Δ(1232) Axial Charge and Form Factors from Lattice QCD

Δ(1232) Axial Charge and Form Factors from Lattice QCD

Author: Alexandrou, Constantia; Gregory, Eric; Korzec, Tomasz; Koutsou, Giannis; Negele, John; Sato, Toru; Tsapalis, Antonios

Citable URI: http://hdl.handle.net/1721.1/69053

Department: Massachusetts Institute of Technology. Dept. of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science; Massachusetts Institute of Technology. Center for Theoretical Physics

Publisher: American Physical Society (APS)

Date Issued: 2011-09

Abstract:

We present the first calculation on the Δ axial vector and pseudoscalar form factors using lattice QCD. Two Goldberger-Treiman relations are derived and examined. A combined chiral fit is performed to the nucleon axial charge, N to Δ axial transition coupling constant and Δ axial charge.

URI: http://hdl.handle.net/1721.1/69053

ISSN: 0031-9007
1079-7114

Version: Final published version

Terms of Use: Article is made available in accordance with the publisher's policy and may be subject to US copyright law. Please refer to the publisher's site for terms of use.

Published As: http://dx.doi.org/10.1103/PhysRevLett.107.141601

Journal: Physical Review Letters

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