Two particle correlations: Saturation and issues with universality
Journal Article
·
· Nuclear Physics A
OSTI ID:1021410
We study the universality issue of the transverse momentum dependent parton distributions at small-x, by comparing the initial/final state interaction effects in di-jet correlation in pA collisions with those in deep inelastic lepton-nucleus scattering. We demonstrate the non-universality by performing an explicit calculation in a particular model where the multiple gauge boson exchange contributions are summed up to all orders. In addition, we generalize the model calculation to the CGC formalism, and find the non-universality for quark distributions in CGC.
- Research Organization:
- Brookhaven National Laboratory (BNL) Riken BNL Research Center
- Sponsoring Organization:
- DOE - OFFICE OF SCIENCE
- DOE Contract Number:
- AC02-98CH10886
- OSTI ID:
- 1021410
- Report Number(s):
- BNL--95261-2011-JA
- Journal Information:
- Nuclear Physics A, Journal Name: Nuclear Physics A Journal Issue: 1 Vol. 854
- Country of Publication:
- United States
- Language:
- English
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