Volume 91, Number 3, August 2010
|Number of page(s)||5|
|Section||The Physics of Elementary Particles and Fields|
|Published online||16 August 2010|
Scalar Kaluza-Klein modes in a multiply warped braneworld
Department of Theoretical Physics, Indian Association for the Cultivation of Science - Kolkata 700032, India
2 Department of Physics, Bethune College - 181 Bidhan Sarani, Kolkata 700006, India
Accepted: 6 July 2010
The Kaluza-Klein (KK) modes of a massive scalar field on a 3-brane embedded in a six-dimensional multiply warped spacetime are determined. Due to the presence of warping along both the extra dimensions the KK mass spectrum splits into two closely spaced branches which is a distinct feature of this model compared to the five-dimensional Randall-Sundrum model. This new cluster of the KK mode spectrum is expected to have interesting phenomenological implications for the upcoming collider experiments. It is also shown that the effective scalar self-couplings of all orders are enhanced due to the presence of an extra warped dimension. Such a scenario may also be extended for even larger number of orbifolded extra dimensions.
PACS: 11.10.Kk – Field theories in dimensions other than four / 11.25.Mj – Compactification and four-dimensional models
© EPLA, 2010
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