96Zr(n,γ) measurement at the n_TOF facility at CERN

Details 96Zr(n,γ) measurement at the n_TOF facility at CERN 96Zr(n,γ) measurement at the n_TOF facility at CERN

Nov 2011

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2011phrvc..84e5802t&link_type=abstract

Physical Review C, vol. 84, Issue 5, id. 055802

Astronomy and Astrophysics

Astrophysics

Radiative Capture, Resonances, 90<=A<=149, Nucleosynthesis In Late Stellar Evolution

Scientific paper

The (n,γ) cross section of 96Zr has been investigated at the CERN n_TOF spallation neutron source. High-resolution time-of-flight measurements using an enriched ZrO2 sample allowed us to analyze 15 resonances below 40 keV with improved accuracy. On average, the capture widths were found to be 25% smaller than reported in earlier experiments. If complemented with the contribution by direct radiative capture, the derived Maxwellian averaged cross sections are consistent with activation data at kT=25 keV. The present results confirm the astrophysical implications for the s-process branching at 95Zr.

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