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1999•Physical review. D. Particles, fields, gravitation, and cosmology/Physical review. D. Particles and fieldsOpen access

Neutralino properties in the light of a further indication of an annual modulation effect in WIMP direct search

A. Bottino, Fiorenza Donato, N. Fornengo, S. Scopel

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Abstract

We demonstrate that the further indication of a possible annual modulation effect, singled out by the DAMA/NaI experiment for WIMP direct detection is widely compatible with an interpretation in terms of a relic neutralino as the major component of dark matter in the Universe. We discuss the supersymmetric features of this neutralino in the minimal supersymmetric extension of the standard model and their implications for searches at accelerators.

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What this paper is about

We demonstrate that the further indication of a possible annual modulation effect, singled out by the DAMA/NaI experiment for WIMP direct detection is widely compatible with an interpretation in terms of a relic neutralino as the major component of dark matter in the Universe. We discuss the supersymmetric features of this neutralino in the minimal supersymmetric extension of the standard model and their implications for searches at accelerators.

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Available abstract

We demonstrate that the further indication of a possible annual modulation effect, singled out by the DAMA/NaI experiment for WIMP direct detection is widely compatible with an interpretation in terms of a relic neutralino as the major component of dark matter in the Universe. We discuss the supersymmetric features of this neutralino in the minimal supersymmetric extension of the standard model and their implications for searches at accelerators.

Key concepts: WIMP, Neutralino, Physics, Minimal Supersymmetric Standard Model, Particle physics, Dark matter, Supersymmetry, Weakly interacting massive particles

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