Back-to-back correlations of di-hadrons in dAu collisions at RHIC

We perform a theoretical analysis of the azimuthal angular correlation of two-hadron productions in the forward dAu collisions at RHIC in the saturation formalism, and obtain a very good agreement with the experimental data. It is demonstrated that the suppression and broadening of the away side pea...

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Bibliographic Details
Published in:Physics letters. B 2012-10, Vol.716 (3-5), p.430-434
Main Authors: Stasto, Anna, Xiao, Bo-Wen, Yuan, Feng
Format: Article
Language:English
Subjects:
72
Angular correlation
Collisions
Correlation
Dynamic tests
Dynamics
Elementary particles
Exact sciences and technology
Formalism
Nuclear physics
Physics
riken bnl research center
Saturation
The physics of elementary particles and fields
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Summary:We perform a theoretical analysis of the azimuthal angular correlation of two-hadron productions in the forward dAu collisions at RHIC in the saturation formalism, and obtain a very good agreement with the experimental data. It is demonstrated that the suppression and broadening of the away side peak provide a unique signal for the onset of the saturation mechanism at small-x in a large nucleus. We emphasize that future experiments of di-hadron correlations in pA collisions at both RHIC and LHC, and in eA collisions at the planned electron–ion collider, shall provide us with a thorough study and understanding of the strong interaction dynamics in the saturation regime.
ISSN:0370-2693
1873-2445
DOI:10.1016/j.physletb.2012.08.044