Triton-emission cross sections with 30 MeV d(Be) break-up neutrons

doi:10.1016/0375-9474(84)90301-4

Nuclear Physics A

Volume 423, Issue 1, 9 July 1984, Pages 130-138

https://doi.org/10.1016/0375-9474(84)90301-4 Get rights and content

Abstract

Triton-emission cross sections were measured for Al, Ti, V, Cr, Mn, Fe, Co, Ni, Cu, Nb, Mo, Ag, Ta, Tl, Pb and Bi with a 30 MeV d(Be) break-up neutron spectrum characterized by a multiple-foil activation technique. The accumulated tritium was separated by vacuum extraction and measured by low-level gas-phase β⁻ counting. The systematic trend in the cross sections is somewhat similar to that in the 53 MeV d(Be) break-up neutron spectrum; apart from some initial decrease as a function of Z, the cross section is almost constant over the entire range of Z = 22 to 83. The magnitudes of the cross sections lie between those with 14 MeV neutrons and 53 MeV d(Be) break-up neutrons. Hauser-Feshbach calculations show that the statistical model describes the triton-emission cross sections for nuclei in the (2s, ld) shell within a factor of 2; for the heavier nuclei, however, the calculated cross sections are much smaller than the experimental values.

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^∗: IAEA fellow. Present address : Atomic Energy Centre, Dhaka, Bangladesh.

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Triton-emission cross sections with 30 MeV d(Be) break-up neutrons

Abstract

Nucl. Phys.

Nucl. Phys.

J. Inorg. Nucl. Chem.

J. Inorg. Nucl. Chem.

Nucl. Phys.

Nucl. Phys.

J. Inorg. Nucl. Chem.

Nucl. Phys.

Phys. Rev.

Proc. Symp. on neutron cross sections from 10 to 50 MeV

BNL-NCS-51245

Proc. Symp. on neutron cross sections from 10 to 50 MeV

BNL-NCS-51245