A Study of the Upper Limit of vτ-Mass at BEPC
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Abstract
By using the new result of τ-mass from Beijing spectrometer and the data of τ→5πvτ from ARGUS, the upper limit of vτ-mass of 30 MeV is obtained at 95% confidence level. The upper limit of the vτ-mass could be largely reduced if a high resolution detector is used in the improved Beijing electron positron collider, which is under discussion.
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DU Dongsheng, GU Jianhui, HUANG Tao, JIN Shan, LI Jin, LIU Chun. A Study of the Upper Limit of vτ-Mass at BEPC[J]. Chin. Phys. Lett., 1993, 10(2): 83-85.
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DU Dongsheng, GU Jianhui, HUANG Tao, JIN Shan, LI Jin, LIU Chun. A Study of the Upper Limit of vτ-Mass at BEPC[J]. Chin. Phys. Lett., 1993, 10(2): 83-85.
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DU Dongsheng, GU Jianhui, HUANG Tao, JIN Shan, LI Jin, LIU Chun. A Study of the Upper Limit of vτ-Mass at BEPC[J]. Chin. Phys. Lett., 1993, 10(2): 83-85.
|
DU Dongsheng, GU Jianhui, HUANG Tao, JIN Shan, LI Jin, LIU Chun. A Study of the Upper Limit of vτ-Mass at BEPC[J]. Chin. Phys. Lett., 1993, 10(2): 83-85.
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