Charge-Induced Force Noise on Free-Falling Test Masses: Results from LISA Pathfinder

被引：94

作者：

Armano, M. ^{[1
]}

Audley, H. ^{[2
,3
]}

Auger, G. ^{[4
]}

Baird, J. T. ^{[5
]}

Binetruy, P. ^{[4
]}

Born, M. ^{[2
,3
]}

Bortoluzzi, D. ^{[6
,7
]}

Brandt, N. ^{[8
]}

Bursi, A. ^{[9
]}

Caleno, M. ^{[10
]}

Cavalleri, A. ^{[11
,12
]}

Cesarini, A. ^{[11
,12
]}

Cruise, M. ^{[13
]}

Danzmann, K. ^{[2
,3
]}

de Deus Silva, M. ^{[1
]}

Diepholz, I. ^{[2
,3
]}

Dolesi, R. ^{[11
,12
]}

Dunbar, N. ^{[14
]}

Ferraioli, L. ^{[15
]}

Ferroni, V. ^{[11
,12
]}

Fitzsimons, E. D. ^{[16
]}

Flatscher, R. ^{[8
]}

Freschi, M. ^{[1
]}

Gallegos, J. ^{[1
]}

Marirrodriga, C. Garcia ^{[10
]}

Gerndt, R. ^{[8
]}

Gesa, L. ^{[17
]}

Gibert, F. ^{[11
,12
]}

Giardini, D. ^{[15
]}

Giusteri, R. ^{[11
,12
]}

Grimani, C. ^{[18
,19
]}

Grzymisch, J. ^{[10
]}

Harrison, I. ^{[20
]}

Heinzel, G. ^{[2
,3
]}

Hewitson, M. ^{[2
,3
]}

Hollington, D. ^{[5
]}

Hueller, M. ^{[11
,12
]}

Huesler, J. ^{[10
]}

Inchauspe, H. ^{[4
]}

Jennrich, O. ^{[10
]}

Jetzer, P.

Johlander, B. ^{[10
]}

Karnesis, N. ^{[2
,3
]}

Kaune, B. ^{[2
,3
]}

Killow, C. J. ^{[21
]}

Korsakova, N. ^{[21
]}

Lloro, I. ^{[17
]}

Liu, L. ^{[11
,12
]}

Lopez-Zaragoza, J. P. ^{[17
]}

Maarschalkerweerd, R. ^{[20
]}

机构：

[1] European Space Agcy, European Space Astron Ctr, Madrid 28692, Spain

[2] Albert Einstein Inst, Max Planck Inst Gravitat Phys, D-30167 Hannover, Germany

[3] Leibniz Univ Hannover, D-30167 Hannover, Germany

[4] Univ Paris Diderot, APC UMR7164, 10 Rue Alice Domon & Leonie Duquet, F-75205 Paris 13, France

[5] Imperial Coll London, High Energy Phys Grp, Dept Phys, Blackett Lab, Prince Consort Rd, London SW7 2BW, England

[6] Univ Trento, Dept Ind Engn, Via Sommarive 9, I-38123 Trento, Italy

[7] Trento Inst Fundamental Phys & Application INFN, Trento, Italy

[8] Airbus Def & Space, Claude Dornier Str, D-88090 Immenstaad, Germany

[9] CGS SpA, Compagnia Generale Spazio, Via Gallarate, I-15020151 Milan, Italy

[10] European Space Agcy, European Space Technol Ctr, Keplerlaan 1, NL-2200 AG Noordwijk, Netherlands

[11] Univ Trento, Dipartimento Fis, I-38123 Povo, Trento, Italy

[12] Trento Inst Fundamental Phys & Application INFN, I-38123 Povo, Trento, Italy

[13] Univ Birmingham, Dept Phys & Astron, Edgbaston Pk Rd, Birmingham B15 2TT, W Midlands, England

[14] Airbus Def & Space, Gunnels Wood Rd, Stevenage SG1 2AS, Herts, England

[15] Swiss Fed Inst Technol, Inst Geophys, Sonneggstr 5, CH-8092 Zurich, Switzerland

[16] Royal Observ, United Kingdom Astron Technol Ctr, Edinburgh EH9 3HJ, Midlothian, Scotland

[17] Inst Ciencias Espai, CSIC IEEC, Campus UAB,Carrer Can Magrans S-N, Cerdanyola Del Valles 08193, Spain

[18] Univ Urbino Carlo Bo, DiSPeA, Via S. Chiara 27, I-61029 Urbino, Italy

[19] Ist Nazl Fis Nucl, Rome, Italy

[20] European Space Agcy, European Space Operat Ctr, D-64293 Darmstadt, Germany

[21] Univ Glasgow, SUPA, Inst Gravitat Res, Glasgow G12 8QQ, Lanark, Scotland

[22] Univ Politecn Cataluna, Dept Elect Engn, Barcelona 08034, Spain

[23] Inst Estudis Espacials Catalunya, C Gran Capita 2-4, Barcelona 08034, Spain

[24] NASA Goddard Space Flight Ctr, 8800 Greenbelt Rd, Greenbelt, MD 20771 USA

来源：

PHYSICAL REVIEW LETTERS | 2017年 / 118卷 / 17期

基金：

美国国家航空航天局; 瑞士国家科学基金会;

关键词：

MISSION; SYSTEM; FIELDS;

D O I：

10.1103/PhysRevLett.118.171101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report on electrostatic measurements made on board the European Space Agency mission LISA Pathfinder. Detailed measurements of the charge-induced electrostatic forces exerted on freefalling test masses (TMs) inside the capacitive gravitational reference sensor are the first made in a relevant environment for a space-based gravitational wave detector. Employing a combination of charge control and electric-field compensation, we show that the level of charge-induced acceleration noise on a single TM can be maintained at a level close to 1.0 fm s(-2) Hz(-1/2) across the 0.1-100 mHz frequency band that is crucial to an observatory such as the Laser Interferometer Space Antenna (LISA). Using dedicated measurements that detect these effects in the differential acceleration between the two test masses, we resolve the stochastic nature of the TM charge buildup due to interplanetary cosmic rays and the TM charge-to-force coupling through stray electric fields in the sensor. All our measurements are in good agreement with predictions based on a relatively simple electrostatic model of the LISA Pathfinder instrument.

引用

页数：7

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