Les ondes gravitationnelles : une nouvel...Patrice Hello
The birth of gravitational astronomyPatrice Hello
Conférence de Patrice Hello organisée par le département de Physique.
One century after the initial theoretical prediction, the first direct observation of gravitational waves has been announced in February the 11th by the LIGO and Virgo collaborations. This is an extraordinary accomplishment after decades of worldwide instrumental efforts. I will first recall the nature of gravitational waves and their effect on matter and then I will review the interesting astrophysical sources for LIGO and Virgo. I will then describe the interferometric detection of gravitational waves and the LIGO-Virgo network. I will finally discuss the details of GW150914, the first gravitational wave signal detected by the LIGO instruments and emitted by a Binary Black Hole merger.
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Patrice Hello
Cursus :
Patrice Hello est professeur à l'Université Paris-Sud au Laboratoire de l'Accélérateur Linéaire.
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