Δ(1232) Axial Charge and Form Factors from Lattice QCD
Name
Alexandrou-2011-Letters-Axial Charge and Form Factors.pdf
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Author(s)
Alexandrou, Constantia
Gregory, Eric B.
Korzec, Tomasz
Koutsou, Giannis
Sato, Toru
Tsapalis, Antonios
Negele, John W.
Date Issued
September 2011
Journal
Physical Review Letters
Publisher
American Physical Society (APS)
Citation
Alexandrou, Constantia et al. “Δ(1232) Axial Charge and Form Factors from Lattice QCD.” Physical Review Letters 107.14 (2011): n. pag. Web. 8 Feb. 2012. © 2011 American Physical Society
Version
Final published version
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.
MIT Department
Massachusetts Institute of Technology. Center for Theoretical Physics
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
https://doi.org/10.1103/PhysRevLett.107.141601
