㻌䠄䠏䠅㻌 ⇕⺯ගయ䜢฼⏝䛧䛯୰ᛶᏊ⥺䠉䃒⥺ᘚู ᐃἲ䛻㛵䛩䜛◊✲㻌

㻌䠄䠏䠅㻌 ⇕⺯ගయ䜢฼⏝䛧䛯୰ᛶᏊ⥺䠉䃒⥺ᘚู ᐃἲ䛻㛵䛩䜛◊✲㻌

㻌 㤳㒔኱Ꮫᮾி኱Ꮫ㝔㻌 㻌

ே㛫೺ᗣ⛉Ꮫ◊✲⛉㻌

┾ṇίග䚸ᰡ⃝㻌 ఙ䚸୸ᒣ኱ᶞ䚸ᒣᮏ⚈ኴ㑻䚸㻌 బ䚻ᮌ኱ᆅ䚸ゅ⏣⍞Ꮨ䚸┦⃝ⱝዉ䚸ᙇ㻌 ⥔⌈㻌 㻌 ஑ᕞ኱Ꮫ኱Ꮫ㝔㻌

་Ꮫ◊✲㝔㻌

㻌

⣡෠᫛ᘯ䚸ᰩཎ෽భ䚸ᚨỌᚁ⍛䚸ᰠ㔝㻌 ㄹ㻌 㻌 㔞◊ᶵᵓᨺ་◊ᨺᑕ⥺㻌

㜵ㆤ᝟ሗ⤫ྜ䝉䞁䝍䞊㻌 㻌

ྂሙ⿱௓㻌 㻌 ㏆␥኱ᏛཎᏊຊ◊✲ᡤ㻌 ⱝᯘ※୍㑻㻌

㻌

䛊䛿䛨䜑䛻䛋

䝩䜴⣲୰ᛶᏊ⿵㊊⒪ἲ䠄BNCT䠅䛿䚸䛜䜣⣽⬊䜢㑅ᢥⓗ䛻ᶆⓗ໬䛧䛯䝩䜴⣲⸆๣䛸୰ᛶᏊ䛸䛾཯ᛂ 䜢฼⏝䛧䛯᪂䛯䛺ᨺᑕ⥺἞⒪䛾୍䛴䛷䛒䜛䚹䛜䜣䜢㑅ᢥⓗ䛻↷ᑕ䛷䛝䜛ᙉᗘኚㄪᨺᑕ⥺἞⒪䛺䛹䛾 㧗⢭ᗘᨺᑕ⥺἞⒪䛸ẚ䛧䛶ศᏊ䝺䝧䝹䛷䛜䜣⣽⬊䜢㑅ᢥⓗ䛻↷ᑕ䛩䜛䛣䛸䛜䛷䛝䜛䛯䜑䚸ᨺᑕ⥺᭷

ᐖ஦㇟䜢㍍ῶ䛷䛝䚸ᝈ⪅QOL䜢ྥୖ䛥䛫䜛ḟୡ௦䛜䜣἞⒪ἲ䛸䛧䛶኱䛝䛺ᮇᚅ䛜ᐤ䛫䜙䜜䛶䛔䜛䚹䜟 䛜ᅜ䛾ᇶ♏䞉⮫ᗋ◊✲䛾㐍Ṍ䛻䜘䜚䚸ୡ⏺䛻㄂䜛⮫ᗋᐇ⦼䜢ୖ䛢䜛䜘䛖䛻䛺䛳䛯䛜䚸ศᏊ䝺䝧䝹䛷䛜䜣

