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SUMMARY:Nicholas Rodd (UC Berkeley)
DTSTART:20210309T180000Z
DTEND:20210309T190000Z
DTSTAMP:20260423T024512Z
UID:nhetc/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/nhetc/6/">Tw
 o new ideas for the axion dark matter program</a>\nby Nicholas Rodd (UC Be
 rkeley) as part of NHETC Seminar\n\n\nAbstract\nThe coming decade will bri
 ng dramatic improvement in the axion dark matter program as new experiment
 al designs move beyond the proof of principle stage. In this talk I will o
 utline two new ideas that exploit this experimental progress. The first is
  to combine the results from two or more instruments in order to perform i
 nterferometry directly on the dark-matter wave. This technique reveals asp
 ects of the axion signal that can be invisible to a single detector\, such
  as the incident direction of the dark-matter wave. The second is to searc
 h for relativistic axions in these experiments\, in particular future inst
 ruments like dark-matter radio will be sensitive to axions produced in the
  early universe that constitute a residual Cosmic axion Background (CaB). 
 Existing searches at\, for instance ADMX\, are not yet sensitive to a cosm
 ic relic\, although if relativistic axions are produce in the late univers
 e\, by for instance dark-matter decaying to axions\, then this is a signal
  the experiments are already sensitive to\, but would miss with existing a
 nalyses.\n
LOCATION:https://researchseminars.org/talk/nhetc/6/
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