Measurement of the seismic attenuation performance of the VIRGO Superattenuator

被引：75

作者：

Braccini, S

Barsotti, L

Bradaschia, C

Cella, G

Di Virgilio, A

Ferrante, I

Fidecaro, F

Fiori, I

Frasconi, F

Gennai, A

Giazotto, A

Paoletti, F

Passaquieti, R

Passuello, D

Poggiani, R

Campagna, E

Guidi, G

Losurdo, G

Martelli, F

Mazzoni, M

Perniola, B

Piergiovanni, F

Stanga, R

Vetrano, F

Viceré, A

Brocco, L

Frasca, S

Majorana, E

Pai, A

Palomba, C

Puppo, P

Rapagnani, P

Ricci, F

Ballardin, G

Barillé, R

Cavalieri, R

Cuoco, E

Dattilo, V

Enard, D

Flaminio, R

Freise, A

Hebri, S

Holloway, L

La Penna, P

Loupias, M

Marque, J

Moins, C

Pasqualetti, A

Ruggi, P

Taddei, R

机构：

[1] Univ Pisa, Sez Pisa Andlor, Ist Nazl Fis Nucl, I-56127 Pisa, Italy

[2] Sez Firenze Urbino, Ist Nazl Fis Nucl, I-50019 Florence, Italy

[3] Univ Florence, I-50125 Florence, Italy

[4] Univ Urbino, I-61029 Urbino, Italy

来源：

ASTROPARTICLE PHYSICS | 2005年 / 23卷 / 06期

关键词：

D O I：

10.1016/j.astropartphys.2005.04.002

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The gravitational wave detector VIRGO aims at extending the detection band down to a few Hertz by isolating the mirrors of the interferometer from seismic noise. This result is achieved by hanging each mirror through an elastic suspension (Superattenuator), designed to filter mechanical vibrations in all the degrees of freedom. An experimental upper limit of the mirror residual seismic noise at a few Hertz is provided in this paper. This is lower than the thermal noise floor, expected to limit the antenna sensitivity in the low frequency range. (c) 2005 Elsevier B.V. All rights reserved.

引用

页码：557 / 565

页数：9

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