Bulk fields and fermion mass hierarchy in multily warped braneworld models

by Dr R. Srikanth Hundi (IACS, Kolkata)

Wednesday 21 Dec 2011, 11:00 → 12:00 Asia/Kolkata

A304 (Colaba Campus)

The hierarchy between the Planck and electroweak scales can be elegantly explained in the 5-dimensional setup of Randall-Sundrum (RS) model. However, introducing the standard model fields into the bulk of the RS model may lead to constraints from precision electroweak tests and also bulk Higgs problem. We have solved some of these problems by extending the RS model to multiply warped braneworld models. These models have more richness that the precision electroweak constraints can be avoided. Moreover, we have also shown that the hierarchical mass pattern of the standard model fermions can be accommodated in these class of models.