Total cross section and resonance spectroscopy for {ital n}+{sup 124}Sn
- Department of Physics & Astronomy, Middle Tennessee State University, Murfreesboro, Tennessee 37132 (United States)
- Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States)
The neutron total cross section of {sup 124}Sn has been measured over the energy range 0.014{endash}0.315 MeV. An {ital R}-matrix analysis has been performed to obtain resonance and average parameters which provide for a complete representation of the neutron entrance channels for the {ital s}{sub 1/2}, {ital p}{sub 1/2}, and {ital p}{sub 3/2} contributions. The {ital s}- and {ital p}-wave neutron strength functions have been determined (for a channel radius of 7.23 fm) to be 0.12{plus_minus}0.03 and 1.8{plus_minus}0.2, respectively (in units of 10{sup {minus}4}). Limits are placed on the average level spacings and strength functions for the individual partial-wave components. The number of definite {ital p}{sub 1/2} levels exceeds the {ital p}{sub 3/2} levels by the factor 2 and their average strengths differ by the factor 4. {ital s}- and {ital p}-wave potential scattering radii have been determined to be 6.4{plus_minus}0.2 fm and 10.5{plus_minus}0.3 fm, respectively. Average scattering functions, deduced from the average parameters, have been used to determine the real well depth of an optical-model potential which reproduces these functions. There is evidence of an angular momentum dependence of the real-well potential depth and the level spacings. {copyright} {ital 1996 The American Physical Society.}
- OSTI ID:
- 389429
- Journal Information:
- Physical Review, C, Journal Name: Physical Review, C Journal Issue: 5 Vol. 54; ISSN PRVCAN; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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