Advanced

The "shoulder" and the "ridge" in PHENIX

McCumber, M.; Christiansen, Peter LU ; Gustafsson, Hans-Åke LU ; Haslum, Eva LU ; Oskarsson, Anders LU ; Rosendahl, Sarah LU and Stenlund, Evert LU (2008) In Journal of Physics G: Nuclear and Particle Physics 35.
Abstract
Comparison of two-particle correlations in heavy-ion collisions with measurements in proton collisions shows strong modification of the correlation shape and particle yields. Two new structures are created; both extended in Δη, one centered at Δ = 0 ('ridge') and the other occurring at Δ π ± 1.1 ('shoulder'). In these proceedings, we describe the measurements of these structures that show consistency with a scenario of parton–medium interaction and response. We discuss a new analysis with improved resolution in selections on the angle of trigger particles relative to the reaction plane. New measurements of the centrality and pT dependences of the structures raise the possibility that the same production mechanism may give rise to both... (More)
Comparison of two-particle correlations in heavy-ion collisions with measurements in proton collisions shows strong modification of the correlation shape and particle yields. Two new structures are created; both extended in Δη, one centered at Δ = 0 ('ridge') and the other occurring at Δ π ± 1.1 ('shoulder'). In these proceedings, we describe the measurements of these structures that show consistency with a scenario of parton–medium interaction and response. We discuss a new analysis with improved resolution in selections on the angle of trigger particles relative to the reaction plane. New measurements of the centrality and pT dependences of the structures raise the possibility that the same production mechanism may give rise to both phenomena. (Less)
Please use this url to cite or link to this publication:
author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Journal of Physics G: Nuclear and Particle Physics
volume
35
publisher
IOP Publishing
external identifiers
  • scopus:54749128156
ISSN
0954-3899
DOI
10.1088/0954-3899/35/10/104081
language
English
LU publication?
yes
id
0f435fc7-3574-415e-80a4-cbc9d10f024c (old id 1430671)
date added to LUP
2009-08-05 09:31:40
date last changed
2017-01-01 05:30:01
@article{0f435fc7-3574-415e-80a4-cbc9d10f024c,
  abstract     = {Comparison of two-particle correlations in heavy-ion collisions with measurements in proton collisions shows strong modification of the correlation shape and particle yields. Two new structures are created; both extended in Δη, one centered at Δ = 0 ('ridge') and the other occurring at Δ π ± 1.1 ('shoulder'). In these proceedings, we describe the measurements of these structures that show consistency with a scenario of parton–medium interaction and response. We discuss a new analysis with improved resolution in selections on the angle of trigger particles relative to the reaction plane. New measurements of the centrality and pT dependences of the structures raise the possibility that the same production mechanism may give rise to both phenomena.},
  articleno    = {104081},
  author       = {McCumber, M. and Christiansen, Peter and Gustafsson, Hans-Åke and Haslum, Eva and Oskarsson, Anders and Rosendahl, Sarah and Stenlund, Evert},
  issn         = {0954-3899},
  language     = {eng},
  publisher    = {IOP Publishing},
  series       = {Journal of Physics G: Nuclear and Particle Physics},
  title        = {The "shoulder" and the "ridge" in PHENIX},
  url          = {http://dx.doi.org/10.1088/0954-3899/35/10/104081},
  volume       = {35},
  year         = {2008},
}