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Showing 1 to 7 of 7 for “"mSUGRA"”.
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Quantifying galactic propagation uncertainty in WIMP dark matter search with AMS01 Z=-1 spectrum
… set of supersymmetric benchmark scenarios in the mSUGRA framework. The result is consistent with no dark matter, assuming a smooth isothermal distribution of dark matter in the Galactic halo. 90% upper bounds of the boost factor by which the flux from the DM annihilation could be enhanced without …
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Search for R-parity violating supersymmetry in multilepton final states with the DŸ detector
… in two different supersymmetry scenarios: the mSUGRA and the MSSM model. The corresponding lower limits on the masses of the lightest neutralino (N1) and the lightest chargino (C1) in case of the mSUGRA model are found to be in the range of: mSUGRA, mu > 0: M(N1) >~ 115-128 GeV and M(C1) >~ …
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Towards a reconstruction of the SUSY seesaw model
… on the unknown seesaw, light neutrino and mSUGRA parameters. In order to separate these different influences, we first considered two classes of seesaw models, namely quasi-degenerate and strongly hierarchical right-handed neutrinos. As a generalisation, we presented a method that can be …
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Resonant second generation slepton production at the tevatron
… are combined within the minimal super gravity (mSUGRA) model to the world's best limit on the relevant coupling lambda'_211 in dependence of the neutralino and the slepton masses. A lower bound on the slepton mass depending only on lambda'_211 is derived. If any LQD coupling lambda'_2ij with …
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Space qualification of the transition radiation detector of the AMS-02 experiment and indirect search for dark matter
… models. A phenomenological study based on the mSUGRA frameworks was carried out and showed a better interpretation of CR fluxes including neutralino annihilations in the galactic halo or center. The combined data of positrons, antiprotons and gamma rays give a strong constraint on the mSUGRA …
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Towards a precise measurement of the cosmic-ray positron fraction
… in the minimal supergravity grand unification (mSUGRA) model. Assuming that neutralino annihilations are enhanced by boost factors taken from best fits to the positron fraction data published so far, both PEBS and AMS-02 will be capable of substantially constraining mSUGRA parameter space. It is …
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SUSY Seesaw model and phenomenological implications for leptonic processes at low energies and leptogenesis
… it has been demonstrated that in the considered mSUGRA, AMSB, GMSB and gaugino mediated scenarios, the ongoing search for Br(mu->e gamma) can constrain fundamental SSB parameters and/or the seesaw parameters. On the other hand, the basic parameters of thermal leptogenesis, such as the CP …