@InProceedings{AguiarABBBCAEMPFWOOAGCGSMSCLAPFMBFSOMRAFWT:2007:StRe,
author = "Aguiar, Odylio Denys de and Alves, M{\'a}rcio Eduardo da Silva
and Barroso, Joaquim Jos{\'e} and Bessada, Denis Fernandes Alves
and Brand{\~a}o, Cl{\'a}udio Soriano de Souza and Castro, Pedro
Jos{\'e} de and Araujo, Jos{\'e} Carlos Neves de and
Evangelista, E. F. D. and Miranda, Oswaldo Duarte and Pereira, E.
S. and Furtado, S{\'e}rgio Ricardo and Weber, J. and Oliveira
J{\'u}nior, N. F. and Opher, R. and Abdalla, E. and Golveia dal
Pino, E. M. and Costa, C. A. and Gratens, X. and Souza, S. T. and
Marinho Juniro, R. M. and Stellati, C. and Costa, K. M. F. and
Lenzi, C. H. and Ara{\'u}jo, H. A. B. and Pimentel, G. L. and
Frajuca, C. and Magalh{\~a}es, N. S. and Bortoli, F. S. and
Fauth, A. C. and Saa, A. and Oliveira, S. R. and Marranghello, G.
F. and Rey Neto, E. C. and Andrade, L. A. and Frossati, G. and
Waard, A. de and Tobar, M. E.",
affiliation = "{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de
Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas
Espaciais (INPE)} and {Instituto Nacional de Pesquisas Espaciais
(INPE)} and {Instituto Nacional de Pesquisas Espaciais (INPE)} and
{Instituto Nacional de Pesquisas Espaciais (INPE)} and {Instituto
Nacional de Pesquisas Espaciais (INPE)} and {Instituto Nacional de
Pesquisas Espaciais (INPE)} and {Instituto Nacional de Pesquisas
Espaciais (INPE)} and {Instituto Nacional de Pesquisas Espaciais
(INPE)} and {Instituto Nacional de Pesquisas Espaciais (INPE)} and
{Instituto de F{\'{\i}}sica. Universidade de S{\~a}o Paulo
(USP)} and {Instituto de F{\'{\i}}sica. Universidade de S{\~a}o
Paulo (USP)} and {Instituto de F{\'{\i}}sica. Universidade de
S{\~a}o Paulo (USP)} and {Instituto de F{\'{\i}}sica.
Universidade de S{\~a}o Paulo (USP)} and {Instituto de
F{\'{\i}}sica. Universidade de S{\~a}o Paulo (USP)} and
{Instituto de F{\'{\i}}sica. Universidade de S{\~a}o Paulo
(USP)} and {Instituto de F{\'{\i}}sica. Universidade de S{\~a}o
Paulo (USP)} and {Instituto Tecnol{\'o}gico de Aeron{\'a}utica
(ITA)} and {Instituto Tecnol{\'o}gico de Aeron{\'a}utica (ITA)}
and {Instituto Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and
{Instituto Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and
{Instituto Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and
{Instituto Tecnol{\'o}gico de Aeron{\'a}utica (ITA)} and {Centro
Federal de Ensino Tecnol{\'o}gico de S{\~a}o Paulo (CEFET)} and
{Centro Federal de Ensino Tecnol{\'o}gico de S{\~a}o Paulo
(CEFET)} and {Centro Federal de Ensino Tecnol{\'o}gico de
S{\~a}o Paulo (CEFET)} and {Instituto F{\'{\i}}sica.
Universidade de Campinas (UNICAMP)} and {Instituto
F{\'{\i}}sica. Universidade de Campinas (UNICAMP)} and
{Instituto F{\'{\i}}sica. Universidade de Campinas (UNICAMP)}
and {Universidade Federal de Pelotas} and FATEC and {Instituto de
Aeron{\'a}utica e Espa{\c{c}}o} and {Leiden University} and
{Leiden University} and {University of Western}",
title = "The Mario Schenberg Gravitational Wave Detector: status report",
booktitle = "Anais...",
year = "2007",
organization = "Encontro Nacional de F{\'{\i}}sica das Part{\'{\i}}culas e
Campos, 28.",
abstract = "The Mario Schenberg gravitational wave detector has started its
commissioning phase at the Physics Institute of the University of
S~ao Paulo, in S~ao Paulo city, in September 2006, under the full
support of FAPESP. We have been testing the three initial
parametric transducer lines in order to prepare the detector for
the next cryogenic run, when it will be calibrated. We also are
developing sapphire oscillators that will replace the ones we have
been using with better performance in phase noise and frequency
stability. We also plan to install eight transducers in a near
future, six of which of the two-mode type and arranged according
to truncated icosahedron con¯guration. All these six transducers
will have silicon membranes and superconducting cavities. The
other two transducers, which will be placed close to the sphere
equator, will be mechanically non-resonant. In doing so, we want
to verify if the Schenberg antenna can become a wideband
gravitational wave detector by the use of an ultra-high
sensitivity non-resonant transducer constructed by the recent
achievements of nanotechnology. Since the Stanford pioneering work
of Paik in the 70s, cryogenic resonant-mass gravitational wave
detectors use resonant transducers, which have the e®ect of
increasing both the detector sensitivity and bandwidth.
Nanotechnology is opening new possibilities towards the
construction of ultra-high sensitivity klystron cavity
transducers. It might be feasible to construct TeraHz/micron
parametric transducers in a near future. They would be so
sensitive that there would be no need for multimode resonant
transducers. The resonant-antenna would act as a broadband
detector for gravitational waves. A spherical antenna, such as
Schenberg or Mini-Grail, could add to this quality the advantage
of wave position and polarity determination.",
conference-location = "{\'A}guas de Lind{\'o}ia, SP",
conference-year = "24-28 set.",
label = "self-archiving-INPE-MCTIC-GOV-BR",
urlaccessdate = "27 abr. 2024"
}