Measurement of Identified π0 and Inclusive Photon Second-Harmonic Parameter v2 and Implications for Direct Photon Production in √sNN = 200GeV Au + Au
Physical Review Letters Volume 96 Issue 3
Page 032302-1-032302-6
published_at 2006-01-26
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| File | |
| Title ( eng ) |
Measurement of Identified π0 and Inclusive Photon Second-Harmonic Parameter v2 and Implications for Direct Photon Production in √sNN = 200GeV Au + Au
|
| Creator |
PHENIX Collaboration
Enokizono Akitomo
Hachiya Takashi
Kohama Takeshi
Nakamura Tomoaki
|
| Source Title |
Physical Review Letters
|
| Volume | 96 |
| Issue | 3 |
| Start Page | 032302-1 |
| End Page | 032302-6 |
| Abstract |
The azimuthal distribution of identified π0 and inclusive photons has been measured in √sNN = 200GeV Au + Au collisions with the PHENIX experiment at the Relativistic Heavy-Ion Collider (RHIC). The second-harmonic parameter (v2) was measured to describe the observed anisotropy of the azimuthal distribution. The measured inclusive photon v2 is consistent with the value expected for the photons from hadron decay and is also consistent with the lack of direct photon signal over the measured pT range 1-6 GeV/c. An attempt is made to extract v2 of direct photons.
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| Keywords |
heavy ion-nucleus reactions
nuclei with mass number 190 to 219
pion production
photon production
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| Language |
eng
|
| Resource Type | journal article |
| Publisher |
American Physical Society
|
| Date of Issued | 2006-01-26 |
| Rights |
Copyright (c) 2006 The American Physical Society.
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| Publish Type | Version of Record |
| Access Rights | open access |
| Source Identifier |
[ISSN] 0031-9007
[DOI] 10.1103/PhysRevLett.96.032302
[NCID] AA00773679
[DOI] http://dx.doi.org/10.1103/PhysRevLett.96.032302
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