S. Aoudia

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A stochastic background of gravitational waves is expected to arise from a superposition of a large number of unresolved gravitational-wave sources of astrophysical and cosmological origin. It should carry unique signatures from the earliest epochs in the evolution of the Universe, inaccessible to standard astrophysical observations. Direct measurements of(More)
We present the results of a search for gravitational-wave bursts (GWBs) associated with 137 gamma-ray bursts (GRBs) that were detected by satellite-based gamma-ray experiments during the fifth LIGO science run and first Virgo science run. The data used in this analysis were collected from 2005 November 4 to 2007 October 1, and most of the GRB triggers were(More)
Nowadays, ultrasonic flaw detection is an important research topic in material NDE. However, to enhance the flaw characterization, methods based on threshold have given good results only when the signal to noise ratio is high. Since bandwidth of the reflected signals as well as its principal frequency is subject to wide variation, it is impossible to create(More)
The Amaldi 10 Parallel Session C2 on gravitational wave(GW) search results, data analysis and parameter estimation included three lively sessions of lectures by 13 presenters, and 34 posters. The talks and posters covered a huge range 123 11 Page 2 of 26 P. Astone et al. of material, including results and analysis techniques for ground-based GW detectors ,(More)
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