The Brazilian spherical detector: progress and plans

被引：29

作者：

Aguiar, OD ^{[1
]}

Andrade, LA

Barroso, JJ

Camargo, L

Carneiro, LA

Castro, CS

Castro, PJ

Costa, CA

Costa, KMF

de Araujo, JCN

de Lucena, AU

de Paula, W

Neto, ECD

de Souza, ST

Fauth, AC

Frajuca, C

Frossati, G

Furtado, SR

Lima, LC

Magalhaes, NS

Marinho, RM

Matos, ES

Melo, JL

Miranda, OD

Oliveira, NF

Paleo, BW

Remy, M

Ribeiro, KL

Stellati, C

Velloso, WF

Weber, J

机构：

[1] Inst Nacl Pesquisas Espaciais, Div Astrofis, Sao Jose Dos Campos, SP, Brazil

[2] Univ Sao Paulo, Inst Fis, BR-01498 Sao Paulo, Brazil

[3] Inst Tecnol Aeronaut, Sao Jose Dos Campos, SP, Brazil

[4] Univ Campinas, Inst Fis, Campinas, SP, Brazil

[5] Inst Aeronaut & Espaco, Sao Jose Dos Campos, SP, Brazil

[6] Ctr Fed Ensino Tecnol Sao Paulo, Sao Paulo, Brazil

[7] Univ Sao Paulo, Ribeirao Preto, SP, Brazil

[8] Leiden Univ, Kamerlingh Onnes Lab, NL-2300 RA Leiden, Netherlands

来源：

CLASSICAL AND QUANTUM GRAVITY | 2004年 / 21卷 / 05期

关键词：

D O I：

10.1088/0264-9381/21/5/011

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We are building the Schenberg gravitational wave detector at the Physics Institute of the University of Sao Paulo as programmed by the Brazilian Graviton Project. The antenna and its vibration isolation system are already built, and we have made a first cryogenic run for an overall test, in which we measured the antenna mechanical Q (figure of merit). We also have built a 10.21 GHz oscillator with phase noise performance better than -120 dBc at 3.2 kHz to pump an initial CuA16% two-mode transducer. We plan to prepare this spherical antenna for a first operational run at 4.2 K with a single transducer and an initial target sensitivity of h similar to 2 x 10(-21) Hz(-1/2) in a 50 Hz bandwidth around 3.2 kHz soon. Here we present details of this plan and some recent results of the development of this project.

引用

页码：S457 / S463

页数：7

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