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SUMMARY:Searches and Latest Results for the Isotropic Gravitational-Wave B
 ackgrounds with LIGO-Virgo-KAGRA detectors
DTSTART;VALUE=DATE-TIME:20261024T081000Z
DTEND;VALUE=DATE-TIME:20261024T083000Z
DTSTAMP;VALUE=DATE-TIME:20261025T011346Z
UID:indico-contribution-3015@indico.itp.ac.cn
DESCRIPTION:Speakers: Ruhan Rao (UCAS\, ictp-ap)\nThe gravitational-wave b
 ackground (GWB) is a superposition of individually unresolved gravitationa
 l-wave (GW) signals arising from both astrophysical and cosmological sourc
 es accumulated throughout cosmic history. We refer to the GWB as “stocha
 stic” as it can be characterized statistically as a mean zero stochastic
  field. For the isotropic GWB search considered here\, the GWB is further 
 assumed to be stationary\, isotropic\, and unpolarized. Detecting a stocha
 stic GWB can provide information about astrophysical source populations an
 d processes in the early Universe. In this talk\, I will introduce the ana
 lysis methods\, including  the cross-correlation spectra\, frequency estim
 ator and parameter estimation\, and present the latest results using LIGO
 –Virgo–KAGRA data through April 2025.\n\nhttps://indico.itp.ac.cn/even
 t/427/contributions/3015/
LOCATION:
URL:https://indico.itp.ac.cn/event/427/contributions/3015/
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