Cyclotron Instrumentation for Nuclear Spectroscopy at Medium Resolution in Energy

The instrumentation for the magnetic focusing and analysis of the external beam of the Michigan cyclotron is described. It provides to a scattering chamber in an adjacent room a beam of deuterons of a few tenths microampere monoenergetic to within 15 kev at a mean energy of 7.8 Mev. A double‐focusin...

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Bibliographic Details
Published in:Review of scientific instruments 1956-07, Vol.27 (7), p.516-526
Main Authors: Bach, D. R., Childs, W. J., Hockney, R. W., Hough, P. V. C., Parkinson, W. C.
Format: Article
Language:English
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Summary:The instrumentation for the magnetic focusing and analysis of the external beam of the Michigan cyclotron is described. It provides to a scattering chamber in an adjacent room a beam of deuterons of a few tenths microampere monoenergetic to within 15 kev at a mean energy of 7.8 Mev. A double‐focusing analyzer magnet of mean radius one meter, focuses reaction products of magnetic rigidity less than or equal to that of a 20‐Mev proton. At the optimum energy resolution of the system, proton groups from (d,p) reactions differing in Q by about 20 kev can be resolved. Particles can be observed over a continuum of angles from −7° to +112° relative to the incident beam. The determination of reaction energies and the measurement of relative differential cross sections are discussed.
ISSN:0034-6748
1089-7623
DOI:10.1063/1.1715622