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研究活動報告 44 !"#$%&'()*+,%-.&$/01234$56789

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45 ◊ ✲ ά ື ሗ ࿌研究活動報告

1.0 0.9 0.8 0.7 0.6

0.9 0.8 0.7 0.6

ᅗ1-1. 㟁Ꮚ䞉ศᏊ䜲䜸䞁ᙎᛶ⾪✺䛻䜘䜛ᚤศ

ᩓ஘᩿㠃✚䛾⾪✺㐠ື㔞౫Ꮡ

[1.1] C. Wang et al, to be submitted.

ᅗ2-1. HeཎᏊ䛾2ගᏊ䜲䜸䞁໬䛻䛚䛡䜛ග

㟁Ꮚゅᗘศᕸ䚹(㉥⥺: ᐇ㦂⤖ᯝ䚸㟷⥺: ⌮ ㄽィ⟬⤖ᯝ)

ᅗ2-2. HeཎᏊ䛾2ගᏊ䜲䜸䞁໬䛻䛚䛡䜛sἼ䛸dἼ䛾ᙉᗘẚ䠄ᕥ䠅䛸఩┦䝅䝣䝖䛾ᕪ䠄ྑ䠅䚹(㉥༳: ᐇ㦂⤖ᯝ䚸㯮༳: ⌮

2-3㽢10¹⁴ Wcm^-2

[2.1] K. L. Ishikawa and K. Ueda, Phys. Rev. Lett., 108, 033003 (2012).

[2.2] R. Ma et al., submitted.㻌

47 ◊ ✲ ά ື ሗ ࿌研究活動報告

ᅗ3-1. ከඖศග⿦⨨䛾ᶍᘧᅗ

XFEL䜢↷ᑕ䛧䛶ᚓ䜙䜜䜛䜲䜸䞁䛾౯

m䜎䛷䛾㞟ග䛜䛷䛝䛶䛔䛺䛔䛣䛸䛜

ᅗ3-2. 4.5 keV䠄ୖ䠅䛸5.5 keV䠄ୗ䠅䛾XFEL 䝟䝹䝇䛷䜲䜸䞁໬䛥䜜䛯XeཎᏊ䜲䜸䞁౯ᩘศᕸ

ᅗ3-3. 䝅䞁䜾䝹䝅䝵䝑䝖䜲䝯䞊䝆䞁䜾䚹ᕥ㻌Ag䝘䝜⢏Ꮚ䚸ྑ㻌LiMgNiO䝘䝜⢏Ꮚ䚹

_R- IL) / (IR + IL)

[4.1] K. Sakai et al., to be submitted.

ᅗ 㻠㻙㻞㻚㻌㻺㼑^㻗䛸㻺㼑^㻞㻗㻌䛸ྠ᫬ィ䛥䜜䛯㻺㼑㻌㻝㼟 ග 㟁Ꮚ䛾㠀ᑐ⛠ᛶ䝟䝷䝯䞊䝍䞊䛾䜽䝷䝇䝍䞊䝃䜲䝈౫Ꮡᛶ㻌

E

I _L I _R

Ne ⁺

ᅗ 㻠㻙㻝㻚㻌㻺㼑^㻗䛸㻺㼑^㻞㻗㻌䛸ྠ᫬ィ䛥䜜䛯㻺㼑㻌㻝㼟 ග 㟁Ꮚ䛾ᨺฟゅᗘศᕸ䚹ධᑕග䛾㟁Ẽ䝧䜽䝖䝹䛾ྥ䛝䛿Ỉᖹ᪉ྥ䚸㻺㼑^㻗㻌䛾ᨺฟ᪉ྥ䜢ྑྥ䛝䛸䛧䛶䛔䜛䚹

49 ◊ ✲ ά ື ሗ ࿌研究活動報告

(ICD; Interatomic

Coulombic Decay)

A) Ar2 + h ! Ar*(2p3/2-1

Ar*-Ar ! Ar⁺(3p^-2(¹D)3d ²D)-Ar + eAuger

-, Ar+-Ar ! 2Ar+(3p3/2-1

(~1.8 eV) B) Ar2 + h ! Ar*(2p3/2-1

3d)-Ar, Ar*-Ar ! Ar⁺(3p^-2(³P)4d)-Ar + eAuger

-, Ar+-Ar ! 2Ar+(3p3/2-1

(~1.6 eV) C) Ar2 + h ! Ar*(2p3/2-1

3d)-Ar, Ar*-Ar ! Ar⁺(3p^-2(¹D)4d)-Ar + eAuger

-, Ar+-Ar ! 2Ar+(3p3/2-1

[5.1] M. Kimura et al., to be submitted.

