Beyond the Required LISA Free-Fall Performance: New LISA Pathfinder Results down to 20 𝜇⁢Hz

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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.authorGibert, F.
dc.contributor.authorGiardini, D.
dc.contributor.authorGiusteri, R.
dc.contributor.authorGrimani, C.
dc.contributor.authorGrzymisch, J.
dc.contributor.authorHarrison, I.
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.authorLobo, J. A.
dc.contributor.authorLloro, I.
dc.contributor.authorLiu, L.
dc.contributor.authorLópez-Zaragoza, J. P.
dc.contributor.authorMaarschalkerweerd, R.
dc.contributor.authorMance, D.
dc.contributor.authorMeshksar, N.
dc.contributor.authorMartín, V.
dc.contributor.authorMartin-Polo, L.
dc.contributor.authorMartino, J.
dc.contributor.authorMartin-Porqueras, F.
dc.contributor.authorMateos, I.
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.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.accessioned2025-08-13T20:14:16Z
dc.date.issued2018-02-05
dc.description.abstractIn the months since the publication of the first results, the noise performance of LISA Pathfinder has improved because of reduced Brownian noise due to the continued decrease in pressure around the test masses, from a better correction of noninertial effects, and from a better calibration of the electrostatic force actuation. In addition, the availability of numerous long noise measurement runs, during which no perturbation is purposely applied to the test masses, has allowed the measurement of noise with good statistics down to 20 𝜇⁢Hz. The Letter presents the measured differential acceleration noise figure, which is at (1.74±0.05) fm s⁻²/√Hz above 2 mHz and (6±1)×10 fm ⁻²s/√Hz at 20 𝜇Hz, and discusses the physical sources for the measured noise. This performance provides an experimental benchmark demonstrating the ability to realize the low-frequency science potential of the LISA mission, recently selected by the European Space Agency.
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 the CNES (Accord Specific de projet CNES 1316634/CNRS 103747), the CNRS, the Observatoire de Paris, and the University Paris Diderot. E. P. and H. I. also acknowledge the financial support of the UnivEarthS Labex program at Sorbonne Paris Cit´e (ANR-10-LABX-0023 and 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 (FKZ 50OQ0501 and FKZ 50OQ1601). The Italian contribution has been supported by Agenzia Spaziale Italiana and Instituto Nazionale di Fisica Nucleare. The Spanish contribution has been supported by Contracts No. AYA2010-15709 (MICINN), No. ESP2013-47637-P, and No. ESP2015-67234-P (MINECO). M. N. acknowledges support from Fundacion General CSIC (Programa ComFuturo). F. R. acknowledges an FPI contract (MINECO). The Swiss contribution acknowledges the support of the Swiss Space Office (SSO) via the PRODEX Program of ESA. L. F. acknowledges the support of the Swiss National Science Foundation. The United Kingdom groups 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). N. Korsakova acknowledges the support of the Newton International Fellowship from the Royal Society.
dc.description.urihttps://journals.aps.org/prl/abstract/10.1103/PhysRevLett.120.061101
dc.format.extent7 pages
dc.genrejournal articles
dc.identifierdoi:10.13016/m2svvb-qatz
dc.identifier.citationArmano, M., H. Audley, J. Baird, J. Slutsky, J. I. Thorpe, E. Castelli, et al. “Beyond the Required LISA Free-Fall Performance: New LISA Pathfinder Results down to 20 𝜇⁢Hz” Physical Review Letters 120, no. 6 (2018): 061101. https://doi.org/10.1103/PhysRevLett.120.061101.
dc.identifier.urihttps://doi.org/10.1103/PhysRevLett.120.061101
dc.identifier.urihttp://hdl.handle.net/11603/39727
dc.language.isoen
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.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.titleBeyond the Required LISA Free-Fall Performance: New LISA Pathfinder Results down to 20 𝜇⁢Hz
dc.typeText
dcterms.creatorhttps://orcid.org/0000-0002-4429-0682

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