Production of the Light Elements Lithium, Beryllium, and Boron by Proton-Induced Spallation of <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><mmultiscripts><mrow><mi mathvariant="normal">N</mi></mrow><mprescripts></mprescripts><mrow></mrow><mrow><mn>14</mn></mrow><mrow></mrow><mrow></mrow></mmultiscripts></mrow></math></span>

Helmut Laumer; Sam M. Austin; Lolo M. Panggabean; Cary N. Davids

doi:10.1103/PhysRevC.8.483

Production of the Light Elements Lithium, Beryllium, and Boron by Proton-Induced Spallation of ${}^{14}N$

Helmut Laumer, Sam M. Austin, Lolo M. Panggabean, and Cary N. Davids

Phys. Rev. C 8, 483 – Published 1 August 1973

Abstract

Astrophysically interesting cross sections for the production of isotopes of lithium, beryllium, and boron in the proton-induced spallation of ${}^{14}N$ were measured for proton energies between 17 and 42 MeV. A time-of-flight method was used for mass identification, supplemented at one energy by radioactivity analysis. Gas targets were used throughout. The astrophysical significance of the results is discussed.

Received 26 March 1973

DOI:https://doi.org/10.1103/PhysRevC.8.483

Authors & Affiliations

Helmut Laumer^*, Sam M. Austin, Lolo M. Panggabean, and Cary N. Davids^†

Cyclotron Laboratory, Physics Department, Michigan State University, East Lansing, Michigan 48823

^*Present address: Department of Physics, Kansas State University, Manhattan, Kansas 66502.
^†Present address: Center for Nuclear Studies, University of Texas, Austin, Texas 78712.

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Vol. 8, Iss. 2 — August 1973

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Physical Review C

covering nuclear physics