ドキュメント内研究業績・活動報告2011 (ページ 46-52)

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ᩍ ᤵ㻌 㻦ୖ⏣㻌 ₩㻌

ຓ ᩍ㻌 㻦ዟす㻌 䜏䛥䛝㻘㻌 ⚟⃝㻌 ᏹᐉ㻌

⏘Ꮫᐁ㐃ᦠ◊✲ဨ㻌 㻦ᮏᮧ㻌 ᖾ἞㻘㻌Ma Ri㻌 㻌 Ꮫ᣺እᅜே≉ู◊✲ဨ 㻦Mondal Subhendu㻌

኱ Ꮫ 㝔 ⏕㻌 㻦ᆏ஭㻌 ೺ኴ㑻䠄㻰䠏䠅䠈ᮌᮧ㻌 ⨾⣚䠄䠩䠍䠅㻌

஺ ᥮ ␃ Ꮫ ⏕㻌 䠖Wang Chuncheng㻌

㻌 㻌 㻌

ᮏ◊✲ศ㔝䛷䛿Ꮩ❧ཎᏊ䞉ศᏊ䞉䜽䝷䝇䝍䞊䛻䛚䛡䜛㟁ᏊศᏊ䝎䜲䝘䝭䜽䝇䛸ไᚚ䛻㛵䛩䜛◊✲άື䜢⾜䛳 䛶䛔䜛䚹2011 ᖺ䛾◊✲άື䛸䛧䛶䛿䚸௨ୗ䛾䜘䛖䛻ᴫᣓ䛥䜜䜛䚹

㻌

㸬ᙉගᏊሙ୰࡛ࡢ࣮ࣞࢨ࣮ບ㉳෌ᩓ஘㟁Ꮚศගἲ࡟ࡼࡿ㟁Ꮚ࣭ศᏊ࢖࢜ࣥᙎᛶ⾪✺ᩓ஘᩿㠃✚ࡢᐇ㦂

ⓗᢳฟ࡜⌮ㄽィ⟬࡜ࡢẚ㍑

㻌 ≀㉁䛾ᵓ㐀䜢Ỵᐃ䛩䜛䛯䜑䛻䚸ཎᏊ㛫㊥㞳䛸ྠ⛬ᗘ䛾Ἴ㛗䛾༢Ⰽ䠴⥺䜢⏝䛔䛯

⥺ᅇᢡ䛜䜘䛟⏝䛔䜙䜜䜛䚹

㏆ᖺ䚸ᵓ㐀ኚ໬䞉┦㌿⛣䜢㉳䛣䛧䛴䛴䛒䜛⣔䛾

⥺ᅇᢡ᫬ศ๭ ᐃ䛻ከ኱䛺㛵ᚰ䛜ᐤ䛫䜙䜜䛶䛔䜛䚹ᡃ䚻䛿䚸

⥺䛾௦䜟䜚䛻䚸㧗ᙉᗘ䛾䝺䞊䝄䞊䛷ㄏ㉳䛧䛯෌⾪✺㟁Ꮚ䜢⏝䛔䛯㟁Ꮚᩓ஘ᐇ㦂䜢⾜䛖䛣䛸䛷䚸ศᏊ䛾ᵓ㐀 ኚ໬䜢䝣䜵䝮䝖⛊䛾᫬㛫䝇䜿䞊䝹䛷ᤊ䛘䜛䛣䛸䜢┠ᶆ䛻◊✲䜢⾜䛳䛶䛔䜛䚹

