2004
DOI: 10.1016/j.nima.2004.05.119
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A new HPGe setup at Gelina for measurement of gamma-ray production cross-sections from inelastic neutron scattering

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Cited by 45 publications
(25 citation statements)
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“…These angles are the roots of the fourth order Legendre polynomial and allow a precise angle integration for γ -rays with multipolarities L = 1-3 by the Gauss quadrature method described in Ref. [16]. For 110 • , detectors with a relative efficiency of 75.9% and 105% were placed at distances from the center of the sample to the front face of the detector of 136.5 and 142.0 mm, respectively.…”
Section: Experimental Setup and Data Analysismentioning
confidence: 99%
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“…These angles are the roots of the fourth order Legendre polynomial and allow a precise angle integration for γ -rays with multipolarities L = 1-3 by the Gauss quadrature method described in Ref. [16]. For 110 • , detectors with a relative efficiency of 75.9% and 105% were placed at distances from the center of the sample to the front face of the detector of 136.5 and 142.0 mm, respectively.…”
Section: Experimental Setup and Data Analysismentioning
confidence: 99%
“…The neutron flux was continuously monitored using a fission chamber with 235 U [16]. The uncertainty due to the flux measurement consisted of that of the 235 U standard fission cross section, which was less than 1% below 10 MeV and up to 1.5% at 20 MeV, and of counting statistics resulting in an overall uncertainty of about 2% up to 10 MeV increasing to 4% at 18 MeV.…”
Section: Experimental Setup and Data Analysismentioning
confidence: 99%
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“…In order to normalize the data, the neutron flux was monitored using a 235 U fission chamber (FC) centered on the flux at about 146.8 cm upstream the sample. It contains 8 uranium layers of 70 mm diameter on five Al foils of 20 µm thickness supported by 84 mm diameter ring [16]. The FC uses as a counting gas a P10 mixture at atmospheric pressure.…”
Section: Methodsmentioning
confidence: 99%
“…A correction factor is determined by comparing MCNP5 simulations of the actual experimental setup and of the same configuration with the sample and all materials between the fission chamber and the sample voided. Finally, the extraction of γ -production, level population, and inelastic scattering cross sections from GAINS data is described in [9].…”
Section: Methodsmentioning
confidence: 99%