2012/12/31 by A. N. Ivanov, Mario Pitschmann, M. Pitschmann +1 · 3 citations
Mathematics · Physics and Astronomy · #Atomic and Subatomic Physics Research #Coupling (piping) #Coupling constant #Electron #Geometry #Lepton #Mathematics #Meson #Neutrino Physics Research #Neutron #Nuclear physics #Nuclear physics research studies #Nucleon #Particle physics #Physics #Pseudovector #Scalar (mathematics) #hep-ex #hep-ph #nucl-ex
paper · pdf · doi:10.1103/physrevd.88.073002
published as Phys.Rev. D88, 073002 (2013) · 59 pages, 3 figures and 1 Table. Appendix H is updated
openalex publication_date 2013/10/10 · openalex created_date 2016/06/24 · arxiv created 2018/11/05 · arxiv updated 2018/11/06 · openalex updated_date 2026/08/05
We analyze the sensitivity of all experimentally observable asymmetries and energy distributions for the neutron \ensuremathβ^\ensuremath- decay with a polarized neutron and an unpolarized decay proton and electron, and the lifetime of the neutron to contributions of order 10^\ensuremath-4 of interactions beyond the standard model (SM). We analyze the contributions of interactions beyond the SM in the linear approximation with respect to the Herczeg phenomenological coupling constants, introduced at the hadronic level. Such an approximation is good enough for the analysis of contributions of order 10^\ensuremath-4 of interactions beyond the SM. We show that in such an approximation the correlation coefficients depend only on the axial coupling constant, which absorbs the contributions of the Herczeg left-left and left-right lepton-nucleon current-current interactions (vector and axial-vector interactions beyond the SM), and the Herczeg scalar and tensor coupling constants. In the lifetime of the neutron, in addition to the axial coupling constant, the contributions of the Herczeg left-left and left-right lepton-nucleon current-current interactions (vector and axial-vector interactions beyond the SM) are absorbed by the Cabibbo--Kobayashi--Maskawa matrix element.