59Fe(n,g)60Fe and 60Fe(n,g)61Fe Reaction Rates from Local Systematics

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Description

We present modeled neutron capture cross sections relevant to stellar production of {sup 60}Fe. Systematics for the input parameters required by the Hauser-Feshbach statistical model are developed based on measured data in the local region of the isotopic plane (20 {le} Z {le} 29, 43 {le} A {le} 65). These parameters and used to calculate reaction cross sections and rates for select target isotopes. Modeled cross sections are compared to experimental data where available. The {sup 59}Fe(n,{gamma}){sup 60}Fe and {sup 60}Fe(n, {gamma}){sup 61}Fe rates are compared to previous calculations. A brief discussion of errors related to the modeling is provided. ... continued below

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PDF-file: 27 pages; size: 1.2 Mbytes

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Kelley, K; Hoffman, R D & Drake, M April 25, 2005.

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Description

We present modeled neutron capture cross sections relevant to stellar production of {sup 60}Fe. Systematics for the input parameters required by the Hauser-Feshbach statistical model are developed based on measured data in the local region of the isotopic plane (20 {le} Z {le} 29, 43 {le} A {le} 65). These parameters and used to calculate reaction cross sections and rates for select target isotopes. Modeled cross sections are compared to experimental data where available. The {sup 59}Fe(n,{gamma}){sup 60}Fe and {sup 60}Fe(n, {gamma}){sup 61}Fe rates are compared to previous calculations. A brief discussion of errors related to the modeling is provided. We conclude by investigating the sensitivity of stellar production of {sup 26}Al and {sup 60}Fe to the {sup 59}Fe(n,{gamma}){sup 60}Fe and {sup 60}Fe(n,{gamma})61Fe reaction rates using a single zone model.

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PDF-file: 27 pages; size: 1.2 Mbytes

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  • Report No.: UCRL-TR-211695
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/894355 | External Link
  • Office of Scientific & Technical Information Report Number: 894355
  • Archival Resource Key: ark:/67531/metadc887011

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  • April 25, 2005

Added to The UNT Digital Library

  • Sept. 22, 2016, 2:13 a.m.

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  • Dec. 2, 2016, 7 p.m.

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Kelley, K; Hoffman, R D & Drake, M. 59Fe(n,g)60Fe and 60Fe(n,g)61Fe Reaction Rates from Local Systematics, report, April 25, 2005; Livermore, California. (digital.library.unt.edu/ark:/67531/metadc887011/: accessed September 24, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.