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Neutron-induced reactions using a $$gamma$$-ray detector in a $$^{12}$$C($$alpha,gamma$$)$$^{16}$$O reaction study

Makii, Hiroyuki   ; Nagai, Yasuki*; Mishima, Kenji*; Segawa, Mariko   ; Shima, Tatsushi*; Igashira, Masayuki*

Neutron-induced background events occurring within a $$gamma$$-ray detector in the $$^{12}$$C($$alpha$$,$$gamma$$)$$^{16}$$O reaction study are discussed by comparing a spectrum taken by a NaI(Tl) detector with a pulsed $$alpha$$-beam with that taken previously by a Ge detector using a continuous $$alpha$$-beam. Both spectra contain such background events induced by neutrons from the $$({alpha},n)$$ reaction on $$^{13}$$C and/or $$^{9}$$Be contained in enriched $$^{12}$$C targets. These observations together with a calculated $$gamma$$-ray spectrum of the neutron-induced reaction by Ge isotopes indicate the thus-produced background events, which would be hardly reduced by using shield materials, become significant background in the $$^{12}$$C($$alpha$$,$$gamma$$)$$^{16}$$O reaction study at low $$alpha$$-beam energy.

Language

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English

Journal

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Physical Review C

Volume

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76

Number

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2

Pages

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p.022801_1 - 022801_5

Publication Year/Month

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2007/08

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Held date

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Patent information

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PDF

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Paper URL

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https://doi.org/10.1103/PhysRevC.76.022801

DOI for research data

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Keywords

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no keyword

Research Facility

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Press Release

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Article of JAEA R&D Review

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Cooperating Institute

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Accesses

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- Accesses

InCites™

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Percentile:67.84

Category:Physics, Nuclear

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