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Measurement of total $$gamma$$ absorption for high energy $$gamma$$ rays

高エネルギー$$gamma$$線による質量減衰係数の測定

北谷 文人  ; 原田 秀郎   ; 原 かおる; 宇都宮 弘章*; 後神 進史*; 海堀 岳史*; 豊川 弘之*

Kitatani, Fumito; Harada, Hideo; Hara, Kaoru; Utsunomiya, Hiroaki*; Goko, Shinji*; Kaihori, Takeshi*; Toyokawa, Hiroyuki*

Total $$gamma$$ absorption cross sections are of the most important data used in various fields related to the application of $$gamma$$ rays. However, the measurements of the total $$gamma$$ absorption cross section were difficult for high energy $$gamma$$ rays since there are no suitable $$gamma$$ ray sources. Recently, the nuclear photo-absorption measurement system using the laser-Compton backscattering $$gamma$$ rays (LCS $$gamma$$ rays) and the high-resolution high-energy photon spectrometer (HHS) were developed. We have utilized the system to measure the total $$gamma$$ absorption cross section, that is, the sum of the atomic and nuclear interactions. Since the characteristic kinematics of the LCS $$gamma$$ rays, they are sharply collimated, and therefore very suitable for the measurement of the total $$gamma$$ absorption cross sections.

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English

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発表会議名

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International Nuclear Physics Conference (INPC 2007)

開催年月

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2007/06

開催都市

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Tokyo

開催国

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Japan

キーワード

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no keyword

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PDF

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研究データの公開先DOI

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使用施設

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広報プレスリリース

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論文解説記事
(成果普及情報誌)

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受委託・共同研究相手機関

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甲南大学; 産業技術総合研究所

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- Accesses

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