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2 results on '"G. Modestino"'

1. Increasing the bandwidth of resonant gravitational antennas: the case of explorer.

Author

Astone P, Babusci D, Bassan M, Carelli P, Cavallari G, Coccia E, Cosmelli C, D'Antonio S, Fafone V, Fauth AC, Federici G, Giordano G, Marini A, Minenkov Y, Modena I, Modestino G, Moleti A, Pallottino GV, Pizzella G, Quintieri L, Rocchi A, Ronga F, Terenzi R, Torrioli G, and Visco M

Abstract

Resonant gravitational wave detectors with an observation bandwidth of tens of hertz are a reality: the antenna Explorer, operated at CERN by the ROG Collaboration, has been upgraded with a new readout. In this new configuration, it exhibits an unprecedented useful bandwidth: in over 55 Hz about its center operating frequency of 919 Hz the spectral sensitivity is better than 10(-20) Hz(-1/2). We describe the detector and its sensitivity and discuss the foreseeable upgrades to even larger bandwidths.

Published
2003
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2. Cosmic rays observed by the resonant gravitational wave detector NAUTILUS

Author

Astone P, Bassan M, Bonifazi P, Carelli P, Coccia E, Fafone V V, D'Antonio S, Frasca S, Marini A, Mauceli E, Mazzitelli G, Minenkov Y, Modena I I, Modestino G, Moleti A, Pallottino GV, Papa MA, Pizzella G, Ronga F, Terenzi R, Visco M, and Votano L

Abstract

The passage of cosmic rays has been observed to excite mechanical vibrations in the resonant gravitational wave detector NAUTILUS operating at temperature of 100 mK. A very significant correlation (more than 10 standard deviations) is found.

Published
2000
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