The Little Randall-Sundrum Model at the Large Hadron Collider

Details The Little Randall-Sundrum Model at the Large Hadron Collider The Little Randall-Sundrum Model at the Large Hadron Collider

2008-02-04

arxiv.org/abs/0802.0203v3

Phys.Lett.B665:67-71,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

Revtex4, 6 pages, two tables. Typos in the text and reference list corrected

Scientific paper

10.1016/j.physletb.2008.05.024

We present a predictive warped model of flavor that is cut off at an ultraviolet scale O(10^3) TeV. This "Little Randall-Sundrum (LRS)" model is a volume-truncation, by a factor $y \approx 6$, of the RS scenario and is holographically dual to dynamics with number of colors larger by $y$. The LRS couplings between Kaluza-Klein states and the Standard Model fields, including the proton constituents, are explicitly calculable without ad hoc assumptions. Assuming separate gauge and flavor dynamics, a number of unwanted contributions to precision electroweak, $Z b\bar b$ and flavor observables are suppressed in the LRS framework, compared with the corresponding RS case. An important consequence of the LRS truncation, independent of precise details, is a significant enhancement of the clean (golden) di-lepton LHC signals, by O(y^3), due to a larger "$\rho$-photon" mixing and a smaller inter-composite coupling.

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