Spin alignment of vector mesons in non-central A+Acollisions
Journal Article
·
· Physics Letters B
OSTI ID:878316
We discuss the consequence of global polarization of the produced quarks in non-central heavy-ion collisions on the spin alignment of vector mesons. We show that the alignment is quite different for different hadronization scenarios. These results can be tested directly by measuring the vector mesons' alignment through angular distributions of the decay products with respect to the reaction plane. Such angular distributions will give rise to azimuthal anisotropy v{sub 2} of the decay products in the collision frame. Constraints provided by the data on the azimuthal anisotropy of hadron spectra at RHIC points to a quark recombination scenario of hadronization.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director. Office of Science. Office of High Energy andNuclear Physics. Division of Nuclear Physics; National Natural ScienceFoundationof China 10175037 and 10440420018
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 878316
- Report Number(s):
- LBNL-56659; R&D Project: NTCOST; BnR: KB0301020; TRN: US0602316
- Journal Information:
- Physics Letters B, Vol. 629, Issue 1; Related Information: Journal Publication Date: 11/17/2005
- Country of Publication:
- United States
- Language:
- English
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