New ⁸⁸Sr(n,g)Astrophysical Reaction Rate from Resonance Analysis of New High-Resolution Neutron Capture and Transmission Data

Conference · Mon Aug 30 00:00:00 EDT 1999

OSTI ID:10492

Koehler, P E

Because of its small cross section, the ⁸⁸Sr(n,g) reaction is an important bottleneck during s-process nucleosynthesis. Hence, an accurate determination of this rate is needed to better constrain the neutron exposure in s-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 ⁸⁸Sr 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.

• Research Organization: Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
• Sponsoring Organization: USDOE Office of Science (SC)
• DOE Contract Number: AC05-96OR22464
• OSTI ID: 10492
• Report Number(s): ORNL/CP-104604; AT 50 10 20 0; ON: DE00010492
• Resource Relation: Conference: 10th International Symposium on Capture Gamma-Ray Spectroscopy, Santa Fe, NM, August 30-September 3, 1999
• Country of Publication: United States
• Language: English

Related Subjects

66 PHYSICS
Strontium 88
Neutron Reactions
Capture
Nuclear Reaction Kinetics
Cross Sections