Description
Chair: Hai-Bo Yu (University of California, Riverside)
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Prof. Ariel Zhitnitsky (University of British Columbia)11/14/13, 4:20 PMDark MatteroralI review a testable dark matter model outside of the standard WIMP paradigm in which the observed ratio Omega_{DM}~ 5 Omega_{B} for visible and dark matter densities finds its natural explanation as a result of their common QCD origin. Special emphasis is placed on the observational consequences of this model and on the detection prospects for present or planned experiments. In...Go to contribution page
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Dr Shinta Kasuya (Kanagawa University)11/14/13, 4:45 PMDark MatteroralWe consider the Q-ball decay and investigate the scenario that the amount of the baryons and the gravitino dark matter is at the same time naturally explained by the decay of the Q balls in the gauge-mediated SUSY breaking. We show the decay rates into baryons, NLSPs, and gravitinos, and estimate their branching ratios based on the consideration of Pauli blocking. Although the NLSPs...Go to contribution page
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Patrick Stengel (University of Hawaii)11/14/13, 5:10 PMDark MatteroralWe consider a class of leptogenesis models in which the lepton asymmetry arises from dark matter annihilation processes which violate CP and lepton number. Importantly, a necessary one-loop contribution to the annihilation matrix element arises from absorptive final state interactions. We elucidate the relationship between this one-loop contribution and the CP-violating phase. As we show, the...Go to contribution page
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Mr Keita Fukushima (University of Hawaii at Manoa)11/14/13, 5:35 PMDark Matteroralg-2 correction has been accurately measured in the E821 experiment at Brookhaven National Lab (BNL). Yet, there remains a 3 sigma difference between experiment and theory. One way that this discrepancy can be interpreted is by new particles running in the loop. The smallness of this discrepancy provides a tight constraint on its coupling. This bound is then applied to constrain the...Go to contribution page