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Abundances of Mo isotopes predicted by stellar models of the s process are,except for 95Mo, in good agreement with data from single grains of mainstreampresolar SiC. Because the meteorite data seemed sound and no reasonablemodification to stellar theory resulted in good agreement for 95Mo, it has beensuggested that the recommended neutron capture reaction rate for this nuclideis 30% too low. Therefore, we have made a new determination of the95Mo(n,gamma) reaction rate via high-resolution measurements of theneutron-capture and total cross sections of 95Mo at the Oak Ridge ElectronLinear Accelerator. These data were analyzed with the R-matrix code SAMMY toobtain parameters for resonances up to En = 10 keV. Also, a small change to ourcapture apparatus allowed us to employ a new technique to vastly improveresonance spin and parity assignments. These new resonance parameters, togetherwith our data in the unresolved range, were used to calculate the 95Mo(n,gamma)reaction rate at s-process temperatures. We compare the currently recommendedrate to our new results and discuss their astrophysical impact.

High-Resolution Neutron Capture and Total Cross-Section Measurements, and the Astrophysical 95Mo(n,gamma) Reaction Rate at s-process Temperatures