Title:
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Gravitinos from gravitational collapse
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Author:
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Massó i Soler, Eduard, 1954-; Toldrà Sabaté, Ramon
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Other authors:
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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. |
Subject(s):
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-Partícules (Física nuclear) -Relativitat general (Física) -Estels -Supersimetria -Col·lapse gravitacional -Particles (Nuclear physics) -General relativity (Physics) -Stars -Supersymmetry -Gravitational collapse |
Rights:
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(c) The American Physical Society, 1998
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Document type:
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Article Article - Published version |
Published by:
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The American Physical Society
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