Journal
PHYSICS LETTERS B
Volume 784, Issue -, Pages 301-306Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.physletb.2018.08.011
Keywords
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Funding
- NSFC [11575070]
- U.S. Department of Energy, Office of Science, Office of Nuclear Physics [DE-AC02-05CH11231, DE-SC-0002145]
- National Science Center, Poland [2015/17/B/ST2/01838]
- Agence Nationale de la Recherche [ANR-16-CE31-0019]
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Dihadron angular correlations in forward pAcollisions have been considered as one of the most sensitive observables to the gluon saturation effects. In general, both parton shower effects and saturation effects are responsible for the back-to-back dihadron angular de-correlations. With the recent progress in the saturation formalism, we can incorporate the parton shower effect by adding the corresponding Sudakov factor in the saturation framework. In this paper, we carry out the first detailed numerical study in this regard, and find a very good agreement with previous RHIC ppand dAudata. This study can help us to establish a baseline in ppcollisions which contains little saturation effects, and further make predictions for dihadron angular correlations in pAucollisions, which will allow to search for the signal of parton saturation. (C) 2018 The Authors. Published by Elsevier B.V.
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