Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: Will it be possible to measure intrinsic gravitomagnetism with Lunar
  Laser Ranging?   In this note we mainly explore the possibility of measuring the action of the
intrinsic gravitomagnetic field of the rotating Earth on the orbital motion of
the Moon with the Lunar Laser Ranging (LLR) technique. Expected improvements in
it should push the precision in measuring the Earth-Moon range to the mm level;
the present-day Root-Mean-Square (RMS) accuracy in reconstructing the radial
component of the lunar orbit is about 2 cm; its harmonic terms can be
determined at the mm level. The current uncertainty in measuring the lunar
precession rates is about 10^-1 milliarcseconds per year. The Lense-Thirring
secular, i.e. averaged over one orbital period, precessions of the node and the
perigee of the Moon induced by the Earth's spin angular momentum amount to
10^-3 milliarcseconds per year yielding transverse and normal shifts of
10^-1-10^-2 cm yr^-1. In the radial direction there is only a short-period,
i.e. non-averaged over one orbital revolution, oscillation with an amplitude of
10^-5 m. Major limitations come also from some systematic errors induced by
orbital perturbations of classical origin like, e.g., the secular precessions
induced by the Sun and the oblateness of the Moon whose mismodelled parts are
several times larger than the Lense-Thirring signal. The present analysis holds
also for the Lue-Starkman perigee precession due to the multidimensional
braneworld model by Dvali, Gabadadze and Porrati (DGP); indeed, it amounts to
about 5 X 10^-3 milliarcseconds per year.

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The categories of this paper are: cs
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The categories of this paper are: nlin
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The categories of this paper are: solv-int
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The categories of this paper are: plasm-ph
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The categories of this paper are: atom-ph
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The categories of this paper are: chao-dyn
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The categories of this paper are: hep-lat
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The categories of this paper are: nucl-ex
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The categories of this paper are: q-bio
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The categories of this paper are: supr-con
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The categories of this paper are: eess
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The categories of this paper are: math
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The categories of this paper are: hep-ph
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The categories of this paper are: adap-org
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The categories of this paper are: nucl-th
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The categories of this paper are: econ