Equivalence of Active and Passive Gravitational Mass Tested with Lunar Laser Ranging

Research output: Contribution to journalArticleResearchpeer review

Authors

  • Vishwa Vijay Singh
  • Jürgen Müller
  • Liliane Biskupek
  • Eva Hackmann
  • Claus Lämmerzahl

External Research Organisations

  • Center of Applied Space Technology and Microgravity (ZARM)
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Details

Original languageEnglish
Article number021401
JournalPhysical Review Letters
Volume131
Issue number2
Early online date13 Jul 2023
Publication statusPublished - 14 Jul 2023

Abstract

Lunar Laser Ranging (LLR) measures the distance between observatories on Earth and retro-reflectors on the Moon since 1969. In this Letter, we study the possible violation of the equivalence of passive and active gravitational mass (ma/mp), for aluminum (Al) and iron (Fe), using LLR data. Our new limit of 3.9×10-14 is about 100 times better than that of Bartlett and Van Buren [Equivalence of Active and Passive Gravitational Mass Using the Moon, Phys. Rev. Lett. 57, 21 (1986)PRLTAO0031-900710.1103/PhysRevLett.57.21] reflecting the benefit of the many years of LLR data.

Keywords

    gr-qc, astro-ph.EP, physics.space-ph

Cite this

Equivalence of Active and Passive Gravitational Mass Tested with Lunar Laser Ranging. / Singh, Vishwa Vijay; Müller, Jürgen; Biskupek, Liliane et al.
In: Physical Review Letters, Vol. 131, No. 2, 021401, 14.07.2023.

Research output: Contribution to journalArticleResearchpeer review

Singh VV, Müller J, Biskupek L, Hackmann E, Lämmerzahl C. Equivalence of Active and Passive Gravitational Mass Tested with Lunar Laser Ranging. Physical Review Letters. 2023 Jul 14;131(2):021401. Epub 2023 Jul 13. doi: 10.48550/arXiv.2212.09407, 10.1103/PhysRevLett.131.021401
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abstract = "Lunar Laser Ranging (LLR) measures the distance between observatories on Earth and retro-reflectors on the Moon since 1969. In this Letter, we study the possible violation of the equivalence of passive and active gravitational mass (ma/mp), for aluminum (Al) and iron (Fe), using LLR data. Our new limit of 3.9×10-14 is about 100 times better than that of Bartlett and Van Buren [Equivalence of Active and Passive Gravitational Mass Using the Moon, Phys. Rev. Lett. 57, 21 (1986)PRLTAO0031-900710.1103/PhysRevLett.57.21] reflecting the benefit of the many years of LLR data.",
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