㻌 ศᏊ䜢䝍䞊䝀䝑䝖䛸䛧䛯ᐇ㦂䛷䛿䚸෌ᩓ஘㟁Ꮚ䛾✵㛫㐠ື㔞ศᕸ䛿䝺䞊䝄䞊䛾೫ග᪉ྥ䠄=෌⾪✺㟁Ꮚ䛾⾪

✺᪉ྥ䠅䛻ᑐ䛧䛶ศᏊ䛜䛹䛾䜘䛖䛻㓄ྥ䛧䛶䛔䜛䛛䛻ᙉ䛟౫Ꮡ䛩䜛䚹ᚑ䛳䛶䚸Ẽ┦୰䛾䝷䞁䝎䝮䛻㓄ྥ䛧䛯ศᏊ 䛾ሙྜ䚸䛥䜎䛦䜎䛺㓄ྥ䛾ศᏊ䛷䛾㟁Ꮚ䛸ศᏊ䜲䜸䞁䛾ᙎᛶᩓ஘䛻䜘䜛෌ᩓ஘㟁Ꮚ㐠ື㔞ศᕸ䛾㔜䛽ྜ䜟䛫

䛸䛧䛶ほ 䛥䜜䜛䚹

㻌

ศᏊ䜢ᑐ㇟䛸䛧䚸ᵝ䚻䛺䝺䞊䝄䞊ᙉᗘ䛷෌ᩓ஘㟁Ꮚ䛾䠎 ḟඖ㐠ື㔞ศᕸ䜢 ᐃ䛧䛯[1.1]䚹ᅗ

ᅖ䛷ẚ㍑ⓗⰋ䛔୍⮴䜢♧䛩䛣䛸䛛䜙䚸㠀┤⥺ከཎᏊศᏊ䛻䛚 䛔䛶䜒ᙉගᏊሙ୰䛷䛾෌ᩓ஘㟁Ꮚ䛾

ḟඖ㐠ື㔞ศᕸ䛾 ᐃ䛛䜙㟁Ꮚ䞉䜲䜸䞁⾪✺ᚤศ᩿㠃✚䜢ぢ✚䜒䜛䛣䛸䛜ྍ⬟䛷䛒 䜛䛣䛸䜢♧䛧䛯䚹䛣䛾䛣䛸䛿䚸ศᏊᵓ㐀䛻㛵䛩䜛▱ぢ䜢ᮏᐇ㦂ᡭ ἲ䛷ᚓ䜛䛣䛸䛜ཎ⌮ⓗ䛻ྍ⬟䛷䛒䜛䛣䛸䜢♧䛧䛶䛔䜛䚹

