Angular distribution and helicity dependence in B r arrow K sup (*) l+ l minus
Journal Article
·
· Physical Review, D (Particles Fields); (United States)
- Department of Physics and Astronomy, Rutgers University, Piscataway, New Jersey 08854 (United States)
We calculate the decay rates for {ital B}{r arrow}{ital Kl}{sup +}{ital l{minus}} and {ital B}{r arrow}{ital K}{sup *}{ital l+}{ital l{minus}} as functions of the invariant mass of the {ital l}{sup +}{ital l{minus}} pair and the center-of-mass angle in the {ital l}{sup +}{ital l{minus}} center-of-mass frame. We obtain the helicity dependence of {ital B}{r arrow}{ital K}{sup *}{ital l+}{ital l{minus}} and calculate the contributions from the {ital CP}-odd and {ital CP}-even channels. In the calculations we use the heavy-quark and factorization approximations.
- OSTI ID:
- 7012432
- Journal Information:
- Physical Review, D (Particles Fields); (United States), Journal Name: Physical Review, D (Particles Fields); (United States) Vol. 46:7; ISSN PRVDA; ISSN 0556-2821
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
662120* -- General Theory of Particles & Fields-- Symmetry
Conservation Laws
Currents & Their Properties-- (1992-)
662350 -- Decays of Mesons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
B MESONS
BEAUTY PARTICLES
BOSONS
CENTER-OF-MASS SYSTEM
CP INVARIANCE
DECAY
DISTRIBUTION
ELEMENTARY PARTICLES
FACTORIZATION
FERMIONS
HADRONS
HELICITY
INVARIANCE PRINCIPLES
KAONS
MANY-BODY PROBLEM
MATHEMATICAL MODELS
MATRIX ELEMENTS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PARTICLE PROPERTIES
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUARKS
STANDARD MODEL
STRANGE MESONS
STRANGE PARTICLES
TESTING
THREE-BODY PROBLEM
UNIFIED GAUGE MODELS
Conservation Laws
Currents & Their Properties-- (1992-)
662350 -- Decays of Mesons-- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ANGULAR DISTRIBUTION
B MESONS
BEAUTY PARTICLES
BOSONS
CENTER-OF-MASS SYSTEM
CP INVARIANCE
DECAY
DISTRIBUTION
ELEMENTARY PARTICLES
FACTORIZATION
FERMIONS
HADRONS
HELICITY
INVARIANCE PRINCIPLES
KAONS
MANY-BODY PROBLEM
MATHEMATICAL MODELS
MATRIX ELEMENTS
MESONS
PARTICLE DECAY
PARTICLE MODELS
PARTICLE PROPERTIES
POSTULATED PARTICLES
PSEUDOSCALAR MESONS
QUARKS
STANDARD MODEL
STRANGE MESONS
STRANGE PARTICLES
TESTING
THREE-BODY PROBLEM
UNIFIED GAUGE MODELS