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HEP: Natural Heavy Supersymmetry

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Brian Batell, The University of Pittsburgh
27 April 2016 from 2:30 PM to 3:30 PM
339 Davey Laboratory
Contact Name
Kohta Murase
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We study how, as a result of the scanning of supersymmetry breaking during the cosmological evolution, a relaxation mechanism can naturally determine a hierarchy between the weak scale and the masses of supersymmetric particles. Supersymmetry breaking is deter- mined by QCD instanton effects, in an extremely minimal setup in which a single field drives the relaxation and breaks supersymmetry. Since gauginos are lighter than the other super- symmetric particles by a one-loop factor, the theory is a realisation of Split Supersymmetry free from the naturalness problem.