Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2010-01-05
Phys.Rev.D81:085006,2010
Physics
High Energy Physics
High Energy Physics - Phenomenology
47 pages, 5 figures. v2: Added references and discussion on CP violation
Scientific paper
10.1103/PhysRevD.81.085006
A possible resolution of the flavor puzzle is that the fermion mass hierarchy can be dynamically generated through the coupling of the first two generation fields to a strongly coupled sector, which is approximately conformally invariant and leads to large anomalous dimensions for the first two generation fields over a large range of energies. We investigate the possibility of using the same sector to also break supersymmetry. We show that this automatically gives an "inverted hierarchy" in which the first two generation squarks and sleptons are much heavier than the other superpartners. Implementing this construction generically requires some fine-tuning in order to satisfy the constraints on flavor-changing neutral currents at the same time as solving the hierarchy problem. We show that this fine-tuning can be reduced to be milder than the percent level by making some technically natural assumptions about the form of the strongly coupled sector and its couplings to the standard model.
Aharony Ofer
Berdichevsky Leon
Berkooz Micha
Hochberg Yonit
Robles-Llana Daniel
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