Musett: A segmented Si array for Recoil-Decay-Tagging studies at VAMOS

Ch Theisen,F Jeanneau,B Sulignano, F Druillole,J Ljungvall,B Paul, E Virique, Peter W Baron, H Bervas,Emyr Clement,E Delagnes, A Dijon, E Dossat, A Drouart,F Farget, Ch Flouzat,G De France,A Gorgen, C Houarner, B Jacquot,W Korten, G Lebertre, B Lecornu, L Legeard, A Lermitage, S Lhenoret, C Marry, Clotilde Maugeais, L Menager,O Meunier,A Navin, F Nizery,A Obertelli, E Rauly, B Raine,M Rejmund, J Ropert,F Saillant,H Savajols,Ch Schmitt, M Tripon, E Wanlin, G Wittwer

Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment（2014）

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摘要

A new segmented silicon-array called MUSETT has been built for the study of heavy elements using the Recoil-Decay-Tagging technique. MUSETT is located at the focal plane of the VAMOS spectrometer at GANIL and is used in conjunction with a γ-ray array at the target position. This paper describes the device, which consists of four 10×10cm2 Si detectors and its associated front-end electronics based on highly integrated ASICs electronics. The triggerless readout electronics, the data acquisition and the analysis tools developed for its characterization are presented. This device was commissioned at GANIL with the EXOGAM γ-ray spectrometer using the fusion–evaporation reaction 197Au(22Ne,5n)214Ac. Additionally, the performance of the VAMOS Wien filter used during the in-beam commissioning is also reported.

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关键词

Recoil separator,Alpha spectroscopy,Silicon detector,Recoil decay tagging,Wien filter

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