Detector shielding from background muons at linear colliders

A method is proposed for protecting a linear collider recording system from muons generated during interaction of high-energy electrons escaping from the beam with the material of the accelerating structure. Muons are captured by the azimuth magnetic field of a thick-wall current-conducting iron tube, the head part of which is put on the accelerating structure. The tube with captured muons is gradually moved away from the accelerator's vacuum chamber at a distance required for detector protection. The estimates show that such protection is quite realistic for muon energies of several hundred GeV. Simulation is carried out to calculate moun flux attenuation factor in the detector's region. 2 refs.; 1 fig