# Baryon number generation and mass relations in SO(10) unified models

## Abstract

Two topics are discussed in this thesis. The first is the calculation of cosmological baryon number generation in the early universe. These calculations are performed for a variety of SU(5) and SO(10) unified models. The effects of superheavy fermions and charge conjugation symmetry are discussed in the context of SO(10) models. The second section contains an analysis of natural fermion mass and mixing angle relations in a grand unified model based on SO(10). These relations are used to study neutrino masses and oscillations. Appreciable mixing is found only between ..mu.. and tau neutrinos. Spinor representations of the Lorentz group and of SO(10) are described in two appendices.

- Authors:

- Publication Date:

- Research Org.:
- California Inst. of Tech., Pasadena (USA)

- OSTI Identifier:
- 6114901

- Resource Type:
- Thesis/Dissertation

- Resource Relation:
- Other Information: Thesis (Ph. D.)

- Country of Publication:
- United States

- Language:
- English

- Subject:
- 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; 71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; BARYON NUMBER; UNIFIED GAUGE MODELS; COSMOLOGY; FERMIONS; MASS; LORENTZ GROUPS; NEUTRINOS; OSCILLATIONS; SO GROUPS; SPINORS; SU-5 GROUPS; SYMMETRY GROUPS; ELEMENTARY PARTICLES; LEPTONS; LIE GROUPS; MASSLESS PARTICLES; MATHEMATICAL MODELS; PARTICLE MODELS; POINCARE GROUPS; SU GROUPS; 645400* - High Energy Physics- Field Theory; 640100 - Astrophysics & Cosmology; 645200 - High Energy Physics- Particle Interactions & Properties-Theoretical

### Citation Formats

```
Harvey, J A.
```*Baryon number generation and mass relations in SO(10) unified models*. United States: N. p., 1981.
Web.

```
Harvey, J A.
```*Baryon number generation and mass relations in SO(10) unified models*. United States.

```
Harvey, J A. Thu .
"Baryon number generation and mass relations in SO(10) unified models". United States.
```

```
@article{osti_6114901,
```

title = {Baryon number generation and mass relations in SO(10) unified models},

author = {Harvey, J A},

abstractNote = {Two topics are discussed in this thesis. The first is the calculation of cosmological baryon number generation in the early universe. These calculations are performed for a variety of SU(5) and SO(10) unified models. The effects of superheavy fermions and charge conjugation symmetry are discussed in the context of SO(10) models. The second section contains an analysis of natural fermion mass and mixing angle relations in a grand unified model based on SO(10). These relations are used to study neutrino masses and oscillations. Appreciable mixing is found only between ..mu.. and tau neutrinos. Spinor representations of the Lorentz group and of SO(10) are described in two appendices.},

doi = {},

url = {https://www.osti.gov/biblio/6114901},
journal = {},

number = ,

volume = ,

place = {United States},

year = {1981},

month = {1}

}

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