Published May 10, 1993
| Version v1
Journal article
The baryon Isgur-Wise function in the large-Nc limit
Creators
- 1. Department of Physics, Univ. of California, San Diego, La Jolla, CA (United States)
- 2. California Inst. of Tech., Pasadena, CA (United States)
Description
In the large-Nc limit, the Λb and Λc can be treated as bound states of chiral solitons and mesons containing a heavy quark. We show that the soliton and heavy meson are bound in an attractive harmonic oscillator potential. The Isgur-Wise function for Λb→Λce- anti νe decay is computed in the large-Nc limit. Corrections to the form factor which depend on mN/mQ can be summed exactly (mN and mQ are the nucleon and heavy quark masses). We find that this symmetry breaking correction at zero recoil is only 1%. (orig.)
Additional details
Publishing Information
- Journal Title
- Nuclear Physics. B
- Journal Volume
- 396
- Journal Issue
- 1
- Journal Page Range
- p. 38-52.
- ISSN
- 0550-3213
- CODEN
- NUPBBO
INIS
- Country of Publication
- Netherlands
- Country of Input or Organization
- Netherlands
- INIS RN
- 24073347
- Subject category
- S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
- Descriptors DEI
- ASYMPTOTIC SOLUTIONS; BOUND STATE; CENTRAL POTENTIAL; CHARGED-CURRENT INTERACTIONS; CHIRAL SYMMETRY; CHIRALITY; COLOR MODEL; CORRECTIONS; EIGENSTATES; EIGENVALUES; FLAVOR MODEL; FORM FACTORS; FUNCTIONS; GOLDSTONE BOSONS; GROUND STATES; HAMILTONIANS; HARMONIC OSCILLATOR MODELS; J-J COUPLING; LAMBDA B NEUTRAL BARYONS; MATRIX ELEMENTS; PARTICLE STRUCTURE; SCHROEDINGER EQUATION; SEMILEPTONIC DECAY; SOLITONS; SU-2 GROUPS; SYMMETRY BREAKING; WEAK CHARGED CURRENTS
- Descriptors DEC
- ALGEBRAIC CURRENTS; BARYONS; BEAUTY BARYONS; BEAUTY PARTICLES; BOSONS; CHARGED CURRENTS; COMPOSITE MODELS; COUPLING; CURRENTS; DECAY; DIFFERENTIAL EQUATIONS; ELEMENTARY PARTICLES; ENERGY LEVELS; EQUATIONS; FERMIONS; HADRONS; INTERACTIONS; INTERMEDIATE COUPLING; LIE GROUPS; MATHEMATICAL MODELS; MATHEMATICAL OPERATORS; PARTIAL DIFFERENTIAL EQUATIONS; PARTICLE DECAY; PARTICLE INTERACTIONS; PARTICLE MODELS; PARTICLE PROPERTIES; POSTULATED PARTICLES; POTENTIALS; QUANTUM OPERATORS; QUARK MODEL; QUASI PARTICLES; SU GROUPS; SYMMETRY; SYMMETRY GROUPS; WAVE EQUATIONS; WEAK PARTICLE DECAY