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High resolution, high energy telescope counters for (γ, charged particles) reaction studies

Authors
Journal
Nuclear Instruments and Methods
0029-554X
Publisher
Elsevier
Publication Date
Volume
179
Issue
1
Identifiers
DOI: 10.1016/0029-554x(81)91161-7

Abstract

Abstract High resolution telescope counters which employ thick germanium and silicon surface barrier detectors have been constructed and used for experiments with bremsstrahlung beams at high energies. The system has been tested with ⪅160 MeV bremsstrahlung beams and Li targets. All charged particles up to E ≅ 100 MeV are clearly separated, and there is little background in the measured spectra except at very low energies. Data have been acquired for the 2D(γ, p) n reaction at 90° and for the 4He(γ, t τ) reaction angular distributions. The system may be constructed at about 1% of the cost of a magnetic spectrometer with a comparable energy resolution and analyzing capability.

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