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SUMMARY:Searching for Axions and High Frequency Gravitational Waves with T
 able-Top Experiments
DTSTART:20260929T080000Z
DTEND:20260929T100000Z
DTSTAMP:20260430T231200Z
UID:indico-event-17488@indico.global
DESCRIPTION:Speakers: Matthias Schott (CERN / University of Mainz)\n\nWith
  the observation of gravitational waves (GWs) in 2015 by the terrestial in
 terferometer LIGO\, a new era of fundamental physics begun. Since then\, a
  network of GW ground-based interferemeters has scrutinized the band of fr
 equencies in the Hz to kHz range\, finding almost hundred mergers of binar
 ies of black holes or neutron stars. In 2023\, a signal in the nHz band wa
 s discovered using the timing of radio signals from pulsars. The race for 
 the exploration of other bands is one of the most active and potentially g
 roundbreaking areas of physics. Accessing high frequency GWs (HFGWs)\, in 
 the range kHz-GHz\, is of high interest for multiple reasons. For example\
 , the recent recognition that some odds-on models of dark matter generate 
 signals in this range\, caused by primordial black hole mergers or dynamic
 s of over densities of ultra-light dark matter.\nThe use of cavities in st
 rong magnetic fields has been identified as one of the most promising tech
 niques to search for HFGWs as well as Axions. In this context\, we are cur
 rently establishing the GravNet (Global Network of Cavities to Search for 
 Gravitational Waves) project\, that aims to significantly improve these id
 eas towards the detection of HFGWs. The scheme utilizes the synergy of dif
 ferent technologies and methodology approaches and is fundamentally based 
 on synchronous measurements of cavity signals from multiple devices operat
 ing in magnetic fields at different locations\, boosting the sensitivity t
 owards HFGWs by more than three orders of magnitude compared to current ap
 proaches. In this talk\, we will present the key concepts of GravNet\, res
 ults of preliminary studies and possibilities to join this initiative.\n\n
 https://indico.global/event/17488/
URL:https://indico.global/event/17488/
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