Azimuthal Angle Correlations for Rapidity Separated Hadron Pairs in d+Au Collisions at sNN=200GeV

S. S. Adler et al. (PHENIX Collaboration)
Phys. Rev. Lett. 96, 222301 – Published 8 June 2006

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 sNN=200GeV. 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 x0.1 to 0.01. Within this range, we find no x dependence of the jet structure in d+Au collisions.

  • Figure
  • Figure
  • Figure
  • Figure
  • Received 17 March 2006

DOI:https://doi.org/10.1103/PhysRevLett.96.222301

©2006 American Physical Society

Authors & Affiliations

Click to Expand

Article Text (Subscription Required)

Click to Expand

References (Subscription Required)

Click to Expand
Issue

Vol. 96, Iss. 22 — 9 June 2006

Reuse & Permissions
Access Options

Authorization Required


×
×

Images

×

Sign up to receive regular email alerts from Physical Review Letters

Log In

Cancel
×

Search


Article Lookup

Paste a citation or DOI

Enter a citation
×