3,824 research outputs found

    Gaps for God?

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    Wetensch. publicati

    Onherleidbaarheid, natuurwetenschap en geloof

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    Dit Tranendal - De beste van alle mogelijke werelden?

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    Cold Dark Matter Candidate in a Class of Supersymmetric Models with an Extra U(1)

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    In supersymmetric models whose gauge group includes an additional U(1) factor at the TeV scale, broken by the VEV of an standard model singlet S, the parameter space can accommodate a very light neutralino not ruled out experimentally. This higgsino-like fermion, stable if R-parity is conserved, can make a good cold dark matter candidate. We examine the thermal relic density of this particle and discuss the prospects for its direct detection if it forms part of our galactic halo.Comment: 13 pages, LaTex, uses psfig.sty with 3 figure
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