Proton-Neutron Mass Difference in a Unified Theory of Weak and Electromagnetic Interactions

1973 ◽  
Vol 8 (4) ◽  
pp. 1179-1185 ◽  
Author(s):  
Fayyazuddin ◽  
Riazuddin
Keyword(s):  
Mass Difference ◽  
Unified Theory ◽  
Electromagnetic Interactions

Mass Differences in a Unified Theory of Weak and Electromagnetic Interactions

1973 ◽  
Vol 7 (2) ◽  
pp. 525-531 ◽  
Author(s):  
Duane A. Dicus ◽  
Vishnu S. Mathur
Keyword(s):  
Unified Theory ◽  
Electromagnetic Interactions

scholarly journals Spontaneous symmetry breaking in gauge theories

2015 ◽  
Vol 373 (2032) ◽  
pp. 20140033 ◽  
Author(s):  
T. W. B. Kibble
Keyword(s):  
World War I ◽  
Symmetry Breaking ◽  
Spontaneous Symmetry Breaking ◽  
Particle Physics ◽  
Gauge Theories ◽  
Second World War ◽  
Unified Theory ◽  
World War ◽  
Electromagnetic Interactions ◽  
Second World

The aim of this historical article is to describe the development of the idea of spontaneous symmetry breaking in gauge theories as seen from my perspective as a member of Abdus Salam's group at Imperial College London, UK. Beginning with an account of particle physics in the years after the Second World War, I describe early attempts at constructing a unified theory of weak and electromagnetic interactions, the obstacles encountered and how they were eventually overcome with the mass-generating mechanism incorporating the idea of spontaneous symmetry breaking, one of whose features is the now-famous Higgs boson.

scholarly journals Unified theory of weak and electromagnetic interactions without Higgs phenomena

1974 ◽  
Author(s):  
N. G. Deshpande ◽  
D. A. Dicus ◽  
J. P. Hsu ◽  
E. C.G. Sudarshan
Keyword(s):  
Unified Theory ◽  
Electromagnetic Interactions

General structure of democratic mass matrix of lepton sector in E6 model

2018 ◽  
Vol 96 (7) ◽  
pp. 834-836
Author(s):  
A.K. Çiftçi ◽  
R. Çiftçi
Keyword(s):  
Mass Matrix ◽  
General Structure ◽  
Mass Difference ◽  
Theory Model ◽  
Unified Theory ◽  
Grand Unified Theory ◽  
Matrix Elements ◽  
Lepton Sector ◽  
Natural Approach ◽  
The Standard Model

An extension of the Standard Model (SM) fermion sector, which is inspired by the E6 grand unified theory model, may be a good candidate to explain a number of unanswered questions in SM. Existence of the E6 leptons may explain great mass difference of charged and neutral leptons. Also, democracy on mass matrix elements is a natural approach in SM. In this study, we have given general structure of democratic mass matrix of lepton sector in E6 model.

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