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Journal of High Energy Physics

, 2014:122

First Online: 22 September 2014Received: 10 July 2014Revised: 28 August 2014Accepted: 03 September 2014 Abstract

We consider axino dark matter in large R-parity violation RPV. In moduli-dominated universe, axino is produced thermally or non-thermally via saxion decay, then late-decaying moduli dilute axino density, which results in the right abundance to explain the present dark matter. At the same time baryon asymmetry is generated due to moduli-induced baryogenesis via the large RPV. Axino is cosmologically stable in spite of the large RPV since its decay rate is suppressed by the axion decay constant, heavy squark mass or kinematics.

KeywordsSupersymmetry Phenomenology ArXiv ePrint: 1407.1827

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Autor: Koji Ishiwata


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