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  LISA Pathfinder Performance Confirmed in an Open-Loop Configuration: Results from the Free-Fall Actuation Mode

Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., Bortoluzzi, D., et al. (2019). LISA Pathfinder Performance Confirmed in an Open-Loop Configuration: Results from the Free-Fall Actuation Mode. Physical Review Letters, 123(11): 111101. doi:10.1103/PhysRevLett.123.111101.

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Armano, M., Author
Audley, H.1, Author           
Baird, J., Author
Binetruy, P., Author
Born, M.1, Author           
Bortoluzzi, D., Author
Castelli, E., Author
Cavalleri, A., Author
Cesarini, A., Author
Cruise, A. M., Author
Danzmann, K.1, Author           
de Deus Silva, M. , Author
Diepholz, I.1, Author           
Dixon, G., Author
Dolesi, R., Author
Ferraioli, L., Author
Ferroni, V., Author
Fitzsimons, E. D., Author
Freschi, M., Author
Gesa, L., Author
Gibert, F., AuthorGiardini, D., AuthorGiusteri, R.1, Author           Grimani, C., AuthorGrzymisch, J., AuthorHarrison, I., AuthorHartig, M.-S.1, Author           Heinzel, G.1, Author           Hewitson, M.2, Author           Hollington, D., AuthorHoyland, D., AuthorHueller, M., AuthorInchauspé, H., AuthorJennrich, O., AuthorJetzer, P., AuthorKarnesis, N., AuthorKaune, B.1, Author           Korsakova, N., AuthorKillow, C. J., AuthorLobo, J. A., AuthorLiu, L., AuthorLlopez-Zaragoza, J. P., AuthorMaarschalkerweerd, R., AuthorMance, D., AuthorMeshksar, N., AuthorMartìn, V., AuthorMartin-Polo, L., AuthorMartino, J., AuthorMartin-Porqueras, F., AuthorMateos, I., AuthorMcNamara, P. W., AuthorMendes, J., AuthorMendes, L., AuthorNofrarias, M., AuthorPaczkowski, S.1, Author           Perreur-Lloyd, M., AuthorPetiteau, A., AuthorPivato, P., AuthorPlagnol, E., AuthorRamos-Castro, J., AuthorReiche, J.1, Author           Robertson, D. I., AuthorRivas, F., AuthorRussano, G., AuthorSlutsky, J., AuthorSopuerta, C. F., AuthorSumner, T., AuthorTexier, D., AuthorThorpe, J. I., AuthorVetrugno, D., AuthorVitale, S., AuthorWanner, G.1, Author           Ward, H., AuthorWass, P. J., AuthorWeber, W. J., AuthorWissel, L.1, Author           Wittchen, A.1, Author           Zweifel, P., Author more..
Affiliations:
1Laser Interferometry & Gravitational Wave Astronomy, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24010              
2Observational Relativity and Cosmology, AEI-Hannover, MPI for Gravitational Physics, Max Planck Society, ou_24011              

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Free keywords: Physics, Space Physics, physics.space-ph, Astrophysics, Instrumentation and Methods for Astrophysics, astro-ph.IM
 Abstract: We report on the results of the LISA Pathfinder (LPF) free-fall mode
experiment, in which the control force needed to compensate the quasistatic
differential force acting on two test masses is applied intermittently as a
series of "impulse" forces lasting a few seconds and separated by roughly 350 s
periods of true free fall. This represents an alternative to the normal LPF
mode of operation in which this balancing force is applied continuously, with
the advantage that the acceleration noise during free fall is measured in the
absence of the actuation force, thus eliminating associated noise and force
calibration errors. The differential acceleration noise measurement presented
here with the free-fall mode agrees with noise measured with the continuous
actuation scheme, representing an important and independent confirmation of the
LPF result. An additional measurement with larger actuation forces also shows
that the technique can be used to eliminate actuation noise when this is a
dominant factor.

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 Dates: 2019-08-302019
 Publication Status: Published in print
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Title: Physical Review Letters
  Abbreviation : Phys. Rev. Lett.
Source Genre: Journal
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Publ. Info: Woodbury, N.Y. : American Physical Society
Pages: - Volume / Issue: 123 (11) Sequence Number: 111101 Start / End Page: - Identifier: ISSN: 0031-9007
CoNE: https://pure.mpg.de/cone/journals/resource/954925433406_1