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Light Neutralinos and WIMP direct searches
A. Bottino, F. Donato, N. Fornengo +1
The predictions of our previous analyses about possible low-mass (lower than 50 GeV) relic neutralinos are discussed in the light of the most recent results from WIMP direct detect…
Antiprotons in cosmic rays from neutralino annihilation
F. Donato, N. Fornengo, D. Maurin +2
We calculate the antiproton flux due to relic neutralino annihilations, in a two-dimensional diffusion model compatible with stable and radioactive cosmic ray nuclei. We find that…
Lower Bound on the Neutralino Mass from New Data on CMB and Implications for Relic Neutralinos
A. Bottino, F. Donato, N. Fornengo +1
In the frame of an effective MSSM model without gaugino-mass unification at a grand unification (GUT) scale, we set a lower bound on the neutralino mass based on the new WMAP data…
Temporal distortion of annual modulation at low recoil energies
N. Fornengo, S. Scopel
We show that the main features of the annual modulation of the signal expected in a WIMP direct detection experiment, i.e. its sinusoidal dependence with time, the occurrence of it…
Light Relic Neutralinos
A. Bottino, N. Fornengo, S. Scopel
The relic abundance and the scalar cross-section off nucleon for light neutralinos (of mass below about 45 GeV) are evaluated in an effective MSSM model without GUT-inspired relati…