Measurement of the B{sup 0}{yields}D*{sup -}D{sub s}*{sup +} and D{sub s}{sup +}{yields}{phi}{pi}{sup +} branching fractions
Journal Article
·
· Physical Review. D, Particles Fields
- Laboratoire de Physique des Particules, F-74941 Annecy-le-Vieux (France)
- IFAE, Universitat Autonoma de Barcelona, E-08193 Bellaterra, Barcelona (Spain)
- Universita di Bari, Dipartimento di Fisica and INFN, I-70126 Bari (Italy)
- Institute of High Energy Physics, Beijing 100039 (China)
- University of Bergen, Inst. of Physics, N-5007 Bergen (Norway); and others
We present measurements of the branching fractions B(B{sup 0}{yields}D*{sup -}D{sub s}*{sup +}) and B(D{sub s}{sup +}{yields}{phi}{pi}{sup +}), based on 123x10{sup 6} {upsilon}(4S){yields}BB decays collected by the BABAR detector at the PEP-II asymmetric-energy e{sup +}e{sup -} B factory. A partial reconstruction technique is used to measure B(B{sup 0}{yields}D*{sup -}D{sub s}*{sup +}) and the decay chain is fully reconstructed to measure the branching fraction product B(B{sup 0}{yields}D*{sup -}D{sub s}*{sup +})xB(D{sub s}{sup +}{yields}{phi}{pi}{sup +}). Comparing these two measurements provides a model-independent determination of the D{sub s}{sup +}{yields}{phi}{pi}{sup +} branching fraction. We obtain B(B{sup 0}{yields}D*{sup -}D{sub s}*{sup +})=(1.88{+-}0.09{+-}0.17)% and B(D{sub s}{sup +}{yields}{phi}{pi}{sup +})=(4.81{+-}0.52{+-}0.38)%, where the first uncertainties are statistical and the second systematic.
- OSTI ID:
- 20709339
- Journal Information:
- Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 9 Vol. 71; ISSN PRVDAQ; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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