%0 Journal Article
%@nexthigherunit 8JMKD3MGPCW/3ETR8EH
%3 bortoli_cabling.pdf
%4 sid.inpe.br/mtc-m21c/2019/02.07.11.10
%8 Feb.
%9 journal article
%@issn 0103-9733
%A Bortoli, Fábio da Silva,
%A Frajuca, Carlos,
%A Magalhães, Nadja S.,
%A Aguiar, Odylio Denys de,
%A Souza, Sérgio Turano,
%@secondarytype PRE PN
%B Brazilian Journal of Physics
%D 2019
%K Gravitational wave · Gravitational wave detector · Schenberg detector.
%@archivingpolicy denypublisher denyfinaldraft12
%N 1
%P 133-139
%@secondarymark B1_INTERDISCIPLINAR B1_GEOCIÊNCIAS B1_ENGENHARIAS_IV B1_ENGENHARIAS_III B1_CIÊNCIAS_AGRÁRIAS_I B1_BIODIVERSIDADE B1_ASTRONOMIA_/_FÍSICA B2_ODONTOLOGIA B2_MATERIAIS B2_FARMÁCIA B2_ENGENHARIAS_II B2_ECONOMIA B2_CIÊNCIA_DA_COMPUTAÇÃO B3_MEDICINA_II B3_MATEMÁTICA_/_PROBABILIDADE_E_ESTATÍSTICA B3_CIÊNCIAS_AMBIENTAIS B3_BIOTECNOLOGIA B4_QUÍMICA B4_ENSINO B4_CIÊNCIAS_BIOLÓGICAS_III B4_CIÊNCIAS_BIOLÓGICAS_II B4_CIÊNCIAS_BIOLÓGICAS_I
%T On the cabling seismic isolation for the microwave transducers of the Schenberg detector
%V 49
%X Schenberg is a resonant-mass gravitational wave detector developed by the Brazilian Graviton group that is sensitive to a central frequency near 3200 Hz with bandwidth around 200 Hz. Its spherical antenna weighs 1150 kg and it is connected to the outer environment by a suspension system designed to attenuate local noise, both seismic and non-seismic. During the passage of a gravitational wave the antenna is expected to vibrate and such motion will be monitored by six parametric transducers whose electronic signal will be digitally analyzed. For the microwaves to reach the transducers, coaxial cables are needed, which are also connected to the outer environment and may be a source of seismic noise. Using the finite elements method, this work shows that the proper addition of masses along these cables reduces such seismic noise to levels below the detectors thermal noise when it operates at 50 mK, thus avoiding the decrease of the expected sensitivity of the detector.
%@area CEA
%@electronicmailaddress bortoli.fabio@gmail.com
%@electronicmailaddress
%@electronicmailaddress
%@electronicmailaddress odylio.aguiar@inpe.br
%@documentstage not transferred
%@group
%@group
%@group
%@group DIDAS-CGCEA-INPE-MCTIC-GOV-BR
%@dissemination WEBSCI; PORTALCAPES; SCIELO; SCOPUS.
%@orcid 0000-0001-7082-5209
%@usergroup simone
%@resumeid
%@resumeid
%@resumeid
%@resumeid 8JMKD3MGP5W/3C9JJ2A
%@affiliation Instituto Federal de São Paulo (IFSP)
%@affiliation Instituto Federal de São Paulo (IFSP)
%@affiliation Universidade Federal de São Paulo (UNIFESP)
%@affiliation Instituto Nacional de Pesquisas Espaciais (INPE)
%@affiliation Universidade Cruzeiro do Sul
%@versiontype publisher
%@holdercode {isadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S}
%@doi 10.1007/s13538-018-0615-3
%2 sid.inpe.br/mtc-m21c/2019/02.07.11.10.59