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Observation of the Radiative Decay {ital D}{sup *+}{r_arrow}{ital D}{sup +}{gamma}

Journal Article · · Physical Review Letters
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  1. Vanderbilt University, Nashville, Tennessee 37235 (United States)
  2. Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061 (United States)
  3. Wayne State University, Detroit, Michigan 48202 (United States)
  4. California Institute of Technology, Pasadena, California 91125 (United States)
  5. University of California, San Diego, La Jolla, California 92093 (United States)
  6. University of California, Santa Barbara, California 93106 (United States)
  7. University of Colorado, Boulder, Colorado 80309-0390 (United States)
  8. Cornell University, Ithaca, New York 14853 (United States)
  9. University of Florida, Gainesville, Florida 32611 (United States)
+ Show Author Affiliations
We have observed a signal for the decay D{sup *+}{r_arrow}D{sup +}{gamma} at a significance of 4standard deviations. From the measured branching ratio B(D{sup *+}{r_arrow}D{sup +}{gamma}) /B(D{sup *+}{r_arrow}D{sup +}{pi}{sup 0})=0.055{plus_minus}0.014{plus_minus}0.010 we find B(D{sup *+}{r_arrow}D{sup +}{gamma}) =0.017{plus_minus}0.004{plus_minus}0.003, where the first uncertainty is statistical and the second is systematic. We also report the highest precision determination of the remaining D{sup *+} branching fractions. {copyright} {ital 1998} {ital The American Physical Society}
OSTI ID:
627921
Journal Information:
Physical Review Letters, Journal Name: Physical Review Letters Journal Issue: 18 Vol. 80; ISSN 0031-9007; ISSN PRLTAO
Country of Publication:
United States
Language:
English

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Related Subjects

66 PHYSICS
BRANCHING RATIO
D PLUS MESONS
D*-2010 MESONS
RADIATIVE DECAY
WEAK HADRONIC DECAY