ELEMENTARY PARTICLES AND SYMMETRY PRINCIPLES
Journal Article
·
· Revs. Modern Phys.
The mass levels of various elementary particles of nonzero rest mass and their decay modes are given. The particles were grouped into three main categories in order of increasing mass. The theoretical problems of the existence and behavior of the elementary particles are discussed. The connection between symmetry principles and constants of motion were studied. The symmetry principles that are expected to hold generally for the fundamental laws of nature and their associated redescriptions of dependent variables are given. The groups and representatives including concepts of transformation and invariance, the Lorentz group, decomposability of matrices to block-diagonal form and reducibility to semiblockdiagonal form, conditions for indecomposability, physical motivation, and the Lie Algebra of a continuous group are discussed. Invariance and its relation to the relativistic quantum theory, extensions of the Poincare group, other conservations and symmetries, and the recent history of the universal Fermi interaction are also discussed. (M.C.G.)
- Research Organization:
- Florida State Univ., Tallahassee
- NSA Number:
- NSA-14-026250
- OSTI ID:
- 4130074
- Journal Information:
- Revs. Modern Phys., Journal Name: Revs. Modern Phys. Vol. Vol: 32
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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