%0 Journal Article %T Study of Backgrounds at JLC IR %A H. Aihara %A M. Iwasaki %A K. Tanabe %J Physics %D 2003 %I arXiv %X A full simulation program based on GEANT4 has been developed to study beam-induced backgrounds in the JLC beam delivery system. We report some results obtained using this program. %U http://arxiv.org/abs/hep-ex/0303015v1