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Di-hadron correlations with identified leading hadrons in 200 GeV Au+Au and d+Au collisions at STAR

Adamczyk, L.
•
Adkins, J. K.
•
Agakishiev, G.
altro
Zoulkarneeva, Y.
2015
  • journal article

Periodico
PHYSICS LETTERS. SECTION B
Abstract
The STAR Collaboration presents for the first time two-dimensional di-hadron correlations with identified leading hadrons in 200 GeV central Au + Au and minimum-bias d + Au collisions to explore hadronization mechanisms in the quark gluon plasma. The enhancement of the jet-like yield for leading pions in Au + Au data with respect to the d + Au reference and the absence of such an enhancement for leading non-pions (protons and kaons) are discussed within the context of a quark recombination scenario. The correlated yield at large angles, specifically in the ridge region , is found to be significantly higher for leading non-pions than pions. The consistencies of the constituent quark scaling, azimuthal harmonic model and a mini-jet modification model description of the data are tested, providing further constraints on hadronization.
DOI
10.1016/j.physletb.2015.10.037
WOS
WOS:000365384600037
Archivio
http://hdl.handle.net/11368/2942060
info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-84945326598
http://www.sciencedirect.com/science/journal/03702693
Diritti
open access
license:creative commons
license uri:http://creativecommons.org/licenses/by-nc-nd/4.0/
FVG url
https://arts.units.it/bitstream/11368/2942060/1/1-s2.0-S0370269315007947-main_dihadron_correlation.pdf
Soggetti
  • Nuclear and High Ener...

  • heavy ion

  • quark gluon plasma

  • RHIC

  • STAR

Web of Science© citazioni
8
Data di acquisizione
Mar 27, 2024
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