Novel methods to measure the gravitational constant in space

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

Autorschaft

  • LISA Pathfinder Collaboration

Organisationseinheiten

Externe Organisationen

  • Max-Planck-Institut für Gravitationsphysik (Albert-Einstein-Institut)
  • Université Paris VII
Forschungs-netzwerk anzeigen

Details

OriginalspracheEnglisch
Aufsatznummer062003
Seitenumfang13
FachzeitschriftPhysical Review D
Jahrgang100
Ausgabenummer6
PublikationsstatusVeröffentlicht - 20 Sept. 2019

Abstract

We present two novel methods, tested by LISA Pathfinder, to measure the gravitational constant G for the first time in space. Experiment 1 uses electrostatic suspension forces to measure a change in acceleration of a test mass due to a displaced source mass. Experiment 2 measures a change in relative acceleration between two test masses due to a slowly varying fuel tank mass. Experiment 1 gave a value of G=6.71±0.42(×10-11) m3 s-2 kg-1 and experiment 2 gave 6.15±0.35(×10-11) m3 s-2 kg-1, both consistent with each other to 1σ and with the CODATA 2014 recommended value of 6.67408±0.00031(×10-11) m3 s-2 kg-1 to 2σ. We outline several ideas to improve the results for a future experiment, and we suggest that a measurement in space would isolate many terrestrial issues that could be responsible for the inconsistencies between recent measurements.

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Novel methods to measure the gravitational constant in space. / LISA Pathfinder Collaboration.
in: Physical Review D, Jahrgang 100, Nr. 6, 062003, 20.09.2019.

Publikation: Beitrag in Fachzeitschrift › Artikel › Forschung › Peer-Review

LISA Pathfinder Collaboration. Novel methods to measure the gravitational constant in space. Physical Review D. 2019 Sep 20;100(6):062003. doi: 10.1103/PhysRevD.100.062003
LISA Pathfinder Collaboration. / Novel methods to measure the gravitational constant in space. in: Physical Review D. 2019 ; Jahrgang 100, Nr. 6.
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@article{e70ad3178cb049f3971df062e39719b6,
title = "Novel methods to measure the gravitational constant in space",
abstract = "We present two novel methods, tested by LISA Pathfinder, to measure the gravitational constant G for the first time in space. Experiment 1 uses electrostatic suspension forces to measure a change in acceleration of a test mass due to a displaced source mass. Experiment 2 measures a change in relative acceleration between two test masses due to a slowly varying fuel tank mass. Experiment 1 gave a value of G=6.71±0.42(×10-11) m3 s-2 kg-1 and experiment 2 gave 6.15±0.35(×10-11) m3 s-2 kg-1, both consistent with each other to 1σ and with the CODATA 2014 recommended value of 6.67408±0.00031(×10-11) m3 s-2 kg-1 to 2σ. We outline several ideas to improve the results for a future experiment, and we suggest that a measurement in space would isolate many terrestrial issues that could be responsible for the inconsistencies between recent measurements.",
author = "{LISA Pathfinder Collaboration} and M. Armano and H. Audley and J. Baird and P. Binetruy and M. Born and D. Bortoluzzi and E. Castelli and A. Cavalleri and A. Cesarini and A. M. Cruise and Karsten Danzmann and {De Deus Silva}, M. and I. Diepholz and G. Dixon and R. Dolesi and L. Ferraioli and V. Ferroni and E. D. Fitzsimons and M. Freschi and L. Gesa and F. Gibert and D. Giardini and R. Giusteri and C. Grimani and J. Grzymisch and I. Harrison and Marie-Sophie Hartig and Gerhard Heinzel and Martin Hewitson and D. Hollington and D. Hoyland and M. Hueller and H. Inchausp{\'e} and O. Jennrich and P. Jetzer and Nikolaos Karnesis and B. Kaune and N. Korsakova and C. J. Killow and J. A. Lobo and L. Liu and J. P. L{\'o}pez-zaragoza and R. Maarschalkerweerd and D. Mance and N. Meshksar and V. Mart{\'i}n and L. Martin-polo and J. Martino and F. Martin-porqueras and P. W. Mcnamara",
note = "Funding information: This work has been made possible by the LISA LPF mission, which is part of the space-science program of the European Space Agency. The French contribution has been supported by the CNES (Accord Specifique de projet 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 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 Istituto Nazionale di Fisica Nucleare. The Spanish contribution has been supported by Contracts No. AYA2010-15709 (MICINN), No. ESP2013-47637-P, No. ESP2015-67234-P, No. ESP2017-90084-P (MINECO), and No. 2017-SGR-1469 (AGAUR). M. N. acknowledges support from Fundaci{\'o}n General CSIC (Programa ComFuturo). F. R. acknowledges support from a Formaci{\'o}n de Personal Investigador (MINECO) contract. The Swiss contribution acknowledges the support of the Swiss Space Office (SSO) via the PRODEX Programme of ESA. L. Ferraioli is supported by 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).",
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language = "English",
volume = "100",
journal = "Physical Review D",
issn = "2470-0010",
publisher = "American Institute of Physics",
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Download

TY - JOUR

T1 - Novel methods to measure the gravitational constant in space

AU - LISA Pathfinder Collaboration

AU - Armano, M.

