On Proton Decay
Open Access
- 1 August 1982
- journal article
- Published by Oxford University Press (OUP) in Progress of Theoretical Physics
- Vol. 68 (2) , 642-651
- https://doi.org/10.1143/PTP.68.642
Abstract
The lifetime and branching ratios of the proton (and neutron) in the standard SU(5) grand unified theory are calculated by making use of a simple SU(6) symmetric quark model for nucleon structure and Kane and Karl's three kinetic models for final mesons. The form-factor effects due to the finite sizes of the initial nucleon and final mesons are included. Though the form-factor effects reduce the pionic decay rates by about 50%, pionic decay modes (e+ π0 +Keywords
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