Cosmological Constraints on the Scale of Supersymmetry Breaking

Weinberg, Steven

doi:10.1103/PhysRevLett.48.1303

Cosmological Constraints on the Scale of Supersymmetry Breaking

Steven Weinberg
(
- Texas U.
)

Apr, 1982

11 pages

Published in:

Phys.Rev.Lett. 48 (1982) 1303

DOI:

10.1103/PhysRevLett.48.1303

Report number:

Print-82-0306 (TEXAS)

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Abstract: (APS)

The gravitino must be either light enough so that ambient gravitinos would not produce too large a cosmic deceleration, or heavy enough so that almost all gravitinos would have decayed before the time of helium synthesis. The second alternative is shown to allow supersymmetry-breaking scales above a model-dependent lower bound of 1011 to 1016 GeV.

SUPERGRAVITY
SUPERSYMMETRY: SPONTANEOUSLY BROKEN
POSTULATED PARTICLE: GRAVITINO
MASS: GRAVITINO
GRAVITINO: MASS
ASTROPHYSICS
DECAY: GRAVITINO
GRAVITINO: DECAY
INVARIANCE: R PARITY
R PARITY: INVARIANCE

References(20)

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