Published May 1980 | Version v1
Journal article Metadata-only

Proton lifetime and branching ratios in SU(5)

Creators

  • 1. Massachusetts Inst. of Tech., Cambridge (USA). Dept. of Physics
  • 2. Massachusetts Inst. of Tech., Cambridge (USA). Lab. for Nuclear Science
  • 3. Massachusetts Inst. of Tech., Cambridge (USA). Center for Theoretical Physics

Description

The decay rate of the proton into two-body channels is calculated in the SU(5) grand unified theory using the hadronic wavefunctions of the bag model. Summing only the two-body modes leads to a lifetime of tausub(p) = 8 x 1030 yr, for a heavy boson mass of 3.8 x 1014 GeV. (orig.)

Additional details

Publishing Information

Journal Title
Phys. Lett., B
Journal Volume
92
Journal Issue
1/2
Series
Phys. Lett., B.
Journal Page Range
99-102
ISSN
0370-2693

INIS

Country of Publication
Netherlands
Country of Input or Organization
Netherlands
INIS RN
11550829
Subject category
S72: PHYSICS OF ELEMENTARY PARTICLES AND FIELDS;
Descriptors DEI
BAG MODEL; BRANCHING RATIO; LIFETIME; PARTICLE DECAY; PROTONS; SU-5 GROUPS; UNIFIED GAUGE MODELS; WAVE FUNCTIONS
Descriptors DEC
BARYONS; CATIONS; CHARGED PARTICLES; DECAY; ELEMENTARY PARTICLES; EXTENDED PARTICLE MODEL; FERMIONS; FIELD THEORIES; FUNCTIONS; HADRONS; HYDROGEN IONS; HYDROGEN IONS 1 PLUS; IONS; LIE GROUPS; MATHEMATICAL MODELS; NUCLEONS; PARTICLE MODELS; QUANTUM FIELD THEORY; SU GROUPS; SYMMETRY GROUPS