Charmonium dissociation in matter: perspectives from CERN to Jlab
The J/Psi-meson dissociation in nuclear matter remains one of the most surprising problems in physics. In 2000 the NA50 Collaboration at CERN reported anomalous results on J/Psi absorption that was considered as evidence of Quark-Gluon Plasma formation. On the other hand, there may be other mechanisms which produce an increase in J/Psi absorption in a hot dense medium due to the modification of the charm mesons. Our detailed calculations were one of the first indications that the CERN data can indeed be well explained by a mechanism different from QGP formation. For further clarification we proposed to study the modification of charm in nuclei through antiproton annihilation, which is now part of the PANDA project at FAIR GSI. The experiment on charmonium dissociation in nuclei is under discussion at JLab as part of its 12 GeV upgrade.
- Research Organization:
- Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- DOE Contract Number:
- AC05-06OR23177
- OSTI ID:
- 984844
- Report Number(s):
- JLAB-THY-10-1174; DOE/OR/23177-1267; TRN: US1006051
- Journal Information:
- AIP Conference Proceedings: Achievements And New Directions In Subatomic Physics: Workshop In Honour Of Tony Thomas' 60th Birthday, Vol. 1261; Conference: Achievements And New Directions In Subatomic Physics: Workshop In Honour Of Tony Thomas' 60th Birthday, 15-19 Feb 2010, Adelaide, Australia
- Country of Publication:
- United States
- Language:
- English
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