Chinese Physics C > 1978, Vol. 2 > Issue(5): 450-460

ELASTIC SCATTERING OF FAST NEUTRONS FROM Fe, Cu AND Pb

NEUTRON PHYSICS GROUP OF NUCLEAR PHYSICS LABORATORY

Institute of Nuolear Research, Academia Sinica

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Abstract：
Using time of flight technique the elastic differential cross sections were measured for neutrons from natural Fe, Cu, and Pb in the energy range 1.10 to 1.40 MeV.The effect of neutron attenuation and multiple scattering in the sample is corrected by extrapolation of the experimental results. The correction of scattering angles due to the finite source-sample-detector geometry is also considered. The measured elastic differential cross sections are expressed by Legendre polynomial expansions, from which the total cross sections are obtained.The Optical-Model Calculations are carried out which show a reasonable consistency with the measured values.

References

[1]

A. B. Smith et al., Physics Review, 135 B1 (1964), 76.[2] Kineo Tsukada et al., Nuclear Physics, A125 (1969), 641.[3] Susan M. Offord, K. Parker, AWRE Report, No:0-63/67. (1967) .[4] "BNL-400 3rd. ed", (1970), Vol. 1-2.[5] "Nuclear Data for Reactor", (15-19 June, Vienna, LAEA, 1970).[6] R. O. Lane, A. S. Langsdorf et al., ANL-6172.[7] J. B. Parker et al., Nuclear Instruments and Methods, 19 (1961), 1.[8] B. Holmgvist, et al., Arkiv für Fysik, 34 (1967), 481.[9] E. H. Auerback et al，BNL-765 (T-286).

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NEUTRON PHYSICS GROUP OF NUCLEAR PHYSICS LABORATORY. ELASTIC SCATTERING OF FAST NEUTRONS FROM Fe, Cu AND Pb[J]. Chinese Physics C, 1978, 2(5): 450-460.

NEUTRON PHYSICS GROUP OF NUCLEAR PHYSICS LABORATORY. ELASTIC SCATTERING OF FAST NEUTRONS FROM Fe, Cu AND Pb[J]. Chinese Physics C, 1978, 2(5): 450-460. shu

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Received: 1977-12-07
Revised: 1978-02-15

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沈阳化工大学材料科学与工程学院沈阳 110142

ELASTIC SCATTERING OF FAST NEUTRONS FROM Fe, Cu AND Pb

NEUTRON PHYSICS GROUP OF NUCLEAR PHYSICS LABORATORY

Institute of Nuolear Research, Academia Sinica

Received Date:1977-12-07
Accepted Date:1978-02-15
Available Online:1978-10-05

Abstract:Using time of flight technique the elastic differential cross sections were measured for neutrons from natural Fe, Cu, and Pb in the energy range 1.10 to 1.40 MeV.The effect of neutron attenuation and multiple scattering in the sample is corrected by extrapolation of the experimental results. The correction of scattering angles due to the finite source-sample-detector geometry is also considered. The measured elastic differential cross sections are expressed by Legendre polynomial expansions, from which the total cross sections are obtained.The Optical-Model Calculations are carried out which show a reasonable consistency with the measured values.