Determination of ψ(2S) Total Number by Inclusive Hadronic Decay

MO Xiao-Hu; ZHU Yong-Sheng; YUAN Chang-Zheng; FU Cheng-Dong; LI Gang

Chinese Physics C> 2004, Vol. 28> Issue(5) : 455-462

Determination of ψ(2S) Total Number by Inclusive Hadronic Decay

Institute of High Energy Physics,CAS,Beijing 100039,China2 China Center of Advanced Science and Technology,Beijing 100080,China

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Abstract：
On the basis of the study of inclusive hadronic events, two methods are adopted to determine the number of produced ψ(2S) events collected by BES in 2001—2002 run, which is 14.0×10⁶ with the uncertainty of 4%.

References

[1]

. BAI Jing-Zhi et al. Nucl. Instr. Meth. , 1999, A344: 319- 334; BAIJing-Zhi et al. Nucl. Instr. Meth. , 2001, A458: 627.. 6372. BAI Jing-Zhi et al. Phys. Lett. , 2002, B550: 24 - 323. MO Xiao-Hu. Study of Inclusive Hadronic Event , 2003, BES Memo4. BAI Jing-Zhi et al. Phys. Lett . , 1995, B355: 374 - 3805. Particle Dat a Group, Hagiwara K et al. Phys. Rev. , 2002, D66:010001.6. FU Cheng-Dong. Measurement of the Trigger Efficiency of ψ, 2003. BES Memo

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MO Xiao-Hu, ZHU Yong-Sheng, YUAN Chang-Zheng, FU Cheng-Dong and LI Gang. Determination of ψ(2S) Total Number by Inclusive Hadronic Decay[J]. Chinese Physics C, 2004, 28(5): 455-462.

MO Xiao-Hu, ZHU Yong-Sheng, YUAN Chang-Zheng, FU Cheng-Dong and LI Gang. Determination of ψ(2S) Total Number by Inclusive Hadronic Decay[J]. Chinese Physics C, 2004, 28(5): 455-462. shu

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Received: 2003-10-10
Revised: 1900-01-01

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