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We derive a solution of the gravitational equations which leads to abraneworld scenario in six dimensions using a global cosmic string solution ina low energy effective string theory framework. The final spacetime is composedby one warped brane with $\mathbb{R}^{(3,1)}\times S^{1}$ topology and a powerlaw warp factor, and one noncompact extra dimension transverse to the brane. Bylooking at the current experimental bounds, we find a range of parameters inwhich, if the on-brane dimension has an acceptable size, it does not solve thehierarchy problem. In another example this problem is smoothed by theBrans-Dicke parameter.

Towards an hybrid compactification with a scalar-tensor global cosmic string