Author/Authors :
Ketelhut، نويسنده , , S. and Evitts، نويسنده , , L.J. and Garnsworthy، نويسنده , , A.B. and Bolton، نويسنده , , C. and Ball، نويسنده , , G.C. and Churchman، نويسنده , , R. and Dunlop، نويسنده , , R. and Hackman، نويسنده , , G. and Henderson، نويسنده , , R. and Moukaddam، نويسنده , , M. and Rand، نويسنده , , E.T. and Svensson، نويسنده , , C.E. and Witmer، نويسنده , , J.، نويسنده ,
Abstract :
The SPICE spectrometer is a new in-beam electron spectrometer designed to operate in conjunction with the TIGRESS HPGe Clover array at TRIUMF-ISAC. The spectrometer consists of a large area, annular, segmented lithium-drifted silicon electron detector shielded from the target by a photon shield. A permanent magnetic lens directs electrons around the photon shield to the detector. Experiments will be performed utilising Coulomb excitation, inelastic-scattering, transfer and fusion–evaporation reactions using stable and radioactive ion beams with suitable heavy-ion detection. Good detection efficiency can be achieved in a large energy range up to 3500 keV electron energy using several magnetic lens designs which are quickly interchangeable. COMSOL and Geant4 simulations have been used to maximise the detection efficiency. In addition, the simulations have guided the design of components to minimise the contributions from various sources of backgrounds.
