S U ( 3 ) vector currents in baryon chiral perturbation theory combined with the 1 / N c expansion

Fernando, I. P.; Goity, J. L.

doi:10.1103/PhysRevD.101.054026

Title: $S U (3)$ vector currents in baryon chiral perturbation theory combined with the $1 / N_{c}$ expansion

Journal Article · Tue Mar 17 00:00:00 EDT 2020 · Physical Review. D.

DOI:https://doi.org/10.1103/PhysRevD.101.054026· OSTI ID:1605462

; Goity, J. L.

Baryon chiral perturbation theory (BChPT) combined with the $1 / N_{c}$ expansion is applied to the $S U (3)$ vector currents. In terms of the $ξ$ power counting linking the low-energy and $1 / N_{c}$ expansions according to $O (ξ) = O (p) = O (1 / N_{c})$ , the study is carried out to next-to-next-to-leading order, and it includes $S U (3)$ breaking corrections to the $| Δ S | = 1$ vector charges, charge radii, and magnetic moments and radii. The results are obtained for generic $N_{c}$ , allowing for investigating the various scalings in $N_{c}$ .

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Research Organization:: Thomas Jefferson National Accelerator Facility (TJNAF), Newport News, VA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Nuclear Physics (NP); National Science Foundation (NSF)

Grant/Contract Number:: AC05-06OR23177; PHY-1307413; PHY-1613951; PHY-1913562

OSTI ID:: 1605462

Alternate ID(s):: OSTI ID: 1605545

Report Number(s):: JLAB-THY-19-3088; arXiv:1911.00987; DOE/OR/23177-4802; PRVDAQ; 054026

Journal Information:: Physical Review. D., Journal Name: Physical Review. D. Vol. 101 Journal Issue: 5; ISSN 2470-0010

Publisher:: American Physical Society (APS)Copyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 4 works

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Title: S U ( 3 ) vector currents in baryon chiral perturbation theory combined with the 1 / N c expansion

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Title: $S U (3)$ vector currents in baryon chiral perturbation theory combined with the $1 / N_{c}$ expansion