Chin. Phys. Lett.  1993, Vol. 10 Issue (6): 325-328    DOI:
Original Articles |
Initial-State Radiation in Inclusive Photon Spectroscopy from Electron-Positron Annihilation
GU Yifan
Institute of High Energy Physics, Academia Sinica, Beijing 100039
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GU Yifan 1993 Chin. Phys. Lett. 10 325-328
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Abstract We demonstrate that the effect of the initial-state radiation can be observed in the inclusive photon spectrum from electron-positron annihilation by careful analysis of the data collected in a detector optimized for high resolution measurement of photons. We present the first example of a photon line from radiative corrections of the J/ψ, resonance at total center-of-mass energy far above its mass. We also discuss potential applications of such effect in future electron-positron experiments.
Keywords: 13.65.+i      13.90.+i     
Published: 01 June 1993
PACS:  13.65.+i  
  13.90.+i (Other topics in specific reactions and phenomenology of elementary particles)  
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https://cpl.iphy.ac.cn/       OR      https://cpl.iphy.ac.cn/Y1993/V10/I6/0325
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