Please use this identifier to cite or link to this item:
Authors: Djukanovic, Dalibor
von Hippel, Georg
Koponen, Jonna
Meyer, Harvey B.
Ottnad, Konstantin
Schulz, Tobias
Wittig, Hartmut
Title: Isovector axial form factor of the nucleon from lattice QCD
Online publication date: 3-May-2023
Year of first publication: 2022
Language: english
Abstract: The isovector axial form factor of the nucleon plays a key role in interpreting data from long-baseline neutrino oscillation experiments. We perform a lattice-QCD based calculation of this form factor, introducing a new method to directly extract its z expansion from lattice correlators. Our final parametrization of the form factor, which extends up to spacelike virtualities of 0.7 GeV 2 with fully quantified uncertainties, agrees with previous lattice calculations but is significantly less steep than neutrino-deuterium scattering data suggests.
DDC: 530 Physik
530 Physics
Institution: Johannes Gutenberg-Universität Mainz
Department: FB 08 Physik, Mathematik u. Informatik
Helmholtz Institut Mainz
Place: Mainz
Version: Published version
Publication type: Zeitschriftenaufsatz
Document type specification: Scientific article
License: CC BY
Information on rights of use:
Journal: Physical review D
Pages or article number: 074503
Publisher: American Institute of Physics
Publisher place: Melville, NY
Issue date: 2022
ISSN: 2470-0029
Publisher DOI: 10.1103/physrevd.106.074503
Appears in collections:DFG-491381577-H

Files in This Item:
  File Description SizeFormat
isovector_axial_form_factor_o-20230307095302585.pdf894.16 kBAdobe PDFView/Open