The Multiple Production of Neutrons by Cosmic Radiation

The Multiple Production of Neutrons by Cosmic Radiation Letters to the Editor pROMPT publication of brief reports of important dis- coveris in physics may be secured by addressing them' to this department. The closing date for this department is the third of the month. Because of the late closing date for the sec- tion no proof can be shown to authors. The Board of Editors does not hold itself responsible for the opinions expressed by the correspondents. Communications should not in general ex- ceed 600 words in length. Proposed Neutron Spectrometer in the 10-1000 kev Range BERNARD T. FELD Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts March 15, 1946 SOME time ago, it occurred to the author that an J exoergic (n, p) reaction might be used for a neutron spectrometer in the following way: a proportional counter is filled with a gas containing a substantial amount of the nucleus undergoing the (n, p) reaction. (Argon could be added to provide for sufficient stopping power to prevent more than a small fraction of the emitted protons from hitting the walls of the chamber.) If the energy of the reaction is Er, and the energy of the neutron causing the reaction En, the total energy http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Physical Review American Physical Society (APS)

The Multiple Production of Neutrons by Cosmic Radiation

Physical Review, Volume 70 (5-6) – Sep 1, 1946
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Publisher
American Physical Society (APS)
Copyright
Copyright © 1946 The American Physical Society
ISSN
1536-6065
DOI
10.1103/PhysRev.70.429.2
Publisher site
See Article on Publisher Site

Abstract

Letters to the Editor pROMPT publication of brief reports of important dis- coveris in physics may be secured by addressing them' to this department. The closing date for this department is the third of the month. Because of the late closing date for the sec- tion no proof can be shown to authors. The Board of Editors does not hold itself responsible for the opinions expressed by the correspondents. Communications should not in general ex- ceed 600 words in length. Proposed Neutron Spectrometer in the 10-1000 kev Range BERNARD T. FELD Department of Physics, Massachusetts Institute of Technology, Cambridge, Massachusetts March 15, 1946 SOME time ago, it occurred to the author that an J exoergic (n, p) reaction might be used for a neutron spectrometer in the following way: a proportional counter is filled with a gas containing a substantial amount of the nucleus undergoing the (n, p) reaction. (Argon could be added to provide for sufficient stopping power to prevent more than a small fraction of the emitted protons from hitting the walls of the chamber.) If the energy of the reaction is Er, and the energy of the neutron causing the reaction En, the total energy

Journal

Physical ReviewAmerican Physical Society (APS)

Published: Sep 1, 1946

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