䝙䝳䞊䝖䞁ἲ
ື≉ᛶྠᐃἲ䛾䜰䜴䝖䝷䜲䞁
9‽㟼ⓗᛂᗘ䝰䝕䝹䛸䝕䝆䝍䝹ᛂᗘィ䛻䜘䜛ᛂᗘ䜢ẚ㍑䛧䛶 ㄗᕪ䜢ᐃ⩏
9ㄗᕪ䜢᭱ᑠ䛸䛩䜛ฟຊ౫ᏑᛂᗘಀᩘĮ P䛸➼ ᗘಀᩘĮ ITC䜢 䝙䝳䞊䝖䞁ἲ䛷⟬ฟ
9୰ᛶᏊィᩘ⋡n䛸෭༷ᮦᖹᆒ ᗘTc䛿 ᐃ್䜢ධຊ
ື≉ᛶྠᐃἲ⤖ᯝ䜎䛸䜑
12ື≉ᛶྠᐃἲ㐺⏝⤖ᯝ
9
ヨ㦂䠄2㼭䚸䠐㼭䚸䠒㼭ヨ㦂䠅䛾ᖹᆒ䜢⟬ฟ
9
䝕䝆䝍䝹ᛂᗘィ䛷⏝䛩䜛ື≉ᛶ䝟䝷䝯䞊䝍䛿
JAEA䛛䜙䛘䜙䜜䛯ᩘ್䜢
⏝
ĮP [(ԥk/k)/cps] ĮITC [(ԥk/k)/Υ]
-3.01㽢10-10
㼼0.20㽢10
-10 -2.79㽢10-5㼼0.06㽢10
-5 ITCᐃヨ㦂䛸ẚ㍑
9
᰾ຍ⇕䛿䛫䛪෭༷ᮦ䛾 ᗘ䜢ኚ䛥䛫䚸䛣䛾䛸䛝䛾ᛂᗘኚ䛛䜙䠥䠰䠟䜢 ᐃ
9 ITCᐇ ್䛿
-3.14㽢10-5㼼0.14㽢10-5[(ǻ㼗㻛㼗㻕㻛䉝㼉䠄෭༷ᮦ ᗘኚ䛜
199.9䉝
䡚
188.5䉝䛾ヨ㦂䜿䞊䝇䠅
ື≉ᛶྠᐃἲ䛻䜘䜛Į
ITC䛿ITC ᐃヨ㦂್䛻ẚ䜉⣙11%㐣ᑡホ౯
2cent-1 2cent-2 2cent-3 4cent-1 4cent-2 4cent-3 6cent-1 6cent-2 6cent-3 0.0E+00
4.0E-07 8.0E-07 1.2E-06
䝣䝣䜱䜱䝑䝑䝔䝔䜱䜱䞁䞁䜾䜾ㄗㄗᕪᕪ
䠥䠰䠟 ᐃヨ㦂್䛸䛾ᕪ␗䛾᳨ウ
ȡ x ȡ dt=
E
³
sim n test 2ㄗᕪ䛾ᐃ⩏
2䢜༳ຍヨ㦂䝕䞊䝍䛜᭱䜒‽㟼ⓗ᮲௳䛻㏆䛔䛯䜑䚸䝣䜱䝑䝔䜱䞁䜾⢭ᗘ䜒䜘䛔
2䢜༳ຍヨ㦂 ᛂᗘኚ 6䢜༳ຍヨ㦂 ᛂᗘኚ
2䢜༳ຍヨ㦂䝕䞊䝍䛻ᑐ䛩䜛ື≉ᛶྠᐃἲ⤖ᯝ
ĮP [(ԥk/k)/cps] ĮITC [(ԥk/k)/Υ]
-2.97㽢10-10
㼼0.08㽢10
-10 -2.87㽢10-5㼼0.01㽢10
-5 2䢜༳ຍヨ㦂䝕䞊䝍䛾ື≉ᛶྠᐃἲ⤖ᯝ
9
‽㟼ⓗ≧ែ䛻᭱䜒㏆䛔䠄䝣䜱䝑䝔䜱䞁䜾⢭ᗘ䛜᭱䜒Ⰻ䛔䠅䠎䢜༳ຍヨ㦂䝕 䞊䝍䛾䜏䛷ື≉ᛶྠᐃἲ䜢ᐇ
9
