TY  - EJOUR
AU  - Can, K. U.
AU  - Horsley, R.
AU  - Nakamura, Y.
AU  - Rakow, P. E. L.
AU  - Schierholz, G.
AU  - Stüben, H.
AU  - Young, R. D.
AU  - Zanotti, J. M.
TI  - The parity-odd structure function of nucleon from the Compton amplitude
IS  - DESY-24-013
M1  - PUBDB-2024-00326
M1  - DESY-24-013
M1  - arXiv:2402.00255
M1  - ADP-24-02/T1241
M1  - LTH 1363
PY  - 2024
N1  - 9 pages, 3 figures. Contribution to the 40th International Symposium on Lattice Field Theory (Lattice 2023) July 31st - August 4th, 2023, Fermi National Accelerator Laboratory, Batavia IL, USA
AB  - The dominant contribution to the theoretical uncertainty in the extracted weak parameters of the Standard Model comes from the hadronic uncertainties in the electroweak boxes, i.e. γ−W<sup>±</sup>/Z exchange diagrams. A dispersive analysis relates the box diagrams to the parity-odd structure function, F<sub>3</sub>, for which the experimental data either do not exist or belong to a separate isospin channel. Therefore a first-principles calculation of F<sub>3</sub> is highly desirable. In this contribution, we report on the QCDSF/UKQCD Collaboration's progress in calculating the moments of the F<sub>3</sub><sup>γZ</sup> structure function from the forward Compton amplitude at the SU(3) symmetric point.
KW  - nucleon, structure function (INSPIRE)
KW  - dispersion (INSPIRE)
KW  - SU(3) (INSPIRE)
KW  - electroweak interaction (INSPIRE)
KW  - isospin (INSPIRE)
LB  - PUB:(DE-HGF)25
DO  - DOI:10.3204/PUBDB-2024-00326
UR  - https://bib-pubdb1.desy.de/record/601633
ER  -