Precision measurements of the magnetic parameters of LISA Pathfinder test masses

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dc.contributor.authorArmano, M.
dc.contributor.authorAudley, H.
dc.contributor.authorBaird, J.
dc.contributor.authorBinetruy, P.
dc.contributor.authorBorn, M.
dc.contributor.authorBortoluzzi, D.
dc.contributor.authorCastelli, Eleonora
dc.contributor.authorCavalleri, A.
dc.contributor.authorCesarini, A.
dc.contributor.authorCruise, A. M.
dc.contributor.authorDanzmann, K.
dc.contributor.authorde Deus Silva, M.
dc.contributor.authorDiepholz, I.
dc.contributor.authorDixon, G.
dc.contributor.authorDolesi, R.
dc.contributor.authorFerraioli, L.
dc.contributor.authorFerroni, V.
dc.contributor.authorFitzsimons, E. D.
dc.contributor.authorFreschi, M.
dc.contributor.authorGesa, L.
dc.contributor.authorGiardini, D.
dc.contributor.authorGibert, F.
dc.contributor.authorGiusteri, R.
dc.contributor.authorGrimani, C.
dc.contributor.authorGrzymisch, J.
dc.contributor.authorHarrison, I.
dc.contributor.authorHartig, M.-S.
dc.contributor.authorHeinzel, G.
dc.contributor.authorHewitson, M.
dc.contributor.authorHollington, D.
dc.contributor.authorHoyland, D.
dc.contributor.authorHueller, M.
dc.contributor.authorInchauspé, H.
dc.contributor.authorJennrich, O.
dc.contributor.authorJetzer, P.
dc.contributor.authorKarnesis, N.
dc.contributor.authorKaune, B.
dc.contributor.authorKorsakova, N.
dc.contributor.authorKillow, C. J.
dc.contributor.authorLiu, L.
dc.contributor.authorLobo, J. A.
dc.contributor.authorLópez-Zaragoza, J. P.
dc.contributor.authorMaarschalkerweerd, R.
dc.contributor.authorMance, D.
dc.contributor.authorMartín, V.
dc.contributor.authorMartino, J.
dc.contributor.authorMartin-Polo, L.
dc.contributor.authorMartin-Porqueras, F.
dc.contributor.authorMeshksar, N.
dc.contributor.authorMcNamara, P. W.
dc.contributor.authorMendes, J.
dc.contributor.authorMendes, L.
dc.contributor.authorNofrarias, M.
dc.contributor.authorPaczkowski, S.
dc.contributor.authorPerreur-Lloyd, M.
dc.contributor.authorPetiteau, A.
dc.contributor.authorPivato, P.
dc.contributor.authorPlagnol, E.
dc.contributor.authorRamos-Castro, J.
dc.contributor.authorReiche, J.
dc.contributor.authorRobertson, D. I.
dc.contributor.authorRivas, F.
dc.contributor.authorRussano, G.
dc.contributor.authorSala, L.
dc.contributor.authorSerrano, D.
dc.contributor.authorSlutsky, J.
dc.contributor.authorSopuerta, C. F.
dc.contributor.authorSumner, T.
dc.contributor.authorTexier, D.
dc.contributor.authorThorpe, J. I.
dc.contributor.authorVetrugno, D.
dc.contributor.authorVitale, S.
dc.contributor.authorWanner, G.
dc.contributor.authorWard, H.
dc.contributor.authorWass, P. J.
dc.contributor.authorWeber, W. J.
dc.contributor.authorWissel, L.
dc.contributor.authorWittchen, A.
dc.contributor.authorZweifel, P.