ᮏ◊✲䛿㟁Ẽ㏻ಙ኱Ꮫ䛸⡿ᅜ䞉䝔䜻䝃䝇

✲䛷䛒䜛䚹

㻞㻚㻌 ᴟ⣸እ⮬⏤㟁Ꮚ䝺䞊䝄䞊䛻䜘䜛 㻴㼑 ཎᏊ䛾䠎ගᏊ䜲䜸䞁໬㐣⛬䛻㛵䛩䜛◊✲㻌 ᮏ◊✲䛷䛿䚸⌮໬Ꮫ◊✲ᡤ᧛☻◊✲ᡤ䛾ᴟ⣸እ⮬⏤㟁Ꮚ䝺

䞊䝄䞊䠄EUV-FEL䠅᪋タ䚸SCSS ヨ㦂ຍ㏿ჾ䜢⏝䛔䚸He ཎᏊ䛾䠎 ගᏊ䜲䜸䞁໬䛻䜘䜛ග㟁Ꮚゅᗘศᕸ䠄PAD䠅䜢

ィ⟬䛸㏿ᗘ

⏬ീᆺ㟁Ꮚศග䛻䜘䜚◊✲䛧䛯[2.1, 2.2]䚹

ᅗ

䛻

ཎᏊ䛻ගᏊ䜶䝛䝹䜼䞊20.3, 21.3, 23.0, 24.3 eV 䛾

ග䜢㞟ග䛧↷ᑕ䛧䛯㝿䛾

䜢♧䛩䚹䛣䛣䛷

䛿

ཎᏊ䛾᭱పບ㉳䜶䝛䝹䜼䞊䜘䜚䜒ప䛔䛾䛷䚸䛣䛾ගᏊ䜶䝛䝹 䜼䞊䛷䛿㠀ඹ㬆䠎ගᏊ䜲䜸䞁໬䛜㉳䛣䜚䚸21.3 䛸

䛿

ཎᏊ䛾

䛸

≧ែ䜈䛾ບ㉳䜶䝛䝹䜼䞊䛻┦ᙜ䛩䜛 䛾䛷ඹ㬆䠎ගᏊ䜲䜸䞁໬䛜㉳䛣䜛䚹䜎䛯

௜㏆䛻䛿

ཎ

Ꮚ䛾

≧ែ䛜ᐦ䛻Ꮡᅾ䛩䜛䚹FEL ග䛾㞟ගⅬ䛻䛚䛡䜛䝟

䝽䞊ᐦᗘ䛿⣙

䛷䛒䜛䚹㉥⥺䛿ᐇ㦂䚸㟷⥺䛿ィ

⟬䛻䜘䜚ᚓ䜙䜜䛯ศᕸ䛷䛒䜚䚸ᐇ㦂䛸ィ⟬䛾⤖ᯝ䛿Ⰻ䛟୍⮴䛧䛶 䛔䜛䚹PAD 䛿ගᏊ䜶䝛䝹䜼䞊䛻౫Ꮡ䛧䛶䛔䜛䛣䛸䛜ศ䛛䜛䚹

ᮏ◊✲䛷ᚓ䜙䜜䛯

䛿

Ἴ䛸

Ἴ䛾ᖸ΅䛻䜘䜛⤖ᯝ䛷䛒䜚䚸

Ἴ䛸

Ἴ䛾ᙉᗘẚ䠄W䠅䛚䜘䜃఩┦䝅䝣䝖䛾ᕪ䠄 䠅䛻䜘䛳䛶Ỵᐃ 䛥䜜䜛䚹ᅗ

䛻

䛛䜙ᢳฟ䛧䛯

䛸 䜢♧䛩䚹䛣䜜䜙䛾ゎᯒ 䛛䜙ඹ㬆䠎ගᏊ䜲䜸䞁໬䛸㠀ඹ㬆䠎ගᏊ䜲䜸䞁໬䛾➇த䛜ほ 䛥 䜜䛶䛔䜛䛣䛸䛜᫂䜙䛛䛻䛺䛳䛯䚹

ᮏ◊✲䛿䚸ᮾி኱Ꮫ䚸ி㒔኱Ꮫ䚸⌮໬Ꮫ◊✲ᡤ䚸㧗㍤ᗘග⛉

Ꮫ◊✲䝉䞁䝍䞊䚸䝗䜲䝒䚸䜸䝷䞁䝎䚸䝇䜴䜵䞊䝕䞁➼䛸䛾ᅜ㝿ඹྠ

◊✲䛷䛒䜛䚹

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ᩍ ᤵ㻌㻦ୖ⏣㻌 ₩㻌

ຓ ᩍ㻌㻦ዟす㻌䜏䛥䛝㻘㻌 ⚟⃝㻌 ᏹᐉ㻌

⏘Ꮫᐁ㐃ᦠ◊✲ဨ㻌㻦ᮏᮧ㻌 ᖾ἞㻘㻌Ma Ri㻌㻌 Ꮫ᣺እᅜே≉ู◊✲ဨ 㻦Mondal Subhendu㻌

኱ Ꮫ 㝔 ⏕㻌㻦ᆏ஭㻌 ೺ኴ㑻䠄㻰䠏䠅䠈ᮌᮧ㻌 ⨾⣚䠄䠩䠍䠅㻌

஺ ᥮ ␃ Ꮫ ⏕㻌䠖Wang Chuncheng㻌

㻌㻌㻌

ᮏ◊✲ศ㔝䛷䛿Ꮩ❧ཎᏊ䞉ศᏊ䞉䜽䝷䝇䝍䞊䛻䛚䛡䜛㟁ᏊศᏊ䝎䜲䝘䝭䜽䝇䛸ไᚚ䛻㛵䛩䜛◊✲άື䜢⾜䛳䛶䛔䜛䚹2011 ᖺ䛾◊✲άື䛸䛧䛶䛿䚸௨ୗ䛾䜘䛖䛻ᴫᣓ䛥䜜䜛䚹

䛸䛧䛶ほ䛥䜜䜛䚹

ᅖ䛷ẚ㍑ⓗⰋ䛔୍⮴䜢♧䛩䛣䛸䛛䜙䚸㠀┤⥺ከཎᏊศᏊ䛻䛚䛔䛶䜒ᙉගᏊሙ୰䛷䛾෌ᩓ஘㟁Ꮚ䛾

ḟඖ㐠ື㔞ศᕸ䛾 ᐃ䛛䜙㟁Ꮚ䞉䜲䜸䞁⾪✺ᚤศ᩿㠃✚䜢ぢ✚䜒䜛䛣䛸䛜ྍ⬟䛷䛒䜛䛣䛸䜢♧䛧䛯䚹䛣䛾䛣䛸䛿䚸ศᏊᵓ㐀䛻㛵䛩䜛▱ぢ䜢ᮏᐇ㦂ᡭ ἲ䛷ᚓ䜛䛣䛸䛜ཎ⌮ⓗ䛻ྍ⬟䛷䛒䜛䛣䛸䜢♧䛧䛶䛔䜛䚹

