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General Kenneth Nichols and the Manhattan Project
Nichols
The Oak Ridger has published the latest in a series of articles about General Kenneth D. Nichols, the Manhattan Project, and the 1954 Atomic Energy Act. The series has been produced by Nichols’ grandniece Barbara Rogers Scollin and Oak Ridge (Tenn.) city historian David Ray Smith. Gen. Nichols (1907–2000) was the district engineer for the Manhattan Engineer District during the Manhattan Project.
As Smith and Scollin explain, Nichols “had supervision of the research and development connected with, and the design, construction, and operation of, all plants required to produce plutonium-239 and uranium-235, including the construction of the towns of Oak Ridge, Tennessee, and Richland, Washington. The responsibility of his position was massive as he oversaw a workforce of both military and civilian personnel of approximately 125,000; his Oak Ridge office became the center of the wartime atomic energy’s activities.”
P. M. Prajapati, S. Mukherjee, H. Naik, A. Goswami, S. V. Suryanarayana, S. C. Sharma, B. S. Shivashankar, V. K. Mulik, K. C. Jagdeesan, S. V. Thakre, S. Bisnoi, T. Patel, K. K. Rasheed, S. Ganesan
Nuclear Science and Engineering | Volume 171 | Number 1 | May 2012 | Pages 78-84
Technical Paper | doi.org/10.13182/NSE11-02
Articles are hosted by Taylor and Francis Online.
The 94Zr(n,)95Zr and 90Zr(n,p)90Ym reaction cross sections were measured at neutron energies En of 2.45 MeV and 9.85 ± 0.38 MeV (average) using an activation and off-line gamma-ray spectrometric technique. In addition to these, the thermal neutron capture cross sections of 94Zr(n,)95Zr and 96Zr(n,)97Zr were also measured using the same technique. The experimentally measured neutron cross-section data were compared with the latest available evaluated nuclear data libraries from ENDF/B-VII, JENDL 4.0, and TENDL 2010.
