830 research outputs found
2000-05: Shaping the new Europe. Presentation to the European Parliament by President Romano Prodi. Strategic objectives 2000-05 (COM(2000) 154). The Commission's work programme for 2000 (COM(2000) 155). Resolutions of the European Parliament. Bulletin of the European Union Supplement 1/2000
Competitivita' del sistema Italia e gestione dei servizi: tavola rotonda
Alla tavola rotonda, in collegamento via satellite con Pittsburgh, hanno partecipato alcuni membri della Faculty della Carnegie Mellon University, i quali hanno commentato da diverse angolazioni l'esperienza americana nel campo della deregolamentazione e della privatizzazione di alcuni servizi.Gli interventi di Lorenzo Necci e Romano Prodi entrano nel merito del ruolo che le politiche di privatizzazione possono avere in Italia nel fare recuperare efficacia ed efficienza al settore dei servizi pubblici
Polyamine receptors containing anthracene as fluorescent probes for ketoprofen in H2O/EtOH solution
Triamine receptors containing anthracene units are able to bind and sense ketoprofen via fluorescence enhancement in a H2O/EtOH 50 : 50 (Vol : Vol) mixture exploiting their protonation features, which are tuned by the interaction with the analyte
Exploring the ability of luminescent metal assemblies to bind and sense anionic or ionizable analytes a ru(Phen)2bipy-based dizinc complex for bisphenol a (bpa) recognition
Synthesis, photophysical characterisation and metal ion binding properties of new ligands containing anthracene chromophores
Synthesis, photophysical characterisation and metal ion binding properties of new ligands containing anthracene chromophores
Virgo calibration and reconstruction of the gravitational wave strain during VSR1
Virgo is a kilometer-length interferometer for gravitational waves detection
located near Pisa. Its first science run, VSR1, occured from May to October
2007. The aims of the calibration are to measure the detector sensitivity and
to reconstruct the time series of the gravitational wave strain h(t). The
absolute length calibration is based on an original non-linear reconstruction
of the differential arm length variations in free swinging Michelson
configurations. It uses the laser wavelength as length standard. This method is
used to calibrate the frequency dependent response of the Virgo mirror
actuators and derive the detector in-loop response and sensitivity within ~5%.
The principle of the strain reconstruction is highlighted and the h(t)
systematic errors are estimated. A photon calibrator is used to check the sign
of h(t). The reconstructed h(t) during VSR1 is valid from 10 Hz up to 10 kHz
with systematic errors estimated to 6% in amplitude. The phase error is
estimated to be 70 mrad below 1.9 kHz and 6 micro-seconds above.Comment: 8 pages, 8 figures, proceedings of Amaldi 8 conference, to be
published in Journal of Physics Conference Series (JPCS). Second release:
correct typo
A Cross-correlation method to search for gravitational wave bursts with AURIGA and Virgo
We present a method to search for transient GWs using a network of detectors
with different spectral and directional sensitivities: the interferometer Virgo
and the bar detector AURIGA. The data analysis method is based on the
measurements of the correlated energy in the network by means of a weighted
cross-correlation. To limit the computational load, this coherent analysis step
is performed around time-frequency coincident triggers selected by an excess
power event trigger generator tuned at low thresholds. The final selection of
GW candidates is performed by a combined cut on the correlated energy and on
the significance as measured by the event trigger generator. The method has
been tested on one day of data of AURIGA and Virgo during September 2005. The
outcomes are compared to the results of a stand-alone time-frequency
coincidence search. We discuss the advantages and the limits of this approach,
in view of a possible future joint search between AURIGA and one
interferometric detector.Comment: 11 pages, 6 figures, submitted to CQG special issue for Amaldi 7
Proceeding
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