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Modified Higgs branching ratios versus CP and lepton flavor violation
David McKeen, Maxim Pospelov, Adam Ritz
New physics thresholds which can modify the diphoton and dilepton Higgs branching ratios significantly may also provide new sources of CP and lepton flavor violation. We find that…
Singlet Neighbors of the Higgs Boson
Brian Batell, David McKeen, Maxim Pospelov
The newly discovered resonance at 125 GeV has properties consistent with the Standard Model (SM) Higgs particle, although some production and/or decay channels currently exhibit O(…
Testing Parity with Atomic Radiative Capture of
David McKeen, Maxim Pospelov
The next generation of "intensity frontier" facilities will bring a significant increase in the intensity of sub-relativistic beams of . We show that the use of these beams in…
Signatures of sub-GeV dark matter beams at neutrino experiments
Patrick deNiverville, David McKeen, Adam Ritz
We study the high-luminosity fixed-target neutrino experiments at MiniBooNE, MINOS and T2K and analyze their sensitivity to light stable states, focusing on MeV--GeV scale dark mat…
Diphotons from Tetraphotons in the Decay of a 125 GeV Higgs at the LHC
Patrick Draper, David McKeen
Recently the ATLAS and CMS experiments have presented data hinting at the presence of a Higgs boson at GeV. The best-fit rate averaged over the two…