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SUMMARY:Astronomical Tests of Spatial Anisotropy of Gravity: Lunar Laser R
 anging and Trans-Neptunian Object Anomalies in the Context of the Spin-Den
 sity Model
DTSTART;VALUE=DATE-TIME:20261030T074500Z
DTEND;VALUE=DATE-TIME:20261030T080000Z
DTSTAMP;VALUE=DATE-TIME:20261106T051429Z
UID:indico-contribution-6274@cern.ch
DESCRIPTION:Speakers: Sergei Kupreev (RUDN University)\nSpatial anisotropy
  of the gravitational constant $G$ is a key prediction of the Spin-Density
  Model (SDM)\, in which space-time is considered as a dynamic carrier medi
 um. According to the SDM\, large-scale polarization of this medium by acti
 ve galactic nuclei leads to a dependence of the effective gravitational co
 nstant on direction\, manifesting as a difference in gravitational attract
 ion in the Galactic plane and perpendicular to it. The astrophysical estim
 ate of this effect gives $\\Delta G/G \\sim 10^{-8}$\, whereas in laborato
 ry conditions on Earth the effect should be suppressed by the local gravit
 ational field to $\\Delta G/G \\sim 10^{-10}$. Existing gravimetric constr
 aints ($\\Delta G/G \n\nhttps://indico.particle.mephi.ru/event/626/contrib
 utions/6274/
LOCATION: Conference Hall 4
URL:https://indico.particle.mephi.ru/event/626/contributions/6274/
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