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Environmentally Selected WIMP Dark Matter with High-Scale Supersymmetry Breaking
Gilly Elor, Hock-Seng Goh, Lawrence J. Hall +2
We explore the possibility that both the weak scale and the thermal relic dark matter abundance are environmentally selected in a multiverse. An underlying supersymmetric theory co…
Freeze-In Production of FIMP Dark Matter
Lawrence J. Hall, Karsten Jedamzik, John March-Russell +1
We propose an alternate, calculable mechanism of dark matter genesis, "thermal freeze-in," involving a Feebly Interacting Massive Particle (FIMP) interacting so feebly with the the…
A Finely-Predicted Higgs Boson Mass from A Finely-Tuned Weak Scale
Lawrence J. Hall, Yasunori Nomura
If supersymmetry is broken directly to the Standard Model at energies not very far from the unified scale, the Higgs boson mass lies in the range 128-141 GeV. The end points of thi…
The Leptonic Higgs as a Messenger of Dark Matter
Hock-Seng Goh, Lawrence J. Hall, Piyush Kumar
We propose that the leptonic cosmic ray signals seen by PAMELA and ATIC result from the annihilation or decay of dark matter particles via states of a leptonic Higgs doublet to …
Multi-muon events at the Tevatron: a hidden sector from hadronic collisions
Riccardo Barbieri, Lawrence J. Hall, Vyacheslav S. Rychkov +1
Intrigued by some features of a small but significant fraction of the multi-muon events recently published by the CDF collaboration, we show an explicit attempt to describe them in…