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Seminar
FIELD Phys:Particle Physics
DATE November 09 (Fri), 2018
TIME 14:00-15:30
PLACE 1423
SPEAKER Jeong-Pyong Hong
HOST Park, Jae-hyeon
INSTITUTE 서울대학교
TITLE Charged Q-ball dark matter in gauge mediation models
ABSTRACT We consider charged Q-ball dark matter scenario, which is realized after the Affleck-Dine baryogenesis through the partial decay of Q-balls. We focus on the fact that these objects are detectable by the usual electromagnetic processes, unlike the ordinary neutral Q-balls. We apply the most stringent constraint from the MICA experiment to the model where the charged Q-balls are realized. We find that the MICA constraint is severer than those from IceCube, which probe neutral Q-ball process, leading to the smaller allowed parameter region.
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