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We compute quadratically divergent supergravity one-loop effects on softsupersymmetry-breaking parameters and the $\mu$ term in generic hidden sectorsupergravity models. These effects can significantly modify the matchingcondition for soft parameters at the Planck scale and also provide several newsources of the $\mu$ term which are naturally of order the weak scale. We alsodiscuss some phenomenological implications of these effects, particularly theviolation of the scalar mass universality which may lead to dangerous FCNCphenomena, and apply the results to superstring effective supergravity models.Comment: 12 pages, REVTEX. One reference is adde

physical review letters

Supergravity Radiative Effects on Soft Terms and the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi mathvariant="italic">μ</mml:mi></mml:math>Term

Supergravity Radiative Effects on Soft Terms and theμTerm