The soft supersymmetry breaking in D=5 supergravity compactified on S_1/Z_2 orbifolds
arXiv:1001.5382 · doi:10.1016/j.physletb.2010.07.005
Abstract
We study the origin of the supersymmetry breaking induced by the mediation of gravity and the radion multiplet from the hidden to the visible brane in the context of the N=2, D=5 supergravity compactified on S_1/Z_2 orbifolds. The soft supersymmetry breaking terms for scalar masses, trilinear scalar couplings and gaugino masses are calculated to leading order in the five dimensional Newton's constant k_5^2 and the gravitino mass m_{3/2}. These are finite and non-vanishing, with the scalar soft masses be non-tachyonic, and are all expressed in terms of the gravitino mass and the length scale R of the fifth dimension. The soft supersymmetry breaking parameters are thus correlated and the phenomenological implications are discussed.
16 pages, 3 figures, 1 Table, final version to appear in Physics Letters B, slightly shortened, comments added, typos corrected
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