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56 papers · 2 filters
Brane-localized Kinetic Terms in the Randall-Sundrum Model
H. Davoudiasl, J. L. Hewett, T. G. Rizzo
We examine the effects of boundary kinetic terms in the Randall-Sundrum model with gauge fields in the bulk. We derive the resulting gauge Kaluza-Klein (KK) state wavefunctions and…
Collider Tests of the Little Higgs Model
Gustavo Burdman, Maxim Perelstein, Aaron Pierce
The little Higgs model provides an alternative to traditional candidates for new physics at the TeV scale. The new heavy gauge bosons predicted by this model should be observable a…
Atmospheric Neutrinos Can Make Beauty Strange
Roni Harnik, Daniel T. Larson, Hitoshi Murayama +1
The large observed mixing angle in atmospheric neutrinos, coupled with Grand Unification, motivates the search for a large mixing between right-handed strange and bottom squarks. S…
Transverse Polarization Signatures of Extra Dimensions at Linear Colliders
Thomas G. Rizzo
If significant longitudinal polarization of both the electrons and positrons becomes feasible at a future linear collider(LC), it may be possible to use spin rotators to produce tr…
Two-loop corrections to
Z. Bern, A. De Freitas, L. Dixon
An overview of the calculation of the two-loop helicity amplitudes for scattering of two gluons into two photons is presented. These matrix elements enter into the recent improved…
The Di-Photon Background to a Light Higgs Boson at the LHC
Zvi Bern, Lance Dixon, Carl Schmidt
Recent years have seen a significant advance in our ability to calculate two-loop matrix elements. In this talk we describe an application of this breakthrough to improve our under…