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A double-sided silicon strip detector system for proton radioactivity studies

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Original languageEnglish
Pages (from-to)217-223
Number of pages7
JournalNuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Issue number1-2
Publication statusPublished - 1 Jan 1992


A new double-sided silicon strip detector has been developed to study the phenomenon of ground-state proton radioactivity. Highly proton-rich fusion-evaporation reaction products are velocity and mass separated using the Daresbury recoil separator before being implanted into the strip detector located at the separator focal plane. The double-sided strip detector has 48 strips per face with a pitch of 335 μm. Front and back strips are orthogonal providing an effective pixel area of 0.09 mm , enabling correlations between implanted ions and subsequent decays to be clearly established. Test results obtained using the reactions Ni+ Mo→ Yb and Ni+ Fe→ Xe are reported. In the latter commisioning experiment the proton decay of I was unambiguously established using the correlated decay sequence I→ Te→ Sn.

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