Proton-Proton Scattering at 100 Mev
About: This article is published in Physical Review.The article was published on 1950-11-01. It has received 1 citations till now. The article focuses on the topics: Proton emission & Proton.
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TL;DR: A PROTON beam has been extracted from the 110-in. Harwell cyclotron by scattering the internal beam at a uranium target as mentioned in this paper, but sufficient field remains to separate outgoing protons of different energies.
Abstract: A PROTON beam has been extracted from the 110-in. Harwell cyclotron by scattering the internal beam at a uranium target1. Deflected protons escape from the cyclotron along a path sheltered from the magnetic field by an arrangement of iron bars2; but sufficient field remains to separate outgoing protons of different energies. Protons of 147 ± 1 MeV., as determined by their corrected3 range in aluminium, are selected by slits and passed down an evacuated tube 12.7 metres long to a point behind a concrete screening wall. A flux of 2 × 105 protons-cm.−2-sec.−1 is available at the end of the tube, and this is monitored by an ionization chamber and an integrating D.C. amplifier.
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