Elsevier

Nuclear Physics A

Volume 138, Issue 2, 1 December 1969, Pages 387-391
Nuclear Physics A

Cross sections of some reactions of Al, S, Mn, Fe, Ni, In AND I with 14.8 MeV neutrons

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Abstract

The cross sections for a number of reactions commonly used to measure 14 MeV neutron flux densities were determined using samples which were irradiated simultaneously: 27Al(n, α) 24Na, 116±8 mb; 32S(n, p)32P, 184±15 mb; 55Mn(n, 2n)54Mn, 75±6mb; 54Fe(n, p)54Mn, 300±20 mb; 56Fe(n, p)56Mn, 109±9 mb; 58Ni(n, p)58Co, 318±25 mb; 58Ni(n, pn+np+d)57Co, 75±6 mb; 58Ni(n, 2n)57Ni, 36±3 mb; 115In(n, n′)115mIn, 69±5 mb; 115In(n, 2n)114mIn, 1390±110mb; and 127I(n, 2n)126I, 1660±140mb. The indicated errors are estimated two standard deviation limits, whereas the relative cross-section values are thought to be accurate to about 3 %, and therefore of use for interrelating fast neutron cross sections measured relative to various of these monitor reactions.

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    Work done under the auspices of the U.S. Atomic Energy Commission.

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