Título:
|
Gravitinos from gravitational collapse
|
Autor/a:
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Massó i Soler, Eduard, 1954-; Toldrà Sabaté, Ramon
|
Otros autores:
|
Universitat de Barcelona |
Abstract:
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We reanalyze the limits on the gravitino mass
m
3
/
2
in superlight gravitino scenarios derived from arguments on energy loss during gravitational collapse. We conclude that the mass range
10
−
6
eV
<~
m
3
/
2
<~
2.3
×
10
−
5
eV is excluded by SN 1987A data. In terms of the scale of supersymmetry breaking
Λ
, the range 70 GeV
<~
Λ
<~
300
GeV is not allowed. |
Materia(s):
|
-Partícules (Física nuclear) -Relativitat general (Física) -Estels -Supersimetria -Col·lapse gravitacional -Particles (Nuclear physics) -General relativity (Physics) -Stars -Supersymmetry -Gravitational collapse |
Derechos:
|
(c) The American Physical Society, 1998
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Tipo de documento:
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Artículo Artículo - Versión publicada |
Editor:
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The American Physical Society
|
Compartir:
|
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