⣽⬊䜢㑅ᢥⓗ䛻↷ᑕ䛷䛝䜛≉ᚩ䜢᭱኱㝈䛻ᘬ䛝ฟ䛧䛶䛔䜛䛸䛿ゝ䛘䛪䚸᭦䛺䜛ᢏ⾡㠉᪂䛜ᮃ䜎䜜䛶䛔 䜛䚹

≉䛻䚸୰ᛶᏊ䝣䝹䜶䞁䝇䛸䛭䛾ศᕸ ᐃ䚸ཬ䜃䃒⥺䛾⥺㔞ศᕸ ᐃ䛿䚸BNCT 䛾ᢞ୚⥺㔞䛾Ỵᐃ 䜔᭷ຠᛶ䜢ホ౯䛩䜛䛯䜑䛻୙ྍḞ䛷䚸ᐇ㝿䛻἞⒪䜢⾜䛖ሙྜ䛾ရ㉁ಖド䛻䜒Ḟ䛛䛩䛣䛸䛜䛷䛝䛺䛔䚹 䛧䛛䛧䚸䛣䜜䜙䜢⡆᫆ⓗ䛻 ᐃ䛩䜛ᢏ⾡䛿ᮍ䛰◊✲㏵ୖ䛷䛒䜛䚹୍⯡ⓗ䛻ᨺᑕ⥺᳨ฟჾ䛿୰ᛶᏊ⥺

䛸䃒⥺䛾୧᪉䛻ឤᗘ䜢᭷䛧䚸୰ᛶᏊ䛾䜶䝛䝹䜼䞊䛾㐪䛔䛻䜘䛳䛶䜒᰾཯ᛂ䛜␗䛺䜛䛯䜑䚸䛭䛾ศ㞳  ᐃ䛿ᐜ᫆䛷䛿䛺䛔䚹≉䛻ศᕸ ᐃ䛷䛿䚸ᨺᑕ⥺᳨ฟჾ䛾ᵓ㐀䜔⤌ᡂ䛜」㞧䛺䛯䜑ᨺᑕ໬䜔ᩓ஘䛾 ᙳ㡪䛻䜘䜚᭦䛻ᅔ㞴䜢క䛖䚹䛭䛾䛯䜑䚸ᵓ㐀䛜༢⣧䛷⤌ᡂ䛾ᆒ୍ᛶ䜒㧗䛔ཷືᆺ䛾᳨ฟჾ䛻䜘䜛୰ᛶ Ꮚ䞉䃒⥺䛾ᘚู ᐃ䛸ศᕸ ᐃ䛜᭷ຊ䛺ゎỴἲ䛸䛺䜛䛜䚸⌧Ꮡ䛩䜛䜲䝯䞊䝆䞁䜾䝥䝺䞊䝖䜔䝷䝆䜸䜽䝻䝭 䝑䜽䝣䜱䝹䝮䛷䛿䚸⏝䛔䜛⤌ᡂ䛜㝈ᐃ䛥䜜䚸䛣䜜䜎䛷䛻䜒ᐇ⏝໬䛻⮳䜛᭷⏝䛺ᥦ᱌䛿䛺䛥䜜䛶䛔䛺䛔䚹

ᡃ䚻䛿䚸䛣䜜䜎䛷䛻୰ᛶᏊ⥺䞉䃒⥺䛾ΰᅾሙ䛻䛚䛔䛶୰ᛶᏊ䛸䃒⥺䛻ឤᗘ䜢᭷䛩䜛 Al2O3:Cr [1]䛸 䃒⥺䛻䛾䜏ឤᗘ䜢᭷䛩䜛 BeO 䛾⇕⺯ග≉ᛶ䜢⏝䛔䛯୰ᛶᏊ䞉䃒⥺ᘚู ᐃ䜢⾜䛳䛶䛝䛯䚹Al2O3:Cr 䛿䚸X ⥺䜔䃒⥺䛺䛹䛾ගᏊ䛻ᑐ䛧䛶⇕⺯ග䜢♧䛩䛣䛸䛿ሗ࿌䛥䜜䛶䛔䛯䛜䚸୰ᛶᏊ䛾 ᐃ䛻䛿⏝䛔䜙 䜜䛶䛔䛺䛛䛳䛯䚹䛧䛛䛧䚸²⁷Al䛾(n, 䃒)䛷⏕ᡂ䛥䜜䛯²⁸Al䛜䃑⁻ቯኚ䜢క䛖䛯䜑䚸䛭䛾䃑^䌦⥺䛾䜶䝛䝹䜼 䞊䛾䜋䜌඲䛶䜢 Al2O3:Cr 䛜྾཰䛧䛶䛔䜛䛣䛸䛜♧၀䛥䜜䛯䚹䛭䛾䛯䜑䚸䃒⥺䛰䛡䛷䛺䛟୰ᛶᏊ⥺䛻䜒 ឤᗘ䜢᭷䛩䜛䛣䛸䛜᫂䜙䛛䛻䛺䛳䛯䚹䛧䛛䛧䚸୰ᛶᏊ⥺䛸䃒⥺䜢ᘚู䛩䜛㝿䛻䛿䚸୰ᛶᏊ䛻ᑐ䛩䜛ឤᗘ 䛜㧗䛔䛣䛸䛜ᮃ䜎䛧䛟䚸Al2O3:Cr䜢ẕᮦᩱ䛸䛧䛯⇕⺯ගయ䛾୰ᛶᏊឤᗘ䜢ྥୖ䛥䛫䜛ㄢ㢟䛜ṧ䛥䜜䛯䚹 䛭䛣䛷䚸ᮏ⏦ㄳ䛷䛿䚸Al2O3:Cr䜢ẕᮦᩱ䛸䛧䛯⇕⺯ගయ䛻B䜢ῧຍ䛧䛶䚸୰ᛶᏊ䛻ᑐ䛩䜛㧗ឤᗘ໬

