthal angle correlations between charged hadrons at forward/backward (deuteron/gold going direction) rapidity and charged hadrons at midrapidity in d+Au and p+p collisions at root s(NN)=200 GeV. Jet structures observed in the correlations are quantified in terms of the conditional yield and angular width of away-side partners. The kinematic region studied here samples partons in the gold nucleus with x similar to 0.1 to similar to 0.01. Within this range, we find no x dependence of the jet structure in d+Au collisions.
Copyright Owner
American Physical Society
Copyright Date
2006
Language
en
File Format
application/pdf
Citation Information
S. S. Adler, Sergey Belikov, Paul Constantin, Nathan C. Grau, et al.. "Azimuthal angle correlations for rapidity separated hadron pairs in d+Au collisions at root s(NN)=200 GeV" Physical Review D Vol. 96 Iss. 22 (2006) p. 222301 Available at: http://works.bepress.com/craig-ogilvie/224/
This article is published as Adler, S. S., S. Afanasiev, C. Aidala, N. N. Ajitanand, Y. Akiba, A. Al-Jamel, J. Alexander et al. "Azimuthal Angle Correlations for Rapidity Separated Hadron Pairs in d+ Au Collisions at s N N= 200 GeV." Physical review letters 96, no. 22 (2006): 222301. DOI:10.1103/PhysRevLett.96.222301. Posted with permission.