Publication: Nature of branon dark matter
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2004-02-26
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American Physical Society
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We explore the different possibilities for branons as dark matter candidates. We consider a general brane-world model, parametrized by the number of extra dimensions, N, the fundamental scale of gravity M-D, the brane tension scale f, and the branon mass M. We analyze the parameter region in which branons behave as collisionless thermal relics, either cold or hot (warm), together with less standard scenarios in which they are strongly self-interacting or produced non-thermally.
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© 2004 The American Physical Society. I would like to thank J. A. R. Cembranos, A. Dobado, and J. R. Peláez for useful comments and discussions, and also Alberto L. del Amo for additional motivation. This work was partially supported by the DGICYT (Spain) under the project numbers FPA 2000-0956 and BFM2002-01003.
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