dc.date.accessioned2025-04-23T20:30:36Z
dc.date.available2025-04-23T20:30:36Z
dc.date.issued2025-02-18
dc.description.abstractA precise characterization of the magnetic properties of LISA Pathfinder free falling test-masses is of special interest for future gravitational wave observatory in space. Magnetic forces have an important impact on the instrument sensitivity in the low frequency regime below the millihertz. In this paper we report on the magnetic injection experiments performed throughout LISA Pathfinder operations. We show how these experiments allowed a high precision estimate of the instrument magnetic parameters. The remanent magnetic moment was found to have a modulus of (0.245±0.081)  nAm², the x-component of the background magnetic field within the test masses position was measured to be (414±74)  nT and its gradient had a value of (−7.4±2.1)  μ⁢T/m. Finally, we also measured the test mass magnetic susceptibility at 5 mHz to be (−3.3723±0.0069)×10⁻⁵. All results are in agreement with on-ground estimates.
dc.description.sponsorshipThis work has been made possible by the LISA Pathfinder mission, which is part of the space-science program of the European Space Agency. The French contribution has been supported by CNES (Accord Specific de projet No. CNES 1316634/CNRS 103747), the CNRS, the Observatoire de Paris and the University Paris-Diderot. E. P. and H. I. would also like to acknowledge the financial support of the UnivEarthS Labex program at Sorbonne Paris Cité (No. ANR-10-LABX-0023 and No. ANR-11- IDEX-0005-02). The Albert-Einstein-Institut acknowledges the support of the German Space Agency, DLR. The work is supported by the Federal Ministry for Economic Affairs and Energy based on a resolution of the German Bundestag (No. FKZ 50OQ0501 and No. FKZ 50OQ1601). The Italian contribution has been supported by Agenzia Spaziale Italiana and Instituto Nazionale di Fisica Nucleare. Spanish contribution has been supported by Contracts No. AYA2010-15709 (Ministerio de Ciencia e Innovación, MICINN), No. ESP2013-47637-P, No. ESP2015-67234-P, No. ESP2017-90084-P (Ministerio de Asuntos Económicos y Transformación Digital, MINECO), and No. PID2019–106515GB-I00 (MICINN), and No. PID 2022-137674NB- I00 and by the programme Unidad de Excelencia María de Maeztu CEX2020-001058-M (Spanish Ministry of Science and Innovation). Support from AGAUR (Generalitat de Catalunya) Contract No. 2017-SGR-1469 and No. 2021-SGR-01529 is also acknowledged. The Swiss contribution acknowledges the support of the Swiss Space Office (SSO) via the PRODEX Programme of ESA. L. F. acknowledges the support of the Swiss National Science Foundation. The UK groups wish to acknowledge support from the United Kingdom Space Agency (UKSA), the University of Glasgow, the University of Birmingham, Imperial College, and the Scottish Universities Physics Alliance (SUPA). J. I. T. and J. S. acknowledge the support of the U.S. National Aeronautics and Space Administration (NASA).
dc.description.urihttps://journals.aps.org/prd/abstract/10.1103/PhysRevD.111.042007
dc.format.extent13 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2htvt-zzpv
dc.identifier.citationArmano, M., H. Audley, J. Baird, P. Binetruy, M. Born, D. Bortoluzzi, E. Castelli, et al. "Precision Measurements of the Magnetic Parameters of LISA Pathfinder Test Masses". Physical Review D 111, no. 4 (February 18, 2025): 042007. https://doi.org/10.1103/PhysRevD.111.042007.
dc.identifier.urihttps://doi.org/10.1103/PhysRevD.111.042007
dc.identifier.urihttp://hdl.handle.net/11603/37970
dc.language.isoen_US
dc.publisherAPS
dc.relation.isAvailableAtThe University of Maryland, Baltimore County (UMBC)
dc.relation.ispartofUMBC Center for Space Sciences and Technology (CSST) / Center for Research and Exploration in Space Sciences & Technology II (CRSST II)
dc.relation.ispartofUMBC Faculty Collection
dc.rightsThis work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
dc.rightsPublic Domain
dc.rights.urihttps://creativecommons.org/publicdomain/mark/1.0/
dc.titlePrecision measurements of the magnetic parameters of LISA Pathfinder test masses
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-4429-0682

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