The Schenberg spherical gravitational wave detector: the first commissioning runs
- Aguiar, Odylio Denys de
- Andrade, Luiz Alberto de
- Barroso de Castro, Joaquim José
- Castro, Pedro José de
- Costa, César Augusto
- Souza, Sérgio Turano de
- WAARD, A. de
- FAUTH, A. C.
- Frajuca, Carlos
- Frossati, Giorgio
- Furtado, Sérgio Ricardo
- Gratens, Xavier Pierre Marie
- MAFFEI, T. M. A.
- Magalhaes, Nadja Simao
- Marinho Junior, Rubens de Melo
- Oliveira Junior, Nei Fernandes de
- Pimentel, Guilherme Leite
- REMY, M. A.
- TOBAR, M. E.
- Abdalla, Elcio
- Alves, Márcio Eduardo da Silva
- Bessada, Dennis Fernandes Alves
- Bortoli, Fabio da Silva
- Brandão, Claudio Soriano de Souza
- Costa, Kátia Maria Florêncio da
- ARAÚJO, H. A. B. de
- Araujo, Jose Carlos Neves de
- Pino, Elisabete Maria de Gouveia Dal
- Paula, Wayne Leonardo Silva de
- Rey Neto, Edgard Casal de
- EVANGELISTA, E. F. D.
- Lenzi, César Henrique
- Marranghello, Guilherme Frederico
- Miranda, Oswaldo Duarte
- OLIVEIRA, S. R.
- Opher, Reuven
- Pereira, Eduardo dos Santos
- Stellati, Claudemir
- WEBER, J.
DOIAbstract
Here we present a status report of the first spherical antenna project equipped with a set of parametric transducers for gravitational detection. The Mario Schenberg, as it is called, started its commissioning phase at the Physics Institute of the University of Sao Paulo, in September 2006, under the full support of FAPESP. We have been testing the three preliminary parametric transducer systems in order to prepare the detector for the next cryogenic run, when it will be calibrated. We are also developing sapphire oscillators that will replace the current ones thereby providing better performance. We also plan to install eight transducers in the near future, six of which are of the two-mode type and arranged according to the truncated icosa...
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