Rachid Nouicer (for the PHOBOS Collaboration) 2007 J. Phys. G: Nucl. Part. Phys. 34 S887 doi:10.1088/0954-3899/34/8/S119
Elliptic flow and initial eccentricity in Cu+Cu and Au+Au collisions at RHIC
Rachid Nouicer (for the PHOBOS Collaboration)
Show affiliationsWe present a systematic study of elliptic flow as a function of centrality, pseudorapidity, transverse momentum and energy for Cu+Cu and Au+Au collisions from the PHOBOS experiment. New data on elliptic flow in Cu+Cu collisions at 
are shown. Elliptic flow scaled by participant eccentricity is found to be similar for both systems when collisions with the same number of participants or the same average area density are compared. This similarity is observed over a wide range in pseudorapidity and transverse momentum, indicating that participant eccentricity is the relevant quantity for generating the azimuthal asymmetry leading to the observed elliptic flow.
- PACS
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25.75.-q Relativistic heavy-ion collisions
27.80.+w 190(less-than-or-equal-to)A(less-than-or-equal-to)219
27.50.+e 59(less-than-or-equal-to)A(less-than-or-equal-to)89
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- Dates
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Issue 8 (August 2007)
Received 24 January 2007
Published 16 July 2007
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Elliptic flow and initial eccentricity in Cu+Cu and Au+Au collisions at RHIC
Rachid Nouicer (for the PHOBOS Collaboration) 2007 J. Phys. G: Nucl. Part. Phys. 34 S887
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