Neutral-current ratios in three-triplet and three-quartet gauge theories of the weak and electromagnetic interactions
Journal Article
·
· Lett. Nuovo Cim., v. 9, no. 5, pp. 173-178
The predictions of the ratios R = sigma ( nu + N yields nu + X)/ sigma ( nu + N yields mu /sup -/ + X) and R = sigma ( nu + N yields nu + X)/ sigma ( nu + N yields mu /sup +/ + X) in the Archiman model and the Beg- Zee model are examined and are compared with experimental results. In the Archiman model, Han-Nambu quarks are assigned to two left-handed doublets, five left-handed singlets, and nine right-handed singlets under the gauge group SU(2) x U(1). In the Beg and Zee model, quarks are assigned symmetrically to two left- handed and two right-handed doublets. It is concluded that if the Gargamelle events (Phys. Lett., 46B; 138 (1973)) are in fact neutral current proeesses, the models of Archiman and Beg and Zee are not consistent with the observed hadronic neutral current ratios. (LBS)
- Research Organization:
- Laboratoire de Physique Theorique et Hautes Energies, Orsay, France
- Sponsoring Organization:
- USDOE
- NSA Number:
- NSA-29-022553
- OSTI ID:
- 4340341
- Journal Information:
- Lett. Nuovo Cim., v. 9, no. 5, pp. 173-178, Journal Name: Lett. Nuovo Cim., v. 9, no. 5, pp. 173-178; ISSN NCLTA
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
*NEUTRAL CURRENTS-- NEUTRINO-NUCLEON INTERACTIONS
CROSS SECTIONS
ELECTROMAGNETIC INTERACTIONS
GAUGE INVARIANCE
N64220 --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Electromagnetic
N64230* --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Weak
QUARK MODEL
WEAK INTERACTIONS
CROSS SECTIONS
ELECTROMAGNETIC INTERACTIONS
GAUGE INVARIANCE
N64220 --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Electromagnetic
N64230* --Physics (High Energy)--Particle Interactions & Properties (Theoretical)--Weak
QUARK MODEL
WEAK INTERACTIONS