CD: A double sided silicon strip detector for radioactive nuclear beam experiments

A very compact double sided silicon strip detector array is described, designed for use in reaction studies involving radioactive nuclear beams. It is small enough to fit inside a large solid angle gamma-detector array and will enable Doppler-shift corrections at energies in the vicinity of the Coulomb barrier. The detector provides sufficient energy and time-of-flight resolution for the identification of light reaction products and can be set up to cover a substantial part or the scattering angular distribution with good resolution. The device is available in thicknesses of up to 500 pm to stop all interesting reaction products. Moreover, a very thin (35-40 mum) variant of this detector is described that can be used as an energy loss detector in a DeltaE - E telescope geometry followed by a detector that measures the residual energy. This provides additional particle identification capabilities. e.g. in light exotic nuclei induced reactions. First results from a commissioning run using a post-accelerated radioactive beam are presented. (C) 2002 Elsevier Science B.V. All rights reserved.