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Little, R. N. (Robert Narvaez), 1913- 2016-04-22T22:00:34Z 2016-04-22T22:00:34Z 1942 Little, R. N. (Robert Narvaez), 1913-. "The scattering of fast neutrons by lead. Construction of an ion source and accelerating tube." (1942) Master’s Thesis, Rice University. <a href="https://hdl.handle.net/1911/90276">https://hdl.handle.net/1911/90276</a>. https://hdl.handle.net/1911/90276 RICE1312 Thesis Phys. 1942 Little Reprinted from THE PHYSICAL REVIEW, Vol. 60, No. 10, pp. 693-701, November 15, 1941 Many new ideas have been tried in the search of ion sources with greater output. One of the best announced in recent years is an ion source designed by A. T. Finkelstein and described in the "Review of Scientific Instruments". One of the purposes of the work discussed in this paper was the adaption of an ion source of the Finkelstein type to the Rice Institute Cockcroft-Walton high voltage particle accelerator. In previous experiments with the Cockcroft-Walton set, the voltage obtained was limited by breakdown across the single accelerating gap. The second purpose of the work was to eliminate this limitation by substitution of a set of multiple gaps for the single one. 26 pp reformatted digital eng Copyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder. The scattering of fast neutrons by lead. Construction of an ion source and accelerating tube Thesis Text Physics Natural Sciences Rice University Masters Master of Arts open.access