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A supersymmetric solution to the KARMEN time anomaly
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We interpret the KARMEN time anomaly as being due to the production of a (dominantly bino) neutralino with mass 33.9 MeV, which is the lightest supersymmetric particle but decays into 3 leptons through the violation of R-parity. For independent gaugino masses M_1 and M_2 we find regions in the (M_1, M_2, mu, tan beta) parameter space where such a light neutralino is consistent with all experiments. Future tests of this hypothesis are outlined.
Forward citations
Cited by 2 Pith papers
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Searching for long-lived light neutralinos from $B$-meson decays with baryonic R-parity violation at Belle II
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The Single Photon Signature of a Light Long-lived Neutralino at Remote Detectors at the LHC
ANUBIS offers the highest projected sensitivity for detecting single-photon signatures from long-lived neutralinos at the LHC among several remote detector proposals, based on six benchmark scenarios.
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