Triply heavy baryons and heavy quark spin symmetry
JM Flynn, E Hernandez, J Nieves - Physical Review D—Particles, Fields …, 2012 - APS
JM Flynn, E Hernandez, J Nieves
Physical Review D—Particles, Fields, Gravitation, and Cosmology, 2012•APSWe study the semileptonic b→ c decays of the lowest-lying triply heavy baryons made from b
and c quarks in the limit mb, mc≫ Λ QCD and close to the zero-recoil point. The separate
heavy-quark<? format?> spin symmetries strongly constrain the matrix elements, leading to
single form factors for ccb→ ccc, bbc→ ccb, and bbb→ bbc baryon decays. We also study
the effects on these systems of using a Y-shaped confinement potential, as suggested by
lattice QCD results for the interaction between three static quarks.
and c quarks in the limit mb, mc≫ Λ QCD and close to the zero-recoil point. The separate
heavy-quark<? format?> spin symmetries strongly constrain the matrix elements, leading to
single form factors for ccb→ ccc, bbc→ ccb, and bbb→ bbc baryon decays. We also study
the effects on these systems of using a Y-shaped confinement potential, as suggested by
lattice QCD results for the interaction between three static quarks.
We study the semileptonic decays of the lowest-lying triply heavy baryons made from and quarks in the limit , and close to the zero-recoil point. The separate heavy-quark <?format ?>spin symmetries strongly constrain the matrix elements, leading to single form factors for , , and baryon decays. We also study the effects on these systems of using a -shaped confinement potential, as suggested by lattice QCD results for the interaction between three static quarks.
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