Globally Polarized Quark-gluon Plasma in Non-central A+ACollisions
Journal Article
·
· Physical Review Letters
OSTI ID:862008
Produced partons have large local relative orbital angular momentum along the direction opposite to the reaction plane in the early stage of non-central heavy-ion collisions. Parton scattering is shown to polarize quarks along the same direction due to spin-orbital coupling.Such global quark polarization will lead to many observable consequences,such as left-right asymmetry of hadron spectra, global transverse polarization of thermal photons, dileptons and hadrons. Hadrons from the decay of polarized resonances will have azimuthal asymmetry similar to the elliptic flow. Global hyperon polarization is predicted with indifferent hadronization scenarios and can be easily tested.
- Research Organization:
- Lawrence Berkeley National Lab. (LBNL), Berkeley, CA (United States)
- Sponsoring Organization:
- USDOE Director. Office of Science. Office of NuclearPhysics; National Science Foundation of China 10175037 and10440420018
- DOE Contract Number:
- DE-AC02-05CH11231
- OSTI ID:
- 862008
- Report Number(s):
- LBNL-56383; arXiv:nucl-th/0410079; PRLTAO; R&D Project: NTCOST; BnR: KB0301020; TRN: US0600104
- Journal Information:
- Physical Review Letters, Vol. 94, Issue 2005; Related Information: Journal Publication Date: 2005; ISSN 0031-9007
- Country of Publication:
- United States
- Language:
- English
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