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Observation of X bJ(1P,2P) decays to light hadrons

Abstract:
Analyzing Y(nS) decays acquired with the CLEO detector operating at the CESR e+e- collider, we measure for the first time the product branching fractions B[Y(nS)→YX bJ((n-1)P)]B[X bJ(n-1)P)→Xi] for n=2 and 3, where Xi denotes, for each i, one of the 14 exclusive light-hadron final states for which we observe significant signals in both X bJ(1P) and X bJ(2P) decays. We also determine upper limits for the electric dipole (E1) transitions Y(3S)→YX bJ(1P). © 2008 The American Physical Society.

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Publisher copy:
10.1103/PhysRevD.78.091103

Authors


Edwards, KW More by this author
Briere, RA More by this author
Tatishvili, G More by this author
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Journal:
Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume:
78
Issue:
9
Publication date:
2008-11-13
DOI:
EISSN:
1550-2368
ISSN:
1550-7998
URN:
uuid:e2357f10-3c22-4d56-973d-e40e6a613120
Source identifiers:
161033
Local pid:
pubs:161033
Language:
English

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