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Hai-Bo Yu (University of Michigan)5/9/17, 2:00 PMparallel talk
Mini-Review On Non-WIMP dark matter
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Tao Ren5/9/17, 2:30 PM
Recently the well known core/cusp problem in the lambda cold dark matter ($\Lambda$CDM) paradigm is upgraded to the diversity problem in the galaxy rotation curve due to the failure of $\Lambda$CDM to explain the diverse behavior in observed rotation curves, especially for dwarf galaxies. To determine whether self-interacting dark matter (SIDM) framework will help to understand this issue, we...
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Dat Duong (University of Virginia)5/9/17, 2:45 PMparallel talk
Strongly self-interacting dark matter (SSIDM) was proposed as a candidate which might be able to solve astrophysical problems plaguing collisionless cold dark matter: the cusp-vs-core, the missing satellite and the too-big-to-fail problems. These SSIDM particles can in principle form bound states. In particular, if the SSIDM particles belong to a confining gauge group, the singlet states...
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Hongwan Liu (Massachusetts Institute of Technology)5/9/17, 3:00 PMparallel talk
The thermal relic density of dark matter is conventionally set by two-body annihilations. We point out that in many simple models, 3→2 annihilations can play an important role in determining the relic density over a broad range of model parameters. This occurs when the two-body annihilation is kinematically forbidden, but the 3→2 process is allowed; we call this scenario "Not-Forbidden Dark...
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Doojin Kim (CERN)5/9/17, 3:15 PMparallel talk
The existence of dark matter (DM) in the universe is strong evidence that new physcs beyond the Standard Model is needed to explain relevant phenomenology. As we know little about DM properties, many well-motivated new physics models consider the minimal dark/hidden sector scenario, "forgetting" other members in the hidden sector. Furthermore, DM experiments are designed and results are...
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Seodong Shin (Yonsei University)5/9/17, 3:30 PMparallel talk
I will talk about a novel dark matter (DM) detection strategy for the models with non-minimal dark sector. The main ingredients in the underlying DM scenario are a boosted DM particle and a heavier dark sector state. The relativistic DM impinged on target material scatters off inelastically to the heavier state which subsequently decays into DM along with lighter states including visible...
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Jong-Chul Park5/9/17, 3:45 PMparallel talk
We propose a novel mechanism to accommodate the positron excesses observed by PAMELA and AMS-02 under the dark matter interpretation. Unlike the known approaches of enhancing annihilation/decay strength or local dark matter density nearby the Earth, our proposal makes direct use of dark matter nearby the Galactic Center where it populates most densely in the Galaxy. The key points of this...
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