ື≉ᛶྠᐃἲ䛻䜘䜛ITC䛿ITC ᐃヨ㦂್䛻䛟䜙䜉⣙8.6%㐣ᑡホ౯
ITC ᐃヨ㦂
⅔ෆ ᗘኚ䛿୍ᵝ䚹 ᗘኚ䛜199.9Υ䡚188.5Υ䛾ヨ㦂䜿䞊䝇䛷䛾್
䝣䜱䞊䝗䝞䝑䜽ホ౯ヨ㦂
⅔ෆ ᗘ䛻ศᕸ䛜⏕䛨䜛䚹⅔ෆ ᗘ䛿200Υ௨ୖ䛻䛺䜛
ᕪ␗䛜⏕䛨䜛せᅉ䛿⅔ෆ ᗘ᮲௳䛾㐪䛔䛻䜘䜛䜒䛾䛛䠛
15
䠏䠊ື≉ᛶ䝟䝷䝯䞊䝍䛾ឤᗘゎᯒ
ឤᗘゎᯒ䛻䛴䛔䛶
9
䝕䝆䝍䝹ᛂᗘィ䛷⏝䛔䜛ື≉ᛶ䝟䝷䝯䞊䝍䛾ឤᗘ䜢ホ౯
-
䝨䝸䜸䝗ἲ䠄䝣䜱䞊䝗䝞䝑䜽䛾䛺䛔యᆺ䠅䛻ẚ䜉䚸ឤᗘ䛻㐪䛔䛜⌧䜜 䜛䛛䠛
9
᰾䝕䞊䝍䝷䜲䝤䝷䝸䛾ᕪ␗䛜ື≉ᛶྠᐃἲ䛾⤖ᯝ䛻䛘䜛ᙳ㡪ホ౯
+ȕȜC dt
dn n
= ȁ ȡ
= i
i
i ¸
¹
¨ ·
©
§
¦
61 i i n ȜiCi
ȁ
= ȕ dt
dC
䝕䝆䝍䝹ᛂᗘィ
ᐇᶵ䛾ᛂᗘኚ䜢⟬ฟ䛩䜛䛯䜑䛻䝕䝆䝍䝹ᛂᗘィ䜢⏝
17
ȕ ȕ ȕ ȕ ȕ ȕ Ȝ Ȝ Ȝ Ȝ Ȝ Ȝ -0.6
-0.4 -0.2 0.0 0.2 0.4 0.6 0.8
Į 3 Į ,7&
sensitivity
䠆ィ⟬䝟䝍䞊䞁䛿2centヨ㦂䛾⣔ิ1
9 ឤᗘ䛾ഴྥ䠄䠎⩌䛾ឤᗘ䛜䛝䛔䠅䛿䝨䝸䜸䝗ἲ䛸䜋䜌୍⮴
9 䝣䜱䞊䝗䝞䝑䜽䝞䝑䜽䛜⏕䛨䛶䛔䜛㛫㡿ᇦ䜘䜚䜒䚸༳ຍᛂᗘ䛾
䛝䛥䛜ᨭ㓄ⓗ䛻䛺䜛䛯䜑
ື≉ᛶ䝟䝷䝯䞊䝍䛾ឤᗘ
ື≉ᛶ䝟䝷䝯䞊䝍䛾సᡂ 18
9CBZ䠄ᮏ◊✲䛷㛤Ⓨ䛧䛶䛔䜛ỗ⏝᰾ィ⟬䝁䞊䝗䠅䛷ྛ䝷䜲䝤䝷 䝸䜢⏝䛔䛯䠒⩌ື≉ᛶᛶ䝟䝷䝯䞊䝍䜢⟬ฟ
9JAEAື≉ᛶ䝟䝷䝯䞊䝍䜢ᇶ‽䛸䛧䛶ᕪ䜢ẚ㍑
95⩌䚸6⩌䛷䛾ᕪ␗䛜䛝䛔
ȕ ȕ ȕ ȕ ȕ ȕ Ȝ Ȝ Ȝ Ȝ Ȝ Ȝ -40
-20 0 20 40 60
Tuttle JENDL- 4.0 (1 ' )% ď (1 ' )% ď
अ⢩ᙗəɱɩόɇᐞ⮠[%]
ȕ ȕ ȕ ȕ ȕ ȕ Ȝ Ȝ Ȝ Ȝ Ȝ Ȝ sum
-10 -8 -6 -4 -2 0 2 4 6
Tuttle JENDL4 ENDF7 ENDF7.1
Į3᧘ᇊᐞ⮠[%]
ĮP᥎ᐃᕪ␗
9᥎ᐃᕪ␗䠙ㄗᕪឤᗘ㽢ධຊ್ᕪ␗
