  Expected energy spectra calculations for large volume liquid scintillation
detectors to inverse $\beta$-decay for antineutrinos produced by $^{144}$Ce --
$^{144}$Pr artificial source have been performed.
  The calculations were carried out through Monte-Carlo method within GEANT4.10
framework and were purposed to search for neutrino oscillation to sterile
eigenstate with mass about 1 eV.
  The analysis of relative sensitivity to oscillation parameters for different
detector shapes has been performed.
