Contribution of low-lying vector resonances to polarization observables in B{sub d}{sup 0}{yields}K{sup *0}e{sup +}e{sup -} decay

Journal Article · Sun Aug 01 04:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.82.034013· OSTI ID:21432853

Korchin, Alexander Yu; Kovalchuk, Vladimir A ^[1]

---

1. NSC Kharkov Institute of Physics and Technology, 61108 Kharkov (Ukraine)

The branching ratio and other observables for the rare flavor-changing neutral current decay B{sub d}{sup 0}{yields}K{sup *0}({yields}K{sup -}{pi}{sup +})e{sup +}e{sup -} are studied below the cc threshold. The total amplitude for this decay includes the term coming from the standard model effective Hamiltonian and the term generated by the processes B{sub d}{sup 0}{yields}K{sup *0}({yields}K{sup -}{pi}{sup +})V with intermediate low-lying vector resonances V={rho}(770), {omega}(782), {phi}(1020) decaying into the e{sup +}e{sup -} pair. The resonance contribution to the branching ratio, polarization fractions of the K{sup *} meson, and coefficients in the angular distribution is calculated. The influence of the resonances on the integrated observables in the region of electron-positron invariant mass up to 1 GeV is studied in view of the planned measurements of the photon polarization at the LHCb.

• OSTI ID: 21432853
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 3 Vol. 82; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
ALGEBRAIC CURRENTS
ANGULAR DISTRIBUTION
B MESONS
B NEUTRAL MESONS
BEAUTY MESONS
BEAUTY PARTICLES
BOSONS
BRANCHING RATIO
COMPOSITE MODELS
CURRENTS
DECAY
DIMENSIONLESS NUMBERS
DISTRIBUTION
ELECTRON-POSITRON INTERACTIONS
ELEMENTARY PARTICLES
ENERGY RANGE
FIELD THEORIES
FLAVOR MODEL
GRAND UNIFIED THEORY
HADRONS
HAMILTONIANS
INTERACTIONS
KAONS
KAONS MINUS
KAONS NEUTRAL
LEPTON-LEPTON INTERACTIONS
MASS
MASSLESS PARTICLES
MATHEMATICAL MODELS
MATHEMATICAL OPERATORS
MESONS
MEV RANGE
MEV RANGE 100-1000
NEUTRAL CURRENTS
OMEGA-782 MESONS
PARTICLE DECAY
PARTICLE INTERACTIONS
PARTICLE MODELS
PHI MESONS
PHI-1020 MESONS
PHOTONS
PIONS
PIONS PLUS
POLARIZATION
PSEUDOSCALAR MESONS
QUANTUM FIELD THEORY
QUANTUM OPERATORS
QUARK MODEL
RESONANCE
RHO-770 MESONS
STANDARD MODEL
STRANGE MESONS
STRANGE PARTICLES
UNIFIED GAUGE MODELS
VECTOR MESONS