New <sup>88</sup>Sr(n,<font face="symbol">g</font>)Astrophysical Reaction Rate from Resonance Analysis of New High-Resolution Neutron Capture and Transmission Data

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Because of its small cross section, the <sup>88</sup>Sr(n,<font face="symbol">g</font>) reaction is an important bottleneck during <i>s</i>-process nucleosynthesis. Hence, an accurate determination of this rate is needed to better constrain the neutron exposure in <i>s</i>-process models and to more fully exploit the recently discovered isotopic anomalies in certain meteorites. We have completed the resonance analysis of our new and improved measurements of the neutron capture and total cross sections for <sup>88</sup>Sr made at the Oak Ridge Electron Linear Accelerator (ORELA). We describe our experimental procedures and resonance analysis, compare our results to previous data, and discuss their astrophysical impact.

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8 pages

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Koehler, P.E. August 30, 1999.

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Because of its small cross section, the <sup>88</sup>Sr(n,<font face="symbol">g</font>) reaction is an important bottleneck during <i>s</i>-process nucleosynthesis. Hence, an accurate determination of this rate is needed to better constrain the neutron exposure in <i>s</i>-process models and to more fully exploit the recently discovered isotopic anomalies in certain meteorites. We have completed the resonance analysis of our new and improved measurements of the neutron capture and total cross sections for <sup>88</sup>Sr made at the Oak Ridge Electron Linear Accelerator (ORELA). We describe our experimental procedures and resonance analysis, compare our results to previous data, and discuss their astrophysical impact.

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8 pages

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  • 10th International Symposium on Capture Gamma-Ray Spectroscopy, Santa Fe, NM, August 30-September 3, 1999

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  • Other: DE00010492
  • Report No.: ORNL/CP-104604
  • Grant Number: AC05-96OR22464
  • Office of Scientific & Technical Information Report Number: 10492
  • Archival Resource Key: ark:/67531/metadc628444

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Office of Scientific & Technical Information Technical Reports

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  • August 30, 1999

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  • June 16, 2015, 7:43 a.m.

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  • Feb. 15, 2016, 12:24 p.m.

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Koehler, P.E. New <sup>88</sup>Sr(n,<font face="symbol">g</font>)Astrophysical Reaction Rate from Resonance Analysis of New High-Resolution Neutron Capture and Transmission Data, article, August 30, 1999; Oak Ridge, Tennessee. (digital.library.unt.edu/ark:/67531/metadc628444/: accessed December 16, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.