Effective Field Theory Lagrangians for Baryons with Two and Three Heavy Quarks

Details Effective Field Theory Lagrangians for Baryons with Two and Three Heavy Quarks Effective Field Theory Lagrangians for Baryons with Two and Three Heavy Quarks

2005-06-07

arxiv.org/abs/hep-ph/0506065v2

Phys.Rev. D72 (2005) 034021

Physics

High Energy Physics

High Energy Physics - Phenomenology

37 pages, 4 figures, revtex4, feynmf.sty; typos corrected, reference added. Accepted for publication in Physical Review D

Scientific paper

10.1103/PhysRevD.72.034021

By analogy with pNRQCD, we construct Effective Field Theories suitable to
describe the heavy-quark sector of baryons made of two and three heavy quarks.
A long-standing discrepancy between the hyperfine splitting of doubly heavy
baryons obtained in the HQET and potential models is solved. The one-loop
matching of the 4-quark operators of dimension 6 is provided.

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