㻞㻚㻌 ᴟ⣸እ⮬⏤㟁Ꮚ䝺䞊䝄䞊䛻䜘䜛㻴㼑 ཎᏊ䛾䠎ගᏊ䜲䜸䞁໬㐣⛬䛻㛵䛩䜛◊✲㻌 ᮏ◊✲䛷䛿䚸⌮໬Ꮫ◊✲ᡤ᧛☻◊✲ᡤ䛾ᴟ⣸እ⮬⏤㟁Ꮚ䝺

ཎᏊ䛾᭱పບ㉳䜶䝛䝹䜼䞊䜘䜚䜒ప䛔䛾䛷䚸䛣䛾ගᏊ䜶䝛䝹䜼䞊䛷䛿㠀ඹ㬆䠎ගᏊ䜲䜸䞁໬䛜㉳䛣䜚䚸21.3 䛸

≧ែ䜈䛾ບ㉳䜶䝛䝹䜼䞊䛻┦ᙜ䛩䜛䛾䛷ඹ㬆䠎ගᏊ䜲䜸䞁໬䛜㉳䛣䜛䚹䜎䛯

⟬䛻䜘䜚ᚓ䜙䜜䛯ศᕸ䛷䛒䜚䚸ᐇ㦂䛸ィ⟬䛾⤖ᯝ䛿Ⰻ䛟୍⮴䛧䛶䛔䜛䚹PAD 䛿ගᏊ䜶䝛䝹䜼䞊䛻౫Ꮡ䛧䛶䛔䜛䛣䛸䛜ศ䛛䜛䚹

Ἴ䛾ᙉᗘẚ䠄W䠅䛚䜘䜃఩┦䝅䝣䝖䛾ᕪ䠄䠅䛻䜘䛳䛶Ỵᐃ 䛥䜜䜛䚹ᅗ

䛸䜢♧䛩䚹䛣䜜䜙䛾ゎᯒ 䛛䜙ඹ㬆䠎ගᏊ䜲䜸䞁໬䛸㠀ඹ㬆䠎ගᏊ䜲䜸䞁໬䛾➇த䛜ほ䛥䜜䛶䛔䜛䛣䛸䛜᫂䜙䛛䛻䛺䛳䛯䚹

㻌㻌㻌㻌㻌㻌㻌

㻟㻚㻌㼄 ⥺⮬⏤㟁Ꮚ䝺䞊䝄䞊䜢⏝䛔䛯ከඖศග㻌

⥺㡿ᇦ䛾䝺䞊䝄䞊䛿䚸⮬⏤㟁Ꮚ䝺䞊䝄䞊䛻䜘䛳䛶䛾䜏ᚓ䜛䛣䛸䛜䛷䛝䚸⌧ᅾ

䛾䜏䛜Ꮡᅾ䛧䛶䛔䜛䚹 ᮏ ◊ ✲ 䛷䛿 ⌮ ໬ Ꮫ ◊ ✲ ᡤ ᧛ ☻ ◊ ✲ ᡤ 䛻 ᘓ タ䛥䜜䛯

⥺➼䜢ྠ᫬䛻ィ䛩䜛᪂䛧䛔ከඖศග⿦⨨䜢㛤Ⓨ䛧䚸඲䛟 ᪂䛧䛔ศගἲ䛾☜❧䜢┠ᣦ䛩䜒䛾䛷䛒䜛䚹ᅗ

ᩘศᕸ䜢♧䛩䚹ほ䛥䜜䛯ศᕸ䛿䛣䜜䜎䛷ᨺᑕග➼䛷ほ䛥䜜䛶䛔䛯䜒䛾䛸䜋䜌୍⮴䛧䛯䚹䛣䛾䛣䛸䛛䜙䚸䜲䜸䞁᳨ฟ

ୖ䛿༑ศ䛻ほ䛥䜜䜛䛿䛪䛷䛒䛳䛯䠎ගᏊ㐣⛬䛜䜋䛸䜣䛹ほ䛥䜜䛺䛔䛾䛿䚸ᮏᐇ㦂䛷䛿䠴⥺ᙉᗘ䛜タィ್䛻㐩䛧䛶䛔䛺䛔䛣䛸䚸䛒䜛䛔䛿1

ཎᅉ䛸⪃䛘䜙䜜䜛䚹㟁Ꮚィ䛛䜙䜒䚸㟁Ꮚィ ⣔䛿タィ㏻