䜢ヨ䜏䛯䛾䛷ሗ࿌䛩䜛䚹

䛊౑⏝ᶵჾ䛋

䞉⇕⺯ග⣲Ꮚ䠖Al2O3:Cr䝉䝷䝭䝑䜽䠄༓ⴥ䝉䝷䠅 Al2O3:Cr (0.05wt%)

Al2O3:Cr (0.05wt%), ⁹B(0,05wt%) Al2O3:Cr (0.05wt%), ⁹B(0,05wt%) Al2O3:Cr (0.05wt%), ⁹B(0,05wt%) Al2O3:Cr (0.05wt%), ⁹B(0,05wt%)

䞉▼ⱥ䜺䝷䝇⟶ᑒධBeO:Na TLD䠄UD-170LS䚸ᯇୗ㟁ჾ䠅 䞉䜾䝻䞊᭤⥺ ᐃ⿦⨨

䞉㔠⟩ཬ䜃䜹䝗䝭䜴䝮䝣䜱䝹䝍 䞉U8ᐜჾ

䞉➃❆ᆺGMィᩘ⟶䠄NDE11001䚸ᐩኈ㟁ᶵ䠅

䞉LaBr3(Ce)䝅䞁䝏䝺䞊䝅䝵䞁᳨ฟჾ䠄LABR-1.5x1.5䚸CANBERRA䠅

䛊᪉ἲ䛋

䠍䠊↷ᑕయ⣔

UTR-KINKI䛾⅔ᚰ୰ኸ㒊䛻䚸10㽢10㽢0.7mm³䛾ྛ✀Al2O3:Cr 䝉䝷䝭䝑䜽䜢㈞䜚௜䛡䛯 U8ᐜჾ 䜢⅔ᚰ୰ኸ㒊䛻ᤄධ䛧䛯䚹䠄ᅗ䠍.䠅

U8ᐜჾ ᅗ1. ↷ᑕయ⣔

㻞㻚㻌 ⇕⺯ග ᐃ䝅䝇䝔䝮㻌 㻌

ᵓ⠏䛧䛯⢭ᐦ䜾䝻䞊᭤⥺䛾 ᐃ䝅䝇䝔䝮䜢ᅗ 㻞 䛻♧䛩䚹 ᐃ䝅䝇䝔䝮䛿䚸㻠㻡㻌㼙㼙㽢㻠㻡㻌㼙㼙 ゅ䛾≉ὀ 䝠䞊䝍䞊䛸䝣䜷䝖䞁䜹䜴䞁䝔䜱䞁䜾䝴䝙䝑䝖䠄㻴㼍㼙㼍㼙㼍㼠㼟㼡㻌㻼㼔㼛㼠㼛㼚㼕㼏㼟㻌㻼㼔㼛㼠㼛㼟㼑㼚㼟㼛㼞㻌㼙㼛㼐㼡㼘㼑㻌㻴㻝㻜㻣㻞㻞㻙㻝㻝㻜䠅䚸㞟 ග䝺䞁䝈䚸㉥እ⥺䜹䝑䝖䝣䜱䝹䝍䞊䚸 ᗘ䝁䞁䝖䝻䞊䝷䞊䠄㻿㻴㻵㻹㻭㻰㻱㻺㻌 㻲㻼㻞㻝㻌 㼜㼞㼛㼓㼞㼍㼙㼙㼑㼞䠅䚸ᬯ⟽䚸䝜䞊䝖 㻼㻯 䛛䜙ᵓᡂ䛥䜜䜛䚹᪼ ㏿ᗘ䛿䚸ᕷ㈍䛥䜜䛶䛔䜛 㼀㻸 䝸䞊䝎䞊䜘䜚䜒 㻟 ᱆䜋䛹㐜䛟䛩䜛䛣䛸䛜ྍ⬟䛷䛒 䜚䚸⢭ᐦ䛺 㼀㻸 䜾䝻䞊᭤⥺ゎᯒ䛜ྍ⬟䛷䛒䜛䚹௒ᅇ䛿䚸୰ᛶᏊ⥺䛻ᑐ䛩䜛⇕⺯ග≉ᛶ䜢ẚ㍑䛩䜛䛯䜑䚸

