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  Precision Charge Control for Isolated Free-Falling Test Masses: LISA Pathfinder Results

LISA Pathfinder Collaboration, Armano, M., Audley, H., Baird, J., Binetruy, P., Born, M., et al. (2018). Precision Charge Control for Isolated Free-Falling Test Masses: LISA Pathfinder Results. Physical Review D, 98: 062001. doi:10.1103/PhysRevD.98.062001.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0001-DC0E-9 Version Permalink: http://hdl.handle.net/21.11116/0000-0003-47A9-F
Genre: Journal Article

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LISA Pathfinder Collaboration, Author              
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              
Silva, M. de Deus, 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., AuthorGiardini, D., AuthorGibert, F., AuthorGiusteri, R., AuthorGrimani, C., AuthorGrzymisch, J., AuthorHarrison, I., AuthorHeinzel, G., AuthorHewitson, 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., AuthorLiu, L., AuthorLloro, I., AuthorLobo, J. A., AuthorLópez-Zaragoza, J. P., AuthorMaarschalkerweerd, R., AuthorMailland, F., AuthorMance, D., AuthorMartín, V., AuthorMartin-Polo, L., AuthorMartin-Porqueras, F., AuthorMartino, J., AuthorMateos, I., AuthorMcNamara, P. W., AuthorMendes, J., AuthorMendes, L., AuthorMeshskar, N., AuthorNofrarias, M., AuthorPaczkowski, S.1, Author              Perreur-Lloyd, M., AuthorPetiteau, A., AuthorPfeil, M., AuthorPivato, P., AuthorPlagnol, E., AuthorRamos-Castro, J., AuthorReiche, J.1, Author              Robertson, D. I., AuthorRivas, F., AuthorRussano, G., AuthorSantoruvo, G., AuthorSarra, P., AuthorShaul, D., AuthorSlutsky, J., AuthorSopuerta, C. F., AuthorSumner, T., AuthorTexier, D., AuthorThorpe, J. I., AuthorTrenkel, C., AuthorVetrugno, D., AuthorVitale, S., AuthorWanner, G.1, Author              Ward, H., AuthorWaschke, S., AuthorWass, P. J., AuthorWeber, W. J., AuthorWissel, L., AuthorWittchen, A.1, AuthorZweifel, 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, Instrumentation and Detectors, physics.ins-det
 Abstract: The LISA Pathfinder charge management device was responsible for neutralising the cosmic ray induced electric charge that inevitably accumulated on the free-falling test masses at the heart of the experiment. We present measurements made on ground and in-flight that quantify the performance of this contactless discharge system which was based on photo-emission under UV illumination. In addition, a two-part simulation is described that was developed alongside the hardware. Modelling of the absorbed UV light within the Pathfinder sensor was carried out with the GEANT4 software toolkit and a separate MATLAB charge transfer model calculated the net photocurrent between the test masses and surrounding housing in the presence of AC and DC electric fields. We confront the results of these models with observations and draw conclusions for the design of discharge systems for future experiments like LISA that will also employ free-falling test masses.

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 Dates: 2018-07-062018
 Publication Status: Published in print
 Pages: -
 Publishing info: -
 Table of Contents: -
 Rev. Method: -
 Identifiers: arXiv: 1807.02435
URI: http://arxiv.org/abs/1807.02435
DOI: 10.1103/PhysRevD.98.062001
 Degree: -

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Title: Physical Review D
  Other : Phys. Rev. D.
Source Genre: Journal
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Publ. Info: Lancaster, Pa. : American Physical Society
Pages: - Volume / Issue: 98 Sequence Number: 062001 Start / End Page: - Identifier: ISSN: 0556-2821
CoNE: https://pure.mpg.de/cone/journals/resource/111088197762258