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


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Opened Access 96 Zr(n,γ) measurement at the n_TOF facility at CERN
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Author: Tagliente, G.
Milazzo, Paolo
Fujii, K.
Abbondanno, U.
Aerts, G.
Álvarez, H.
Wisshak, K.
Capote, Roberto
Quesada Moreno, José Francisco
Department: Universidad de Sevilla. Departamento de Física Atómica, Molecular y Nuclear
Date: 2011
Published in: Physical Review C - Nuclear Physics, 84 (5), 055802-1-055802-8.
Document type: Article
Abstract: 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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