᪼ ㏿ᗘ䜢 㻜㻚㻝䉝䞉㼟^㻙㻝䛸⢭ᐦ䛺䜾䝻䞊᭤⥺䛾 ᐃ䜢⾜䛳䛯䚹 ᐃἼ㛗䛿䚸㻟㻜㻜㻌㼚㼙㻌 䛛䜙 㻣㻜㻜㻌㼚㼙 䛸䛧䛯䚹 㼀㻸 Ἴ㛗䛾 ᐃ䛷䛿䚸ᅗ䠍䛾䝣䜷䝖䞁䜹䜴䞁䝔䜱䞁䜾䝴䝙䝑䝖㒊䜢 㻴㼍㼙㼍㼙㼍㼠㼟㼡㻌㻼㻹㻭㻙㻝㻝㻌㼙㼡㼘㼠㼕㼏㼔㼍㼚㼚㼑㼘㻌㻯㻯㻰㻌

᧶^{ྛ✀㻌 ⇕⺯ග⣲Ꮚ}㻌

㻌

ᅗ 㻞㻚㻌 ⢭ᐦࢢ࣮ࣟ᭤⥺ ᐃࢩࢫࢸ࣒

䛊ᐇ㦂⤖ᯝሗ࿌䛋 䞉䜾䝻䞊᭤⥺㻌

ᅗ 㻞㻚㻌 䛻㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌 㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕䚸 㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕㻌 䛻 㼁㼀㻾㻙㻷㻵㻺㻷㻵 䛷 㻟 ᫬㛫↷ᑕ䛧 䛯᫬䠄୰ᛶᏊ䞉䃒⥺ΰᅾሙ䠅䛾䜾䝻䞊᭤⥺䜢♧䛩䚹㻌

䛔䛪䜜䛾⇕⺯ග⣲Ꮚ䜒䜾䝻䞊䝢䞊䜽 ᗘ䛿䚸⣙ 㻟㻜㻜䉝䛷䛒䜚㐪䛔䛿ぢ䜙䜜䛺䛛䛳䛯䚹㻌

ᅗ3. UTR-KINKI䛷3᫬㛫↷ᑕ䛧䛯᫬䛾Al2O3:Cr, ⁹B䛾䜾䝻䞊᭤⥺

䞉 ⇕⺯ගἼ㛗㻌

ᅗ 㻠㻚㻌 䛻 㻭㼘㻞㻻㻟㻦㻯㼞㻘㻌^㻥㻮 䛾⇕⺯ගἼ㛗䛸 ᗘ䛾㛵ಀ䜢♧䛩䚹⇕⺯ග䛾Ἴ㛗䛿䚸䛔䛪䜜䛾 ᗘ䛻

䛚䛔䛶䜒 㻯㼞^㻟㻗䛾㻌^㻞㻱㻌㻙㻌^㻠㻭㻞㻌 㑄⛣䛻ᇶ䛵䛟 㻢㻥㻟㻌㼚㼙 䛾Ⓨග䛜ᨭ㓄ⓗ䛷䛒䜚䚸㻮 䛾ῧຍ䛿⇕⺯ගἼ㛗 䛻ᙳ㡪䜢୚䛘䛺䛔䛣䛸䛜᫂䜙䛛䛻䛺䛳䛯䚹㻌

