τ-Charm Factory Physics and Restriction to the Accelerator and Detector Design

YUAN Chang-Zheng; ZHANG Bing-Yun; QIN Qing

Chinese Physics C> 2002, Vol. 26> Issue(12) : 1201-1208

τ-Charm Factory Physics and Restriction to the Accelerator and Detector Design

Institute of High Energy Physics, CAS, Beijing 100039, China

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Abstract：
It is of great interest to build a high luminosity accelerator in τ-charm energy region. The physics interest in this energy region is briefly reviewed. Events rate and events number at different energy in one year's data taking are estimated under typical luminosity of 10³³cm^－2s^－1. It is pointed out that the luminosity of a newly designed accelerator should be optimized between ψ″and ψ(4160), the peak luminosity should be determined by the events rate which the trigger system, detector electronics and data acquisition system could handle.

References

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. Proc.of tau-Charm Factory Workshop.Stanford,CA ,May23—27,1989,SLAC-Report 3432. CLEO-c Collaboration.CLEO-c and CESR-c:A New Frontier of Weak and Strong Interactions.2001,CLNS 011742 3. ZHANG Chuang.BEPCⅡOverview.talkgivenon BES Ⅲ workshop,Oct.13—15,2001,Beijing 4. ZHAN G C ,TANG J Y .Proceedings of the Workshop on BEPC Luminosity Upgrades,IHEP 01,December1991;FANG S X .The BEPCU pgrade.Third Workshop on the Tau Charm Factory ,Marbella,Spain,June1993 ,edittedby J.Kirkby and R .Kirkby 5. Ruiz Femenia P ,Pich A .Phys.Rev.,2001,D64:0530016. Particle Data Group.Eur.Phys.J.,2000,C15 7. MO Xiao-Hu.Ph.D thesis,Institute of High Energy Physics,Chinese Academy of Sciences,2001(in Chinese)(莫晓虎.博士论文,ψ′共振参数测量,中国科学院高能物理研究所,2001) 8. Kolanoski H .Two-Photon Physicsat e+e–Storage Rings.Springer Verlag,19849. BAI J Z et al.Phys.Lett.,1995,B355:37410. Baltrusaitis R M et al.Phys.Rev.Lett.,1986,56:2140;Adler J et al.Phys.Rev.Lett.,1988,60:89;Appendix A of [2]11. BAI J Z et al.Phys.Rev.,1995,D52:3781;Adler J et al.Phys.Rev.Lett.,1989,63:121112. Koepke L ,Wermes N .Phys.Rep.,1989,174:67

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YUAN Chang-Zheng, ZHANG Bing-Yun and QIN Qing. τ-Charm Factory Physics and Restriction to the Accelerator and Detector Design[J]. Chinese Physics C, 2002, 26(12): 1201-1208.

YUAN Chang-Zheng, ZHANG Bing-Yun and QIN Qing. τ-Charm Factory Physics and Restriction to the Accelerator and Detector Design[J]. Chinese Physics C, 2002, 26(12): 1201-1208. shu

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Received: 2002-02-27
Revised: 1900-01-01

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沈阳化工大学材料科学与工程学院沈阳 110142

τ-Charm Factory Physics and Restriction to the Accelerator and Detector Design

Corresponding author: YUAN Chang-Zheng,

Institute of High Energy Physics, CAS, Beijing 100039, China

Received Date: 2002-02-27
Accepted Date: 1900-01-01
Available Online: 2002-12-05

Abstract: It is of great interest to build a high luminosity accelerator in τ-charm energy region. The physics interest in this energy region is briefly reviewed. Events rate and events number at different energy in one year's data taking are estimated under typical luminosity of 10³³cm^－2s^－1. It is pointed out that the luminosity of a newly designed accelerator should be optimized between ψ″and ψ(4160), the peak luminosity should be determined by the events rate which the trigger system, detector electronics and data acquisition system could handle.