ON THE UNIVERSAL FERMI INTERACTION
Journal Article
·
· Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B
The parity-non-conserving. V-A form of Fermi interaction is derived from a principle of invariance under a continuous group of transformations, in analogy wlth the ordinary gauge-invariance derivation of the minimal electromagnetic interaction of charged particles. This assumption is a stronger restriction on the form of Fermi interactions than that invoked by Sudarshan and Marshak, Gell-Mann and Feynman, and Sakural, and leads to additional predictions that are subject to experimental check. If these transformations were symmetry transformations of the entire Lagrangian, then the BETA - and mu -decay coupling constants would be precisely equal. The implications of extending this Fermi gauge invariance to a group depending on space-time functions is discussed. The possibility that Fermi interactions involving change of strangeness are unallowed is considered, and the results of assuming a universal Yukawa V-A parity-non-conserving interaction are tabulated. Such a Yukawa interaction, involving one new coupling constant, leads to reasonable K-meson and hyperon decay rates and allows pi -meson decay into mu + nu without any appreciable decay into e + nu . (auth)
- Research Organization:
- Univ. of California, Berkeley
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-12-017908
- OSTI ID:
- 4301919
- Journal Information:
- Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B, Journal Name: Nuovo Cimento (Italy) Divided into Nuovo Cimento A and Nuovo Cimento B Vol. Vol: (10) 9; ISSN NUCIA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
BETA DECAY-- CONFIGURATION-- COUPLING-- DECAY-- DIFFERENTIAL EQUATIONS-- ELECTRONS-- FIELD THEORY-- GROUP THEORY-- HYPERONS-- INTERACTIONS-- INVARIANCE PRINCIPLE-- KAONS-- LAGRANGIAN-- MUONS-- NEUTRINOS-- PARTICLE MODELS-- PIONS-- QUANTUM MECHANICS-- RESONANCE-- STRANGENESS-- SYMMETRY
CHARGED PARTICLES-- ELECTROMAGNETIC FIELDS-- FIELD THEORY-- GAUGE INVARIANCE-- GROUP THEORY-- INTERACTIONS-- INVARIANCE PRINCIPLE
FERMIONS-- FIELD THEORY-- GROUP THEORY-- INTERACTIONS-- INVARIANCE PRINCIPLE-- MEASURED VALUES-- PARITY-- PARITY VIOLATION-- VECTORS
PHYSICS
CHARGED PARTICLES-- ELECTROMAGNETIC FIELDS-- FIELD THEORY-- GAUGE INVARIANCE-- GROUP THEORY-- INTERACTIONS-- INVARIANCE PRINCIPLE
FERMIONS-- FIELD THEORY-- GROUP THEORY-- INTERACTIONS-- INVARIANCE PRINCIPLE-- MEASURED VALUES-- PARITY-- PARITY VIOLATION-- VECTORS
PHYSICS