㻌 ᅗ 㻠㻚㻌㻭㼘㻞㻻㻟㻦㻯㼞㻘㻌^㻥㻮 䛾⇕⺯ගἼ㛗䠄↷ᑕ䠖㼁㼀㻾㻙㻷㻵㻺㻷㻵䠅㻌

㻌

䞉 ↷ᑕ᫬㛫䛸⇕⺯ග㔞㻌

ᅗ 㻡㻚䛻 㼁㼀㻾㻙㻷㻵㻺㻷㻵 䛷 㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌

㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕䚸㻭㼘㻞㻻㻟㻦㻯㼞㻌㻔㻜㻚㻜㻡㼣㼠㻑㻕㻘㻌^㻥㻮㻔㻜㻘㻜㻡㼣㼠㻑㻕㻌 䛻↷ᑕ䛧䛯᫬䛾↷ᑕ

᫬㛫䛸⇕⺯ග㔞䛾㛵ಀ䜢♧䛩䚹㻌

䛔䛪䜜䛾⇕⺯ග⣲Ꮚ䜒 㻥㻜 ศ䛛䜙 㻣㻞㻜 ศ䛻Ώ䛳䛶䚸⇕⺯ග㔞䛿↷ᑕ᫬㛫䛻ᑐ䛧䛶㧗䛔┤⥺ᛶ䜢

♧䛧䛯䚹䜎䛯䚸㻮 䛾ῧຍ㔞䛜ቑ䛘䜛䛻క䛔⇕⺯ග䛾ឤᗘ䛜పୗ䛧䛯䛣䛸䛛䜙䚸୰ᛶᏊ⥺䛸䃒⥺䛾䛹䛱 䜙䛛୍᪉䚸䜎䛯䛿䚸཮᪉䛻ᑐ䛩䜛⇕⺯ග≉ᛶ䜢పୗ䛥䛫䜛䛣䛸䛜᫂䜙䛛䛻䛺䛳䛯䚹௒ᚋ䛿䚸୰ᛶᏊ⥺

䛸䃒⥺䛭䜜䛮䜜䛻ᑐ䛩䜛 㻮 ῧຍ䛾ឤᗘ䜈䛾ᙳ㡪䜢ㄪ䜉䜛䚹㻌 㻌

Temperature/ Υ

W avelength/

䛊ཧ⪃ᩥ⊩䛋

[1]K. Shinsho, Y. Kawaji, S. Yanagisawa et al.䠖X-ray imaging using the thermoluminescent properties of commercial Al2O3 ceramic plates, Applied Radiation and Isotopes, 111䠖117-123, 2016

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䛊ᴗ⦼୍ぴ䛋㻌

䞉┾ṇίග䠈ྂሙ⿱௓䇾⇕⺯ග⥺㔞ィ䛾ㅖ≉ᛶ䛸ᛂ⏝◊✲䛾⤂௓䇿䠈ᨺᑕ⥺໬Ꮫ㻌 㻌 㻌 㻔㻝㻜㻟㻕㻌 㻝㻟㻙㻝㻥㻌 㻌 㻌 㻞㻜㻝㻣 ᖺ 㻡 ᭶㻌

䞉┦⃝ⱝዉ䠈䇾㼀㼙 ῧຍ 㻯㼍㻿㻻㻠 ⇕⺯ග⣲Ꮚ䜢⏝䛔䛯୰ᛶᏊ⥺䞉䃒⥺ΰᅾሙ䛷䛾ᘚู ᐃἲ䛾᳨ウ䇿䠈 㤳㒔኱Ꮫᮾி኱Ꮫ㝔ே㛫೺ᗣ⛉Ꮫ◊✲⛉ᨺᑕ⥺⛉Ꮫᇦ䠈㻞㻜㻝㻤 ᖺ 㻝 ᭶ 㻟㻜 ᪥㻌

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䛊Ꮫ⏕➼Ặྡ䝸䝇䝖䛋㻌 ᐇ㦂䞉 ᐃ⿵ຓ⪅㻌

㻌 㻌 㻌 ⋤㻌 Ⰻ㈼㻌 㻌 㻌 㻌 㻌 ᠱᕝ᫂㈉㻌 㻌 㻌 㻌 㻌 ᕝཱྀ⥡⨶䚻㻌 㻌 㻌 㻌 㻌 ᕤ⸨᳃ᾏ㻌

䠄ィ㻌 㻠 ྡ䠅㻌 㻌

㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌 㻌

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