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Photon, neutrino an...
Photon, neutrino and charged particle spectra from R-violating gravitino decays
- Article/chapterEnglish2010
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Elsevier BV,2010
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LIBRIS-ID:oai:DiVA.org:su-50685
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https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-50685URI
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https://doi.org/10.1016/j.physletb.2010.02.050DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
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authorCount :4
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We study photonic. neutrino and charged particle signatures from slow decays of gravitino dark matter in supersymmetric theories where R-parity is explicitly broken by trilinear operators Photons and (anti-)fermions from loop and tree-level processes give rise to spectra with distinct features, which. if observed, can give crucial input on the possible mass of the gravitino and the magnitude and flavour structure of R-violating operators. Within this framework, we make detailed comparisons of the theoretical predictions to the recent experimental data from PAMELA, ATIC and Fermi LAT.
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Lola, S.
(author)
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Osland, P.
(author)
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Raklev, A. R.Stockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC)
(author)
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Stockholms universitetFysikum
(creator_code:org_t)
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In:Physics Letters B: Elsevier BV686:03-feb, s. 152-1610370-26931873-2445
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