Some topics on charmonium decays at BESⅢ experiment

CHEN Hai-Xuan

doi:10.1088/1674-1137/32/6/017

Chinese Physics C> 2008, Vol. 32> Issue(6) : 492-494 DOI: 10.1088/1674-1137/32/6/017

Some topics on charmonium decays at BESⅢ experiment

CHEN Hai-Xuan ^,

Institute of High Energy Physics, CAS, Beijing 100049, China

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Abstract：
The construction of BESⅢ detector has been finished and the data taking is under plan. Some physics topics on charmonium decays at BESⅢ experiment are discussed in this paper. The measurement of properties of η_c and η_c at BESⅢ is discussed and the expected precision of the measurement is estimated based on BOSS. Also the χ_cJ decay and the measurement of hyperon decay parameters are mentioned.

References

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. BES0 Design Report. Interior Document in Institute of High Energy Physics, 20042. Harris F A (BES Collab.). 2006, arXiv:physics/06060593. LI Wei-Dong, LIU Huai-Min et al. The Offline Software for the BES0 Experiment. Proceeding of CHEP06. Mumbai,India, 20064. DENT Zi-Yan et al. HEP NP, 2006, 30(5): 371-377 (in Chinese)5. Agostinelli S et al (Geant4 Collab.). Nucl. Instrum. Meth-ods A, 2003, 506: 2506. Buchmuller W, Tye S-H H. Phys. Rev. D, 1981, 24: 132-1567. Eichten E, Gottfried K, Kinoshita T et al. Phys. Rev. D,1980, 21: 203-2338. Choe S et al (QCD-TARO Collab.). 2003, arXiv:hep-lat/03070049. YAO W-M et al. Jounal of Physics G, 2006, 33: 110. BAI Jing-Zhi et al. Phys. Lett. B, 2003, 555: 174-18011. Huang H W, Chao K T. Phys. Rev. D, 1996, 54: 6850-685412. Shepherd M. Hadronic Physics at CLEO-c. Proceeding of HADRON07. Frascati, Italy, 200713. Lee T D, YANG C N. Phys. Rev., 1957, 108: 1645-164714. CHEN Hong, PING Rong-Gang. Phys. Rev. D, 2007, 76:036005

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CHEN Hai-Xuan. Some topics on charmonium decays at BESⅢ experiment[J]. Chinese Physics C, 2008, 32(6): 492-494. doi: 10.1088/1674-1137/32/6/017

CHEN Hai-Xuan. Some topics on charmonium decays at BESⅢ experiment[J]. Chinese Physics C, 2008, 32(6): 492-494. doi: 10.1088/1674-1137/32/6/017 shu

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Received: 2008-01-21
Revised: 2008-01-28

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沈阳化工大学材料科学与工程学院沈阳 110142

Some topics on charmonium decays at BESⅢ experiment

CHEN Hai-Xuan ^,

Corresponding author: CHEN Hai-Xuan,

Institute of High Energy Physics, CAS, Beijing 100049, China

Received Date: 2008-01-21
Accepted Date: 2008-01-28
Available Online: 2008-06-05

Abstract:

The construction of BESⅢ detector has been finished and the data taking is under plan. Some physics topics on charmonium decays at BESⅢ experiment are discussed in this paper. The measurement of properties of η_c and η_c at BESⅢ is discussed and the expected precision of the measurement is estimated based on BOSS. Also the χ_cJ decay and the measurement of hyperon decay parameters are mentioned.