| Autor: |
David B. Reiss, Jeffrey A. Harvey, Edward W. Kolb, Stephen Wolfram |
| Rok vydání: |
1981 |
| Předmět: |
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| Zdroj: |
Nuclear Physics B. 177:456-460 |
| ISSN: |
0550-3213 |
| DOI: |
10.1016/0550-3213(81)90180-2 |
| Popis: |
The masses and lifetimes of very heavy weakly interacting fermions which appear in many grand unified gauge models are constrained by the requirement that their decays in the hot big bang early universe should not generate excessive entropy which would dilute n B / n γ below its observed value. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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