Isospin mass splittings of hadrons with heavy quarks

Journal Article · Tue Jan 01 00:00:00 EST 1985 · Phys. Rev. D; (United States)

DOI:https://doi.org/10.1103/PhysRevD.31.204· OSTI ID:6161516

Chan, L

Following the previous proposal that isospin mass splittings of hadrons can be extracted in a model-independent way by the quark-mass interpolation scheme, we derived a compact expression for the mass splittings of baryons and mesons. We have shown that the mass splitting approaches the asymptotic limit within 0.3 MeV for a quark mass greater than 5 GeV. Therefore we can predict the isospin mass splittings of hadrons containing any unknown heavy quarks. In particular M/sup asterisk+/(ut-bar )-M/sup asterisk0/(dt-bar ) roughly-equalM/sup +/(ut-bar ) = -3.7 MeV.

• Research Organization: Department of Physics and Astronomy, Louisiana State University, Baton Rouge, Louisiana 70803
• OSTI ID: 6161516
• Journal Information: Phys. Rev. D; (United States), Vol. 31:1
• Country of Publication: United States
• Language: English

Related Subjects

72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
HADRONS
ISOSPIN
MASS
QUARKS
EIGENSTATES
FLAVOR MODEL
QUANTUM CHROMODYNAMICS
S WAVES
SPIN
SU-3 GROUPS
SYMMETRY BREAKING
ANGULAR MOMENTUM
COMPOSITE MODELS
ELEMENTARY PARTICLES
FIELD THEORIES
LIE GROUPS
MATHEMATICAL MODELS
PARTIAL WAVES
PARTICLE MODELS
PARTICLE PROPERTIES
POSTULATED PARTICLES
QUANTUM FIELD THEORY
QUARK MODEL
SU GROUPS
SYMMETRY GROUPS
645204* - High Energy Physics- Particle Interactions & Properties-Theoretical- Strong Interactions & Properties