Asymmetric dark matter and the Sun

Mads Toudal Frandsen, Subir Sarkar

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

Resumé

Cold dark matter particles with an intrinsic matter-antimatter asymmetry do not annihilate after gravitational capture by the Sun and can affect its interior structure. The rate of capture is exponentially enhanced when such particles have self-interactions of the right order to explain structure formation on galactic scales. A `dark baryon' of mass 5 GeV is a natural candidate and has the required relic abundance if its asymmetry is similar to that of ordinary baryons. We show that such particles can solve the `solar composition problem'. The predicted small decrease in the low energy neutrino fluxes may be measurable by the Borexino and SNO+ experiments.
OriginalsprogEngelsk
Artikelnummer011301
TidsskriftPhysical Review Letters
Vol/bind105
Udgave nummer1
Antal sider4
ISSN0031-9007
DOI
StatusUdgivet - 2010

Emneord

  • hep-ph

Citer dette

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Asymmetric dark matter and the Sun. / Frandsen, Mads Toudal; Sarkar, Subir.

I: Physical Review Letters, Bind 105, Nr. 1, 011301, 2010.

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningpeer review

TY - JOUR

T1 - Asymmetric dark matter and the Sun

AU - Frandsen, Mads Toudal

AU - Sarkar, Subir

PY - 2010

Y1 - 2010

N2 - Cold dark matter particles with an intrinsic matter-antimatter asymmetry do not annihilate after gravitational capture by the Sun and can affect its interior structure. The rate of capture is exponentially enhanced when such particles have self-interactions of the right order to explain structure formation on galactic scales. A `dark baryon' of mass 5 GeV is a natural candidate and has the required relic abundance if its asymmetry is similar to that of ordinary baryons. We show that such particles can solve the `solar composition problem'. The predicted small decrease in the low energy neutrino fluxes may be measurable by the Borexino and SNO+ experiments.

AB - Cold dark matter particles with an intrinsic matter-antimatter asymmetry do not annihilate after gravitational capture by the Sun and can affect its interior structure. The rate of capture is exponentially enhanced when such particles have self-interactions of the right order to explain structure formation on galactic scales. A `dark baryon' of mass 5 GeV is a natural candidate and has the required relic abundance if its asymmetry is similar to that of ordinary baryons. We show that such particles can solve the `solar composition problem'. The predicted small decrease in the low energy neutrino fluxes may be measurable by the Borexino and SNO+ experiments.

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JO - Physical Review Letters

JF - Physical Review Letters

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