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The nucleon axial charge from lattice QCD with controlled errors

We report on our calculation of the nucleon axial charge gA in QCD with two flavours of dynamical quarks. A detailed investigation of systematic errors is performed, with a particular focus on contributions from excited states to three-point correlation functions. The use of summed operator insertio...

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Detalles Bibliográficos
Autores principales:	Capitani, S, Della Morte, M, von Hippel, G, Jäger, B, Jüttner, A, Knippschild, B, Meyer, H B, Wittig, H
Lenguaje:	eng
Publicado:	2012
Materias:	Particle Physics - Lattice
Acceso en línea:	https://dx.doi.org/10.1103/PhysRevD.86.074502 http://cds.cern.ch/record/1445477

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