First results of the low frequency facility experiment

Year: 2004

Authors: Di Virgilio A., Braccini S., Ballardin G., Bradaschia C., Cella G., Cuoco E., Dattilo V., Fazzi M., Ferrante I., Fidecaro F., Frasconi F., Giazotto A., Gennai A., Holloway LH., Mei HA., Ni WT., La Penna P., Lomtadze T., Losurdo G., Passaquieti R., Passuello D., Poggiani R., Porzio A., Puppo P., Raffaelli F., Rapagnani P., Ricci F., Ricciardi I., Solimeno S., Stanga R., Vetrano F., Zhou Z.

Autors Affiliation: 1 Istituto Nazionale di Fisica Nucleare, Sez. Pisa, Italy
2 EGO, European Gravitational Observatory, Cascina (Pi), Italy
3 Università di Pisa, Pisa, Italy
4 Tsing Hua University, Hsin-Chu, Taiwan
5 INFN Sezione di Firenze, Sesto Fiorentino, Italy
6 Istituto Nazionale di Fisica Nucleare, Sez. Napoli, Dipartimento di Scienze Fisiche,
Università di Napoli ‘Federico II’, Italy
7 Università di Roma, Roma1, Roma, Italy
8 Università di Firenze, Firenze, Italy
9 Università di Urbino, Urbino, Italy

Abstract: The first low frequency facility (LFF) data are presented; the main purpose of the LFF is to study the pendulum thermal noise around 10 Hz. The displacement noise floor is at the level of 10^−13 m Hz^−1/2 at 10 Hz, and at about 11 Hz entersthe 10^−14 m Hz^−1/2 sensitivity region; this level is compatible with the electronic noise of the drivers of the actuators used to lock the apparatus. The calibration method and the seismic noise contribution are discussed.

Journal/Review: CLASSICAL AND QUANTUM GRAVITY

Volume: 21 (5)      Pages from: S1099  to: S1106

KeyWords: Fabry–Perot cavity; pendulum thermal noise;

Citations: 5
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