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The grand unified axion not observable?
It is a characteristic of grand unified theories with an axion of the type suggested by Dine, Fischler and Srednicki (1981) that they predict a very small neutron electric dipole moment because the QCD theta vacuum parameter is suppressed. The minimal SU(5) axion model of Wise, Georgi and Glashow (1...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
1981
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1016/0370-2693(81)90540-2 http://cds.cern.ch/record/134426 |
| _version_ | 1780879770661158912 |
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| author | Ellis, Jonathan Richard Gaillard, Mary Katherin Nanopoulos, Dimitri V Rudaz, S |
| author_facet | Ellis, Jonathan Richard Gaillard, Mary Katherin Nanopoulos, Dimitri V Rudaz, S |
| author_sort | Ellis, Jonathan Richard |
| collection | CERN |
| description | It is a characteristic of grand unified theories with an axion of the type suggested by Dine, Fischler and Srednicki (1981) that they predict a very small neutron electric dipole moment because the QCD theta vacuum parameter is suppressed. The minimal SU(5) axion model of Wise, Georgi and Glashow (1981) yields a cosmological baryon-to-proton ratio in the same order as that in the minimal SU(5) model with one 5 of Higgs, which is much smaller than required by astrophysics. More complicated grand unified axion models can avoid this problem. (24 refs). |
| id | cern-134426 |
| institution | Organización Europea para la Investigación Nuclear |
| language | eng |
| publishDate | 1981 |
| record_format | invenio |
| spelling | cern-1344262019-09-30T06:29:59Zdoi:10.1016/0370-2693(81)90540-2http://cds.cern.ch/record/134426engEllis, Jonathan RichardGaillard, Mary KatherinNanopoulos, Dimitri VRudaz, SThe grand unified axion not observable?General Theoretical PhysicsIt is a characteristic of grand unified theories with an axion of the type suggested by Dine, Fischler and Srednicki (1981) that they predict a very small neutron electric dipole moment because the QCD theta vacuum parameter is suppressed. The minimal SU(5) axion model of Wise, Georgi and Glashow (1981) yields a cosmological baryon-to-proton ratio in the same order as that in the minimal SU(5) model with one 5 of Higgs, which is much smaller than required by astrophysics. More complicated grand unified axion models can avoid this problem. (24 refs).CERN-TH-3121LAPP-TH-42oai:cds.cern.ch:1344261981-07-10 |
| spellingShingle | General Theoretical Physics Ellis, Jonathan Richard Gaillard, Mary Katherin Nanopoulos, Dimitri V Rudaz, S The grand unified axion not observable? |
| title | The grand unified axion not observable? |
| title_full | The grand unified axion not observable? |
| title_fullStr | The grand unified axion not observable? |
| title_full_unstemmed | The grand unified axion not observable? |
| title_short | The grand unified axion not observable? |
| title_sort | grand unified axion not observable? |
| topic | General Theoretical Physics |
| url | https://dx.doi.org/10.1016/0370-2693(81)90540-2 http://cds.cern.ch/record/134426 |
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