CaltechAUTHORS
  A Caltech Library Service

Recoil order chiral corrections to baryon octet axial vector currents and large Nc QCD

Zhu, Shi-Lin and Sacco, G. and Ramsey-Musolf, M. J. (2002) Recoil order chiral corrections to baryon octet axial vector currents and large Nc QCD. Physical Review D, 66 (3). Art. No. 034021. ISSN 2470-0010. https://resolver.caltech.edu/CaltechAUTHORS:ZHUprd02b

[img]
Preview
PDF - Published Version
See Usage Policy.

91Kb

Use this Persistent URL to link to this item: https://resolver.caltech.edu/CaltechAUTHORS:ZHUprd02b

Abstract

We compute the chiral corrections to octet baryon axial vector currents through O(p3) in heavy baryon chiral perturbation theory, including both octet and decuplet baryon intermediate states. We include the latter in a consistent way by using the small scale expansion. We find that, in contrast to the situation at O(p2), there exist no cancellations between octet and decuplet contributions at O(p3). Consequently, the O(p3) corrections spoil the expected scaling behavior of the chiral expansion. We discuss this result in terms of the 1/Nc expansion. We also consider the implications for the determination of the strange quark contribution to the nucleon spin from polarized deep inelastic scattering data.


Item Type:Article
Related URLs:
URLURL TypeDescription
https://doi.org/10.1103/PhysRevD.66.034021DOIUNSPECIFIED
ORCID:
AuthorORCID
Ramsey-Musolf, M. J.0000-0001-8110-2479
Additional Information:© 2002 The American Physical Society Received 22 January 2002; published 20 August 2002 This work was supported in part under U.S. Department of Energy contract No. DE-FGO2-00ER41146, the National Science Foundation under award PHY00-71856, and by the National Science Foundation Young Investigator program. We thank E. Jenkins, B. R. Holstein, and J. L. Goity for useful discussions.
Funders:
Funding AgencyGrant Number
Department of Energy (DOE)DE-FGO2-00ER41146
NSFPHY00-71856
Issue or Number:3
Record Number:CaltechAUTHORS:ZHUprd02b
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:ZHUprd02b
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:2818
Collection:CaltechAUTHORS
Deposited By: Archive Administrator
Deposited On:28 Apr 2006
Last Modified:02 Oct 2019 22:57

Repository Staff Only: item control page