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Science Forum Index » Physics - Research Forum » Gauge coupling and String Landscape?
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| Benjamin |
 Posted: Mon Jan 29, 2007 10:44 am |
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Guest
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Hi group,
There's this paper here, which tries to reproduce the precision
prediction of the weinberg angle and the gauge coupling in the
Supersymmetric standard Model
Quote: http://arxiv.org/abs/hep-ph/0102306
Journal-ref: Nucl.Phys. B606 (2001) 101
The authors claim that a heterotic string model would require extra
dimensions of a maximum radius with 10^(-14)fm-
Is this not a very strong constraint on the string theory landscape and
possible vacua?
That is, could this not be used to make some predictions from string
theory (at least if LHC finds the MSSM?)
Thanks,
Benjamin |
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