AU - Audley, H.

AU - Baird, J.

AU - Binetruy, P.

AU - Born, M.

AU - Bortoluzzi, D.

AU - Castelli, E.

AU - Cavalleri, A.

AU - Cesarini, A.

AU - Cruise, A. M.

AU - Danzmann, Karsten

AU - De Deus Silva, M.

AU - Diepholz, I.

AU - Dixon, G.

AU - Dolesi, R.

AU - Ferraioli, L.

AU - Ferroni, V.

AU - Fitzsimons, E. D.

AU - Freschi, M.

AU - Gesa, L.

AU - Gibert, F.

AU - Giardini, D.

AU - Giusteri, R.

AU - Grimani, C.

AU - Grzymisch, J.

AU - Harrison, I.

AU - Hartig, Marie-Sophie

AU - Heinzel, Gerhard

AU - Hewitson, Martin

AU - Hollington, D.

AU - Hoyland, D.

AU - Hueller, M.

AU - Inchauspé, H.

AU - Jennrich, O.

AU - Jetzer, P.

AU - Karnesis, Nikolaos

AU - Kaune, B.

AU - Korsakova, N.

AU - Killow, C. J.

AU - Lobo, J. A.

AU - Liu, L.

AU - López-zaragoza, J. P.

AU - Maarschalkerweerd, R.

AU - Mance, D.

AU - Meshksar, N.

AU - Martín, V.

AU - Martin-polo, L.

AU - Martino, J.

AU - Martin-porqueras, F.

AU - Mcnamara, P. W.

N1 - Funding information: This work has been made possible by the LISA LPF mission, which is part of the space-science program of the European Space Agency. The French contribution has been supported by the CNES (Accord Specifique de projet 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 (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 Istituto Nazionale di Fisica Nucleare. The Spanish contribution has been supported by Contracts No. AYA2010-15709 (MICINN), No. ESP2013-47637-P, No. ESP2015-67234-P, No. ESP2017-90084-P (MINECO), and No. 2017-SGR-1469 (AGAUR). M. N. acknowledges support from Fundación General CSIC (Programa ComFuturo). F. R. acknowledges support from a Formación de Personal Investigador (MINECO) contract. The Swiss contribution acknowledges the support of the Swiss Space Office (SSO) via the PRODEX Programme of ESA. L. Ferraioli is supported by 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).

PY - 2019/9/20

Y1 - 2019/9/20

N2 - We present two novel methods, tested by LISA Pathfinder, to measure the gravitational constant G for the first time in space. Experiment 1 uses electrostatic suspension forces to measure a change in acceleration of a test mass due to a displaced source mass. Experiment 2 measures a change in relative acceleration between two test masses due to a slowly varying fuel tank mass. Experiment 1 gave a value of G=6.71±0.42(×10-11) m3 s-2 kg-1 and experiment 2 gave 6.15±0.35(×10-11) m3 s-2 kg-1, both consistent with each other to 1σ and with the CODATA 2014 recommended value of 6.67408±0.00031(×10-11) m3 s-2 kg-1 to 2σ. We outline several ideas to improve the results for a future experiment, and we suggest that a measurement in space would isolate many terrestrial issues that could be responsible for the inconsistencies between recent measurements.

AB - We present two novel methods, tested by LISA Pathfinder, to measure the gravitational constant G for the first time in space. Experiment 1 uses electrostatic suspension forces to measure a change in acceleration of a test mass due to a displaced source mass. Experiment 2 measures a change in relative acceleration between two test masses due to a slowly varying fuel tank mass. Experiment 1 gave a value of G=6.71±0.42(×10-11) m3 s-2 kg-1 and experiment 2 gave 6.15±0.35(×10-11) m3 s-2 kg-1, both consistent with each other to 1σ and with the CODATA 2014 recommended value of 6.67408±0.00031(×10-11) m3 s-2 kg-1 to 2σ. We outline several ideas to improve the results for a future experiment, and we suggest that a measurement in space would isolate many terrestrial issues that could be responsible for the inconsistencies between recent measurements.

UR - http://www.scopus.com/inward/record.url?scp=85073032188&partnerID=8YFLogxK

U2 - 10.1103/PhysRevD.100.062003

DO - 10.1103/PhysRevD.100.062003

M3 - Article

VL - 100

JO - Physical Review D

JF - Physical Review D

SN - 2470-0010

IS - 6

M1 - 062003

ER -