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Radiative decays of PSI(3684). [Branching fraction, upper limits] [electronic resource].

Published:
Berkeley, Calif. : University of California, Berkeley, 1976.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description:
Pages: 103 : digital, PDF file
Additional Creators:
University of California, Berkeley and United States. Department of Energy. Office of Scientific and Technical Information
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Summary:
Results of studies of radiative decays of psi(3684) are presented. The data for this work were obtained with the Magnetic Detector at the electron-positron storage ring SPEAR. These results indicate the existence of three states chi, with masses 3415, 3500, and 3550 MeV, produced in radiative decays of psi'. There is evidence for a fourth state with mass either 3340 or 3455 MeV. From study of the psi(3684) inclusive photon spectrum, the branching fraction for psi(3684) ..-->.. ..gamma.. chi(3415) was determined to be 7.5 +- 2.6%. Branching fraction upper limits of 1 to 4% at the 90% confidence level were obtained for monochromatic photon production above 250 MeV by psi or psi'.
Report Numbers:
E 1.99:lbl-5518
lbl-5518
Subject(s):
Other Subject(s):
Note:
Published through SciTech Connect.
09/01/1976.
"lbl-5518"
Whitaker, J.S.
Funding Information:
W-7405-ENG-48
View MARC record | catkey: 14716343