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Low-energy models with two supersymmetries |
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| Authors: | F Del Aguila M Dugan B Grinstein L Hall GG Ross P West |
| Institution: | Departamento de Fisica Teórica, Universidad Autonoma, Barcelona, Spain Lyman Laboratory of Physics, Harvard University, Cambridge, MA 02138, USA Rutherford Appleton Laboratory, Chilton, Didcot, UK Mathematics Department, King's College, The Strand, London WC2, UK |
| Abstract: | Realistic models of low-energy physics with two supersymmetries are constructed. Several mechanisms for providing large mirror fermion masses are given in models with gauge groups SU(3) × SU(2) × U(1) and SU(3) × SU(4) × U(1). It is found that the supersymmetry breaking scale must be significantly larger than the W-boson mass. Although none of the models is fully natural, each predicts that mirror fermions should soon be discovered. While the ordinary and mirror squarks and sleptons tend to be very heavy, some gauginos or mirror gauginos are probably light. The models offer prospects for eventual unification into finite grand unified theories. |
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