Natural mu-term generation in supergravity scenario

Details Natural mu-term generation in supergravity scenario Natural mu-term generation in supergravity scenario

2001-07-09

arxiv.org/abs/hep-ph/0107084v1

Prog.Theor.Phys. 106 (2001) 1239-1245

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages

Scientific paper

10.1143/PTP.106.1239

We discuss a natural way to generate the mu-term in supergravity scenario. Once the supergravity effects are taken into account, the vacuum expectation values (VEVs) of the heavy fields are in general shifted from the values in the supersymmetric limit. We note that this fact is independent of any Kahler ansatz and the values of the VEV shifts are of the order of the gravitino mass. As an example, an explicit model is presented, in which both of the mu-term and the B-term of the electroweak scale are generated by the VEV shifts through the supergravity effects. This model is a kind of the next to minimal supersymmetric standard model, but there is no light standard model singlet field. Also, we emphasize that our discussion can be naturally applied to the supersymmetric grand unified theory.

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