DINUCLEON DECAY IN THE NUCLEUS: A QUARK MODEL ANALYSIS

Axelrod, Alan

doi:10.1103/PhysRevD.33.741

DINUCLEON DECAY IN THE NUCLEUS: A QUARK MODEL ANALYSIS

Alan Axelrod
(
- Florida State U.
)

Sep, 1985

57 pages

Published in:

Phys.Rev.D 33 (1986) 741

DOI:

10.1103/PhysRevD.33.741

Report number:

FSU-HEP-850922

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Abstract: (APS)

Baryon-number-violating decay of pairs of nucleons bound together in a nucleus is studied in the nonrelativistic quark model for a class of ordinary grand unified theories including minimal SU(5). Decay modes without mesons such as pp→pe+, and with pions such as pp→pe+π0, are considered. Both spectator and pole diagrams are included. The nonmesonic decay modes are negligible, but the effective p→e+π0 partial lifetime in oxygen (iron) is found to be ≊25% (50%) longer than the free partial lifetime. Another possible lifetime increase related to an explanation of the European Muon Collaboration effect is discussed.

GRAND UNIFIED THEORY: SU(5)
QUARK: NONRELATIVISTIC
BARYON NUMBER: VIOLATION
BOUND STATE: (2NUCLEON)
BOUND STATE: DECAY
DECAY: BOUND STATE
P: LIFETIME
N: LIFETIME
QUARK: MULTIQUARK
NUCLEUS: WIDTH

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