Effective field theory Lagrangians for baryons with two and three heavy quarks

Nora Brambilla; Antonio Vairo; Thomas Rösch

doi:10.1103/PhysRevD.72.034021

Effective field theory Lagrangians for baryons with two and three heavy quarks

Nora Brambilla, Antonio Vairo, Thomas Rösch

Publikation: Beitrag in Fachzeitschrift › Artikel › Begutachtung

136 Zitate (Scopus)

Abstract

By analogy with potential nonrelativistic QCD, 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 heavy-quark effective theory and potential models is solved. The one-loop matching of the 4-quark operators of dimension 6 is provided.

Originalsprache	Englisch
Aufsatznummer	034021
Seiten (von - bis)	1-17
Seitenumfang	17
Fachzeitschrift	Physical Review D - Particles, Fields, Gravitation and Cosmology
Jahrgang	72
Ausgabenummer	3
DOIs	https://doi.org/10.1103/PhysRevD.72.034021
Publikationsstatus	Veröffentlicht - 1 Aug. 2005
Extern publiziert	Ja

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Effective field theory Lagrangians for baryons with two and three heavy quarks

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