෺ཧ‫ࣨڭ‬೥࣍ใࠂॻ
ฏ੒̏̌೥౓

̎̌̍̕೥݄̏
‫۝‬भେֶେֶӃཧֶ‫ڀݚ‬Ӄ෺ཧֶ෦໳

࣮‫֩ݧ‬෺ཧ‫ߏࣨڀݚ‬੒һ৿ాߒհ ‫ڭ‬तए‫ڱ‬ஐ࢚ ‫ڭ‬तࣉ੢ߴ ।‫ڭ‬तࡔ‫ޱ‬૱ࢤ ।‫ڭ‬त౻ా‫܇‬༟ ॿ‫ڭ‬‫৻ڷ‬ଠ࿠ ॿ‫ڭ‬‫ؠ‬ଜཾయ ٕज़৬һ!! ത࢜‫ڀݚ‬һ ""࿯ࢁ޿ฏ (ಛ೚ॿ‫ڭ‬, RCSHE)

଍ཱஐ (RCSHE)

ాத੟ਉ (RCSHE)!! େֶӃ ത࢜՝ఔ ""ాதହ‫و‬

ఉ੉‫ོڿ‬!! େֶӃ म࢜՝ఔ ""ೖ෦߂ଠ࿠େ৓‫ٱ‬య

‫ޙ‬౻लฌ

ᜊ౻‫෉ھ‬

ࡔ౦‫ޔܚ‬

ਅ෦݈ଠີຊී࣏ழ໺‫ݩ‬େथ

ּ‫ݪ‬൲ಸࡔҪलॆനࡔ࿨໵຤઒‫ܚ‬ӳ

!! ֶ෦ ଔ‫ڀݚۀ‬ੜ ""௕ాᣈࢠ‫ٱ‬อେࢤ

ࡔ໦ॏਔ

಺౻Նथ

඿໺༑࠸

౦ ੟ਓ

ฏ઒‫ܒو‬ଜ্ҮేฏҐ༐ຏ୲౰त‫ۀ‬
෺ཧֶθϛφʔϧʢ৿ాߒհɾࣉ੢ߴʣɺ෺ཧֶೖ໳ IIʢ৿ాߒհʣɺྗֶɾಉԋश(ए‫ڱ‬ஐ࢚)ɺ‫֩ࢠݪ‬෺ཧֶ (ए‫ڱ‬ஐ࢚)ɺ෺ཧֶ֓࿦ A(ࣉ੢ߴ)ɺ‫֩ࢠݪ‬ɾߴΤωϧΪʔ࣮‫ࣉ( ֶݧ‬੢ߴ)ɺ࠷ઌ୺෺ཧֶ (৿ాߒհɺࣉ੢ߴ)ɺ‫װج‬෺ཧ IA ԋश (ࡔ‫ޱ‬૱ࢤ)ɺ‫ج‬‫װ‬෺ཧ IB ԋश (ࡔ‫ޱ‬૱ࢤɺ‫৻ڷ‬ଠ࿠)ɺ෺ཧֶ૯߹࣮‫ݧ‬ʢ౻ా‫܇‬༟ɺ‫৻ڷ‬ଠ࿠ɺࡔ‫ޱ‬૱ࢤʣɺࣗવՊֶ૯߹࣮‫ݧ‬ʢࣉ੢ߴʣ
‫ڀݚ‬ɾ‫ڭ‬ҭ໨ඪͱ੒Ռ
௒ॏ‫ݩ‬ૉ֩ͷ༥߹োน෼෍ͷ‫( ڀݚ‬ఉ੉‫ོڿ‬ɺాதହ‫و‬ɺ಺౻Նथɺాத੟ਉɺ౻ా‫܇‬༟ɺ‫৻ڷ‬ଠ࿠ɺࡔ‫ޱ‬૱ࢤɺ৿ాߒհ)௒ॏ‫ݩ‬ૉ߹੒ʹ༻͍ΒΕΔม‫ܗ‬ΞΫνϊΠυ֩Λ‫ؚ‬Ή༥߹൓Ԡͷোน෼෍ΛཧԽֶ‫ݚ‬‫ͯʹॴڀ‬ଌఆͨ͠ॏ‫ݩ‬ૉ֩ؒͷ४஄ੑࢄཚσʔλ͔Βಋग़͠ɺোน෼෍ͷ޿͕Γͷઆ49໌ʹ֩ͷม‫ʹܗ‬ΑΔޮՌ͕ॏཁͳ໾ׂΛՌͨ͢͜ͱΛࣔͨ͠ɻ͞ΒʹɺಘΒΕͨোน෼෍͔Β୹࣠ଆɾ௕࣠ଆ͔ΒͷিಥʹରԠ͢ΔೖࣹΤωϧΪʔΛಉఆ͠ɺৠൃ࢒ཹ֩
ੜ੒அ໘ੵͷΤωϧΪʔґଘੑͱൺֱ͢Δ͜ͱʹΑΓɺ͍ܰྖҬʹ͓͍ͯࣔࠦ͞Ε͍ͯͨ୹࣠ଆ͔Βͷিಥʹ͓͚Δஅ໘ੵͷ૿େΛੈքͰॳΊͯ௚઀తʹ‫ͨ͠ূݕ‬ɻ·ͨɺ࣮‫ݧ‬తