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DTSTAMP:20260412T031150
DTSTART:20171006T143000
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URL:https://murmitoyen.com/events/vanille/udem/detail/783664-the-search-for
 -dark-interactions-with-interpretation-for-dark-matter
LOCATION:Université de Montréal - Pavillon Claire-McNicoll\, 2900\, chemi
 n de la Tour\, Montréal\, QC\, Canada\, H3T 1J6
SUMMARY:The Search for Dark Interactions with interpretation for dark matte
 r
DESCRIPTION:Ketevi Assamagan
\n 
\n Brookhaven National Laboratory
\n 
\
 nHidden sector or dark sector states appear in many extensions to the Stan
 dard Model\, to provide a candidate for the darkmatter in the universe or 
 to explain astrophysical observations of positron excesses. A hidden or da
 rk sector can be introduced with an additional U(1)d dark gauge symmetry. 
 The presence of the dark sector could be inferred either from deviations f
 rom the SM-predicted rates of Drell-Yan (DY) events or from Higgs boson de
 cays through exotic intermediate states. The discovery of the Higgs boson 
 during Run 1 of the Large Hadron Collider opens a new and rich experimenta
 l program that includes the search for exotic decays H —> Z Zdark —> 4
 l and H —> Zdark Zdark\, where Zdark is a dark vector boson.
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