Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 289: Issue 3
Measurements of neutron total cross-sections and resonance parameters of niobium using pulsed neutrons generated by an electron linac
Authors:
Taofeng Wang Department of Physics, Kyungpook National University, Daegu, 702-701 Republic of Korea

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Guinyun Kim Department of Physics, Kyungpook National University, Daegu, 702-701 Republic of Korea

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Man-Woo Lee Department of Physics, Kyungpook National University, Daegu, 702-701 Republic of Korea

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Kyung-Sook Kim Department of Physics, Kyungpook National University, Daegu, 702-701 Republic of Korea

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Moo-Hyun Cho Division of Advanced Nuclear Engineering, University of Science and Technology, Pohang, 790-784 Republic of Korea

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Heung-Sik Kang Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 790-784 Republic of Korea

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Won Namkung Pohang Accelerator Laboratory, Pohang University of Science and Technology, Pohang, 790-784 Republic of Korea

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Pages:
945–952
Online Publication Date:
03 Jun 2011
Publication Date:
01 Sep 2011
Article Category:
Research Article
DOI:
https://doi.org/10.1007/s10967-011-1216-6
Keywords:
Neutron total cross-sections; Resonance parameters; Niobium; Time-of-flight method; Pohang neutron facility; Electron linac; SAMMY fitting
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Abstract  

We measured neutron total cross-sections of natural niobium in the neutron energy region from 0.05 to 300 eV by using the time-of-flight method at the Pohang Neutron Facility, which consists of an electron linear accelerator, a water-cooled tantalum target with a water moderator, and a 12-m long time-of-flight path. A 6Li–ZnS(Ag) scintillator with a diameter of 12.5 cm and a thickness of 1.6 cm was used as a neutron detector, and a high purity natural niobium metallic disc with a diameter of 8.0 cm and a thickness of 15.0 mm thickness was used for the neutron transmission measurement. Notch filters composed of Co, In, Cd were used to estimate the background level and to calculate the length of neutron flight path. In order to reduce the gamma-ray background from bremsstrahlung and from neutron capture, we used a neutron-gamma separation system based on their different pulse shapes. The present measurement was compared with the existing experimental and the evaluated data. The resonance parameters of 93Nb isotope were obtained from the transmission by using the SAMMY code and were compared with other previous results.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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