Test of a perfect crystal neutron storage device

Abstract A system of two perfect silicon crystal plates (1.07 m apart) both placed in back reflection position ((1, 1, 1)-planes) was used to capture highly monochromatic (6.27 A) neutrons. We have been able to show that a pulsed magnetic field is a proper means to fill the system with neutrons and to release the neutrons after a period of up to 30 ms. Here we present our first results obtained from measurements at the ISIS pulsed neutron source at Rutherford Appleton Laboratory.