Conveners
Dark Matter III
- Arthur Kosowsky
Michael Duerr
(MPIK Heidelberg)
5/5/15, 2:00 PM
parallel talk
I present an extension of the Standard Model in which baryon number is a local gauge symmetry that can be spontaneously broken at the low scale without introducing dangerous operators mediating proton decay. In this model, the dark matter candidate is a Dirac fermion with baryon number. I discuss the prospects for direct and indirect dark matter detection, as well as collider signatures of the model.
Samuel Roland
(University of Michigan)
5/5/15, 2:15 PM
parallel talk
The Higgs boson mass of 125 GeV is suggestive of superpartners at the PeV scale. We show that new physics at this scale can also explain the observed active neutrino masses via a modified, low energy seesaw mechanism and provide a sterile neutrino dark matter candidate with keV-GeV scale mass. These emerge in a straightforward manner if the right-handed neutrinos are charged under a new...
Juri Smirnov
(Max Planck Institute for Nuclear Physics)
5/5/15, 2:30 PM
parallel talk
In this work we discuss generic model building consequences in the conformal framework and demonstrate their implications in the conformal inverse seesaw on neutrino mass phenomenology and the dark matter abundance. We find that low energy particle physics observables favour a scenario with heavy pseudo-Dirac sterile neutrinos, which in the conformal framework conspire with the electroweak...
Dr
Wei-Chih Huang
(University College London)
5/5/15, 2:45 PM
parallel talk
We propose a simple scenario that directly connects the dark matter (DM) and neutrino mass scales. Based on an interaction between the DM particle $\chi$ and the neutrino $\nu$ of the form $\chi\chi\nu\nu/\Lambda^2$, the DM annihilation cross section into the neutrino is determined and a neutrino mass is radiatively induced. Using the observed neutrino mass scale and the DM relic density, the...
Can Kilic
(University of Texas at Austin)
5/5/15, 3:00 PM
parallel talk
All matter in the Standard Model appears in three generations, with a flavor structure the origin of which is not well understood. This motivates the question whether distinct phenomenological features arise if dark matter (DM) also has a non-trivial flavor structure. In this talk I will review the experimental signatures of a scenario where DM carries lepton flavor. I will demonstrate that...
Jennifer Kile
(U Florida)
5/5/15, 3:15 PM
parallel talk
In this work, we try to simultaneously address two puzzles related to dark matter and flavor. The first is tension between the new physics scale suggested by the measured dark-matter relic density, O(100 GeV - 1 TeV), and the null results from direct-detection experiments which suggest a lower bound on the new physics scale of O(10 TeV). The second is tension between the strong constraints on...
Mr
David Feld
(Rutgers)
5/5/15, 3:30 PM
parallel talk
In this talk I discuss the phenomenology of the Leptophilic two-Higgs Doublet model and Leptophilic SUSY, and its implications for dark matter physics. Such models allow for viable dark matter candidates while offering interesting phenomenology in the extended Higgs sector. I review the constraints that these models must satisfy, and discuss its ability to explain anomalies such as the gamma...
Ms
Sahar Bahrami
(Concordia University)
5/5/15, 3:45 PM
parallel talk
The inability to predict neutrino masses and the existence of the dark matter are two essential shortcomings of the Standard Model. In this work we analyze the effects of introducing vectorlike leptons in the Higgs triplet model to provide a scenario that can explain both neutrino masses and provide a DM candidate. We investigate constraints, including the invisible decay width of the Higgs...
