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Type: Journal article
Title: Masses and axial currents of the doubly charmed baryons
Author: Sun, Z.
Liu, Z.
Liu, X.
Zhu, S.
Citation: Physical Review D, 2015; 91(9):094030-1-094030-12
Publisher: American Physical Society
Issue Date: 2015
ISSN: 1550-7998
Statement of
Zhi-Feng Sun, Zhan-Wei Liu, Xiang Liu and Shi-Lin Zhu
Abstract: The chiral dynamics of the doubly heavy baryons is solely governed by the light quark. In this paper, we have derived the chiral corrections to the mass of the doubly heavy baryons up to N3LO. The mass splitting of Ξcc and Ωcc at the N2LO depends on one unknown low energy constant c7. By fitting the lattice masses of Ξccð3520Þ, we estimate the mass of Ωcc to be around 3.726 GeV. Moreover, we have also performed a systematical analysis of the chiral corrections to the axial currents and axial charges of the doubly heavy baryons. The chiral structure and analytical expressions will be very useful to the chiral extrapolations of the future lattice QCD simulations of the doubly heavy baryons.
Rights: © 2015 American Physical Society
RMID: 0030033384
DOI: 10.1103/PhysRevD.91.094030
Appears in Collections:Physics publications

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