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Title: Neutron capture on {sup 94}Zr: Resonance parameters and Maxwellian-averaged cross sections

Abstract

The neutron capture cross sections of the Zr isotopes play an important role in nucleosynthesis studies. The s-process reaction flow between the Fe seed and the heavier isotopes passes through the neutron magic nucleus {sup 90}Zr and through {sup 91,92,93,94}Zr, but only part of the flow extends to {sup 96}Zr because of the branching point at {sup 95}Zr. Apart from their effect on the s-process flow, the comparably small isotopic (n,{gamma}) cross sections make Zr also an interesting structural material for nuclear reactors. The {sup 94}Zr (n,{gamma}) cross section has been measured with high resolution at the spallation neutron source n{sub T}OF at CERN and resonance parameters are reported up to 60 keV neutron energy.

Authors:
 [1];  [2]; ; ; ; ;  [3]; ; ; ; ; ; ; ;  [4]; ; ;  [5]; ; more »;  [6] « less
  1. Istituto Nazionale di Fisica Nucleare (INFN), Bari (Italy)
  2. (Belgium)
  3. Istituto Nazionale di Fisica Nucleare (INFN), Trieste (Italy)
  4. CEA/Saclay-IRFU, Gif-sur-Yvette (France)
  5. Universidade de Santiago de Compostela (Spain)
  6. Centro de Investigaciones Energeticas Medioambientales y Technologicas, Madrid (Spain)
Publication Date:
OSTI Identifier:
21596620
Resource Type:
Journal Article
Journal Name:
Physical Review. C, Nuclear Physics
Additional Journal Information:
Journal Volume: 84; Journal Issue: 1; Other Information: DOI: 10.1103/PhysRevC.84.015801; (c) 2011 American Institute of Physics; Country of input: International Atomic Energy Agency (IAEA); Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; BRANCHING RATIO; CAPTURE; CROSS SECTIONS; GAMMA DECAY; MAGIC NUCLEI; NEUTRON REACTIONS; NEUTRON SOURCES; NUCLEOSYNTHESIS; RESOLUTION; RESONANCE; S PROCESS; SPALLATION; ZIRCONIUM 90; ZIRCONIUM 91; ZIRCONIUM 92; ZIRCONIUM 93; ZIRCONIUM 94; ZIRCONIUM 95; ZIRCONIUM 96; BARYON REACTIONS; BETA DECAY RADIOISOTOPES; BETA-MINUS DECAY RADIOISOTOPES; DAYS LIVING RADIOISOTOPES; DECAY; DIMENSIONLESS NUMBERS; EVEN-EVEN NUCLEI; EVEN-ODD NUCLEI; EVOLUTION; HADRON REACTIONS; INTERMEDIATE MASS NUCLEI; ISOMERIC TRANSITION ISOTOPES; ISOTOPES; MILLISECONDS LIVING RADIOISOTOPES; NUCLEAR DECAY; NUCLEAR REACTIONS; NUCLEI; NUCLEON REACTIONS; PARTICLE SOURCES; RADIATION SOURCES; RADIOISOTOPES; STABLE ISOTOPES; STAR EVOLUTION; SYNTHESIS; YEARS LIVING RADIOISOTOPES; ZIRCONIUM ISOTOPES

Citation Formats

Tagliente, G., University of Gent, Milazzo, P. M., Fujii, K., Abbondanno, U., Belloni, F., Moreau, C., Aerts, G., Andriamonje, S., Berthoumieux, E., Dridi, W., Gunsing, F., Pancin, J., Perrot, L., Plukis, A., Alvarez, H., Duran, I., Paradela, C., Alvarez-Velarde, F., Cano-Ott, D., and Embid-Segura, M. Neutron capture on {sup 94}Zr: Resonance parameters and Maxwellian-averaged cross sections. United States: N. p., 2011. Web. doi:10.1103/PHYSREVC.84.015801.
Tagliente, G., University of Gent, Milazzo, P. M., Fujii, K., Abbondanno, U., Belloni, F., Moreau, C., Aerts, G., Andriamonje, S., Berthoumieux, E., Dridi, W., Gunsing, F., Pancin, J., Perrot, L., Plukis, A., Alvarez, H., Duran, I., Paradela, C., Alvarez-Velarde, F., Cano-Ott, D., & Embid-Segura, M. Neutron capture on {sup 94}Zr: Resonance parameters and Maxwellian-averaged cross sections. United States. doi:10.1103/PHYSREVC.84.015801.
Tagliente, G., University of Gent, Milazzo, P. M., Fujii, K., Abbondanno, U., Belloni, F., Moreau, C., Aerts, G., Andriamonje, S., Berthoumieux, E., Dridi, W., Gunsing, F., Pancin, J., Perrot, L., Plukis, A., Alvarez, H., Duran, I., Paradela, C., Alvarez-Velarde, F., Cano-Ott, D., and Embid-Segura, M. Fri . "Neutron capture on {sup 94}Zr: Resonance parameters and Maxwellian-averaged cross sections". United States. doi:10.1103/PHYSREVC.84.015801.
@article{osti_21596620,
title = {Neutron capture on {sup 94}Zr: Resonance parameters and Maxwellian-averaged cross sections},
author = {Tagliente, G. and University of Gent and Milazzo, P. M. and Fujii, K. and Abbondanno, U. and Belloni, F. and Moreau, C. and Aerts, G. and Andriamonje, S. and Berthoumieux, E. and Dridi, W. and Gunsing, F. and Pancin, J. and Perrot, L. and Plukis, A. and Alvarez, H. and Duran, I. and Paradela, C. and Alvarez-Velarde, F. and Cano-Ott, D. and Embid-Segura, M.},
abstractNote = {The neutron capture cross sections of the Zr isotopes play an important role in nucleosynthesis studies. The s-process reaction flow between the Fe seed and the heavier isotopes passes through the neutron magic nucleus {sup 90}Zr and through {sup 91,92,93,94}Zr, but only part of the flow extends to {sup 96}Zr because of the branching point at {sup 95}Zr. Apart from their effect on the s-process flow, the comparably small isotopic (n,{gamma}) cross sections make Zr also an interesting structural material for nuclear reactors. The {sup 94}Zr (n,{gamma}) cross section has been measured with high resolution at the spallation neutron source n{sub T}OF at CERN and resonance parameters are reported up to 60 keV neutron energy.},
doi = {10.1103/PHYSREVC.84.015801},
journal = {Physical Review. C, Nuclear Physics},
issn = {0556-2813},
number = 1,
volume = 84,
place = {United States},
year = {2011},
month = {7}
}