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Electroweakinos Hiding in Higgs Searches
Mariangela Lisanti, Neal Weiner
Direct production of electroweakly charged states may not produce the high energy jets or the significant missing energy required in many new physics searches at the LHC. However,…
Low Energy INTEGRAL Positrons from eXciting Dark Matter
Rob Morris, Neal Weiner
The origin of the e^+e^- 511 keV line observed by INTEGRAL remains unclear. The rate and morphology of the signal have prompted questions as to whether dark matter could play a rol…
Sommerfeld-Enhanced Annihilation in Dark Matter Substructure: Consequences for Constraints on Cosmic-Ray Excesses
Tracy R. Slatyer, Natalia Toro, Neal Weiner
In models of dark matter (DM) with Sommerfeld-enhanced annihilation, where the annihilation rate scales as the inverse velocity, N-body simulations of DM structure formation sugges…
A CoGeNT Modulation Analysis
Patrick J. Fox, Joachim Kopp, Mariangela Lisanti +1
We analyze the recently released CoGeNT data with a focus on their time-dependent properties. Using various statistical techniques, we confirm the presence of modulation in the dat…
An Effective Z'
Patrick J. Fox, Jia Liu, David Tucker-Smith +1
We describe a method to couple Z' gauge bosons to the standard model (SM), without charging the SM fields under the U(1)', but instead through effective higher dimension operators.…
Higgs friends and counterfeits at hadron colliders
Patrick J. Fox, David Tucker-Smith, Neal Weiner
We consider the possibility of "Higgs counterfeits" - scalars that can be produced with cross sections comparable to the SM Higgs, and which decay with identical relative observabl…