⥺᳨ฟჾ䛾ືస䝔䝇䝖䛸䛧䛶䚸㖟䜽䝷䝇䝍䞊➼䛾ヨᩱ䜢䜹䝥䝖䞁䝣䜱䝹䝮ୖ䛻ሬᕸ䛧䛯䜒䛾䜢䝩䝹䝎䞊䛻㍕䛫䚸䝅䝵䝑䝖䝞䜲䝅䝵䝑䝖䛾䠴⥺ᩓ஘䜢ほ䛧䛯䚹ᅗ

㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌㻌

䠐㻚㻌㻺㼑䜽䝷䝇䝍䞊䛻䛚䛡䜛㻺㼑㻌㻝㼟 ග㟁Ꮚᨺฟゅᗘศᕸ䛻㛵䛩䜛◊✲㻌

䜽䝷䝇䝍䞊䛻↔Ⅼ䜢ᙜ䛶䚸Ne 1s ග㟁Ꮚᨺฟ䛻䛴䛔䛶◊✲䛧䛯䚹

㧗䛔䚹Ne 䜽䝷䝇䝍䞊䝡䞊䝮䛿䚸㌾

⥺䛸ᆶ┤䛻஺䜟䜚䚸䛭䛾஺Ⅼ䜢ᣳ䜣䛷ྥ䛛䛔ྜ䛳䛶䜲䜸䞁䛸㟁Ꮚ䛾஧ḟඖ᳨ฟჾ䛜タ⨨䛥䜜䛶䛔䜛䚹᳨

ฟჾ䛻฿㐩䛧䛯㟁Ꮚ䛸䜲䜸䞁䛾఩⨨䛸᫬㛫䜢ィ䛩䜛䛣䛸䛻䜘䜚䚸㟁Ꮚ䛸䜲䜸䞁䛾୕ḟඖ㐠ື㔞䜢ᚓ䛯䚹

䛾㐠ື䜶䝛䝹䜼䞊ศᕸ䛛䜙䚸Ne

䛸ྠ᫬ィ䛥䜜䛯

ᨺฟ᪉ྥ䛿㟁Ẽ䝧䜽䝖䝹䛸ᖹ⾜䛷䛒䜚䚸Ne

䛻䚸㠀ᑐ⛠ᛶ䜢♧䛩ᣦᶆ䛸䛧䛶䚸(I

䛾䜽䝷䝇䝍䞊䝃䜲䝈౫Ꮡᛶ䜢♧䛩䚹䛣䛣䛷

䛿ᕥ༙ศ䛾✚⟬್䛷䛒䜛䚹䜽䝷䝇䝍䞊䝃䜲䝈䛜኱䛝䛟䛺䜛䜋䛹䚸ศᕸ䛾㠀ᑐ⛠ᛶ䜒኱䛝䛟䛺䛳䛶䛔䜛䚹Ne

ᡂ఩⨨䜢⪃៖䛩䜛䛸䚸ほ䛥䜜䛯㠀ᑐ⛠ᛶ䛿䚸ග㟁Ꮚ䛜䜽䝷䝇䝍䞊⾲㠃䛛䜙୰ᚰ㒊䜈ྥ䛡䛶ᨺฟ䛥䜜䛯᫬䛾䜽䝷䝇䝍䞊䛻䜘䜛 ᙎᛶᩓ஘䛻䜘䜛䜒䛾䛰䛸⪃䛘䜙䜜䜛䚹

Ꮫ◊✲䝉䞁䝍䞊➼䛸䛾ඹྠ◊✲䛷䛒䜛䚹㻌

I _L I _R

Ne ⁺

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