Journal Article

PreJuSER-54807

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png The nucleon axial-vector coupling beyond one loop

Bernard, V. ; Meissner, U. G.FZJ*

2006
North-Holland Publ. Amsterdam

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Please use a persistent id in citations: http://hdl.handle.net/2128/10579  doi:10.1016/j.physletb.2006.06.018

Abstract: We analyze the nucleon axial-vector coupling to two loops in chiral perturbation theory. We show that chiral extrapolations based on this representation require lattice data with pion masses below 300 MeV. (c) 2006 Elsevier B.V. All rights reserved.

Keyword(s): gauge field theory: SU(2) ; lattice field theory ; effective Lagrangian ; renormalization ; nucleon: coupling constant ; coupling constant: axial-vector ; coupling constant: mass dependence ; pi: mass ; numerical calculations

Note: Record converted from VDB: 12.11.2012

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Contributing Institute(s):

1. Institut 3 (Theoretische Kernphysik) (IKP-TH)
2. Jülich-Aachen Research Alliance - Simulation Sciences (JARA-SIM)

Research Program(s):

1. Physik der Hadronen und Kerne (P53)

Appears in the scientific report 2006

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