A per-cent-level determination of the nucleon axial coupling from quantum chromodynamics
Sign Up to like & getrecommendations! Published in 2018 at "Nature"
DOI: 10.1038/s41586-018-0161-8
Abstract: The axial coupling of the nucleon, gA, is the strength of its coupling to the weak axial current of the standard model of particle physics, in much the same way as the electric charge is… read more here.
Keywords: quantum; quantum chromodynamics; per cent; physics ... See more keywords
First measurement of the strange axial coupling constant using neutral-current quasielastic interactions of atmospheric neutrinos at KamLAND
Sign Up to like & getrecommendations! Published in 2022 at "Physical Review D"
DOI: 10.1103/physrevd.107.072006
Abstract: We report a measurement of the strange axial coupling constant $g_A^s$ using atmospheric neutrino data at KamLAND. This constant is a component of the axial form factor of the neutral-current quasielastic (NCQE) interaction. The value… read more here.
Keywords: coupling constant; axial coupling; neutral current; measurement strange ... See more keywords