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$keV$ scale dark matter, baryogenesis and neutrinoless double beta decay in minimal extended seesaw | | Pritam Das
; Mrinal Kumar Das
; | | Date: |
22 Aug 2019 | | Abstract: | We have studied $keV$ scale dark matter (DM), neutrinoless double beta decay
(NDBD) and baryogenesis within minimal extended seesaw (MES). A generic model
based on $A_4 imes Z_4$ flavor symmetry is used to explain both normal and
inverted hierarchy mass pattern of neutrino and also to accommodate the $keV$
ranged sterile netrino mass. Significant results on effective neutrino mass are
observed in presence of $keV$ sterile neutrino in NDBD. In order to validate DM
within this model, we have checked decay width and relic abundance of the heavy
neutrino flavor and which constrained sterile neutrino DM mass. Baryogenesis is
also studied simultaneously within this framework and Dirac CP phase get
constrained with the results. Co-relation among the observable and model
parameters are also carried out within this framework. | | Source: | arXiv, 1908.8417 | | Services: | Forum | Review | PDF | Favorites | |
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