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1. Identity statement
Reference TypeJournal Article
Sitemtc-m21d.sid.inpe.br
Holder Codeisadg {BR SPINPE} ibi 8JMKD3MGPCW/3DT298S
Identifier8JMKD3MGP3W34T/4A4SEG8
Repositorysid.inpe.br/mtc-m21d/2023/10.27.13.04   (restricted access)
Last Update2023:10.27.13.04.12 (UTC) simone
Metadata Repositorysid.inpe.br/mtc-m21d/2023/10.27.13.04.12
Metadata Last Update2024:01.02.17.16.51 (UTC) administrator
DOI10.1038/s41598-023-43808-1
ISSN2045-2322
Citation KeyLiccardoLeMaAgFrBoCo:2023:DeStSe
TitleThe design strain sensitivity of the schenberg spherical resonant antenna for gravitational waves
Year2023
MonthDec.
Access Date2024, May 20
Type of Workjournal article
Secondary TypePRE PI
Number of Files1
Size3020 KiB
2. Context
Author1 Liccardo, Vincenzo
2 Lenzi, C. H.
3 Marinho Junior, R. M.
4 Aguiar, Odylio Denys de
5 Frajuca, C.
6 Bortoli, F. da Silva
7 Costa, Cesar Augusto
Resume Identifier1
2
3
4 8JMKD3MGP5W/3C9JJ2A
Group1 DIAST-CGCE-INPE-MCTI-GOV-BR
2
3
4 DIAST-CGCE-INPE-MCTI-GOV-BR
5
6
7 DIAST-CGCE-INPE-MCTI-GOV-BR
Affiliation1 Instituto Nacional de Pesquisas Espaciais (INPE)
2 Instituto Tecnológico de Aeronáutica (ITA)
3 Instituto Tecnológico de Aeronáutica (ITA)
4 Instituto Nacional de Pesquisas Espaciais (INPE)
5
6
7 Instituto Nacional de Pesquisas Espaciais (INPE)
Author e-Mail Address1 vic2000@hotmail.it
2
3
4 odylio.aguiar@inpe.br
5
6
7 cesar.costa@inpe.br
JournalScientific Reports
Volume13
Number1
Pagese17706
Secondary MarkB2_BIODIVERSIDADE B3_ODONTOLOGIA B3_LETRAS_/_LINGUÍSTICA C_CIÊNCIAS_BIOLÓGICAS_III C_BIOTECNOLOGIA C_ASTRONOMIA_/_FÍSICA
History (UTC)2023-10-27 13:05:48 :: simone -> administrator :: 2023
2024-01-02 17:16:51 :: administrator -> simone :: 2023
3. Content and structure
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Content Stagecompleted
Transferable1
Content TypeExternal Contribution
Version Typepublisher
AbstractThe main purpose of this study is to review the Schenberg resonant antenna transfer function and to recalculate the antenna design strain sensitivity for gravitational waves. We consider the spherical antenna with six transducers in the semi dodecahedral configuration. When coupled to the antenna, the transducer-sphere system will work as a mass-spring system with three masses. The first one is the antenna effective mass for each quadrupole mode, the second one is the mass of the mechanical structure of the transducer first mechanical mode and the third one is the effective mass of the transducer membrane that makes one of the transducer microwave cavity walls. All the calculations are done for the degenerate (all the sphere quadrupole mode frequencies equal) and non-degenerate sphere cases. We have come to the conclusion that the ultimate sensitivity of an advanced version of Schenberg antenna (aSchenberg) is around the standard quantum limit (although the parametric transducers used could, in principle, surpass this limit). However, this sensitivity, in the frequency range where Schenberg operates, has already been achieved by the two aLIGOs in the O3 run, therefore, the only reasonable justification for remounting the Schenberg antenna and trying to place it in the sensitivity of the standard quantum limit would be to detect gravitational waves with another physical principle, different from the one used by laser interferometers. This other physical principle would be the absorption of the gravitational wave energy by a resonant mass like Schenberg.
AreaCEA
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4. Conditions of access and use
Languageen
Target Files41598-023-43808-1.pdf
User Groupsimone
Reader Groupadministrator
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Visibilityshown
Read Permissiondeny from all and allow from 150.163
Update Permissionnot transferred
5. Allied materials
Next Higher Units8JMKD3MGPCW/46KTFK8
Citing Item Listsid.inpe.br/mtc-m21/2012/07.13.14.57.26 2
DisseminationWEBSCI; PORTALCAPES; SCOPUS.
Host Collectionurlib.net/www/2021/06.04.03.40
6. Notes
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