dark matter and inflation in pev scale susy · 2018-03-05 · pev scale susy - j.d.wells (2005) !...
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Dark matter and Inflation in PeV scale SUSY
Subhendra Mohanty Physical Research Laboratory, India
Dark Sector of the Universe, 10-14 July, 2017, Daejeong, Korea
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Barbieri, Giudice, 1988
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There are ways to evade the LHC constraints
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1. PeV scale SUSY - J.D.Wells (2005) !2. PeV Neutrinos and a 3.5 keV X-Ray Line from a PeV Scale Supersymmetric Neutrino Sector - S. B. Roland, B. Shakya, J. D. Wells (2015)
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IceCube neutrino spectrum
Halzen, Nature Physics (2016)
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Inflation models compatible with CMB data
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Starobinsky model
Jordan frame
Einstein frame
M ' 10�5 , N = 55
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Plateau potential
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SUGRA Inflation
Kahler potential K(�i,�⇤i )
Superpotential W (�i)
Scalar potential
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SUGRA Model of Starobinsky potential
Ellis, Nanopoulos, Olive , PRL, 2013
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ArXiv: 1707.1947759
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D-flat directions
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� = 7.6⇥ 10�7
tan� = 1.8
)
As = 3.1⇥ 10�10
ns = 0.9664
r = 0.0033
Two parameter fit to inflation.
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SUSY breaking is by the Polonyi field
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Sparticle spectrum
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Gauge coupling unification from PeV particles
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5 PeV DM decay gives IceCube neutrino events
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Thank You