9JAEAホ౯್䜢⏝䛔䛯ື≉ᛶྠᐃἲ⤖ᯝ䛸䛾᥎ᐃᕪ␗
9ȕ2
䛜ᨭ㓄ⓗ
ȕ ȕ ȕ ȕ ȕ ȕ Ȝ Ȝ Ȝ Ȝ Ȝ Ȝ sum
-10 -8 -6 -4 -2 0 2 4 6
Tuttle JENDL4 ENDF7 ENDF7.1
Į,7&᧘ᇊᐞ⮠[%]
ĮITC᥎ᐃᕪ␗
9᥎ᐃᕪ␗䠙ㄗᕪឤᗘ㽢ධຊ್ᕪ␗
9JAEAホ౯್䜢⏝䛔䛯ື≉ᛶྠᐃἲ⤖ᯝ䛸䛾᥎ᐃᕪ␗
9ȕ2
䛜ᨭ㓄ⓗ
䝕䝆䝍䝹ᛂᗘィ䛻䜘䜛ᛂᗘኚ䛾⟬ฟ 21
9 సᡂ䛧䛯ື≉ᛶ䝟䝷䝯䞊䝍䜢⏝䛔䛶䚸ᛂᗘኚ䜢ィ⟬
9 ไᚚᲬᘬ䛝ᢤ䛝┤ᚋ䛾ᛂᗘ䛻ᕪ䛜⏕䛨䜛
ᣑ
6㼭༳ຍヨ㦂䚸⣔ิ䠍䛷䛾ᛂᗘኚ
ྛ䝷䜲䝤䝷䝸䜢⏝䛔䛯ື≉ᛶྠᐃἲ⤖ᯝ 22
Tuttle JENDL-4.0 ENDF/B-䊦㻚㻜 ENDF/B-䊦㻚㻝 ITC [䠁㻛䉝㼉 -8.53E-03
㼼0.20E-03 -8.64E-03
㼼0.20E-03 -8.80E-03
㼼0.24E-03 -8.06E-03 㼼0.17E-03 Į P [$/CPS] -9.22E-08
㼼0.62E-08 -9.33E-08
㼼0.63E-08 -9.49E-08
㼼0.63E-08 -8.60E-08 㼼0.58E-08
9 JAEA
ホ౯್䛾⤖ᯝ䛸ẚ㍑䛧䛶㻱㻺㻰㻲㻛㻮䊦㻚
0䛜᭱䜒䛝䛟ホ౯ 䠄Į
P䛜
+4.1%䚸Į
ITC䛜
+4.1%䠅
9 JAEA
ホ౯್䛾⤖ᯝ䛸ẚ㍑䛧䛶㻱㻺㻰㻲㻛㻮䊦㻚㻌
1䛜᭱䜒ᑠ䛥䛟ホ౯
(Į P䛜
-5.9%䚸Į
ITC䛜
-5.7%)9
᥎ᐃᕪ␗䛾ഴྥ䛸䜋䜌୍⮴
9 ITC
ᐃヨ㦂䛷䛾 ᐃㄗᕪ䛿㼼
4.3%⛬ᗘ䛷䛒䜛
9
䝷䜲䝤䝷䝸䛾ᕪ䛜ື≉ᛶྠᐃἲ䛻䛘䜛ᙳ㡪䛿 ᐃㄗᕪ䛻ẚ䜉䛭䜜䜋 䛹䛝䛟䛺䛔
ື≉ᛶྠᐃἲ⤖ᯝ䠄䠁༢
䠅
䜎䛸䜑 23
⤖ᯝ
9
ື≉ᛶྠᐃἲ䜢䜒䜣䛨䜕䛾䝣䜱䞊䝗䝞䝑䜽ホ౯ヨ㦂䝕䞊䝍䛻㐺⏝䛩䜛䛣 䛸䛻䜘䛳䛶䚸ฟຊ౫ᏑᛂᗘಀᩘĮ
P䛸➼ ᗘಀᩘĮ
ITC䜢⟬ฟ䛧䛯䚹
9ື≉ᛶྠᐃἲ䛾Į
ITC䛿
ITCᐃヨ㦂್䛸ẚ㍑䛧䛶
8.6%ᑠ䛥䛔䚹
9