Charm meson resonances and D{yields}V semileptonic form factors

Journal Article · Mon Aug 01 04:00:00 EDT 2005 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PhysRevD.72.034029· OSTI ID:20711237

Fajfer, Svjetlana ^[1]; Kamenik, Jernej ^[2]

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1. Physik Department, Technische Universitaet Muenchen, D-85748 Garching (Germany)
2. J. Stefan Institute, Jamova 39, P.O. Box 3000, 1001 Ljubljana (Slovenia)

Using limits of large energy effective theory and heavy quark effective theory, we propose a simple parametrization of the heavy to light H{yields}V semileptonic form factors. Then we reconsider D{yields}Vl{nu}{sub l} decays within a model which combines heavy meson and chiral symmetry. In our Lagrangians we include contributions coming from excited charm meson states, some of them recently observed. Within this framework we determine all parameters describing the shapes of the form factors and calculate branching ratios and helicity ratios for all D{yields}Vl{nu}{sub l} decays.

• OSTI ID: 20711237
• Journal Information: Physical Review. D, Particles Fields, Journal Name: Physical Review. D, Particles Fields Journal Issue: 3 Vol. 72; ISSN PRVDAQ; ISSN 0556-2821
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
B QUARKS
BRANCHING RATIO
C QUARKS
CHIRAL SYMMETRY
D MESONS
FORM FACTORS
HELICITY
LAGRANGIAN FIELD THEORY
LAGRANGIAN FUNCTION
NEUTRINOS
RESONANCE PARTICLES
SEMILEPTONIC DECAY
VECTOR MESONS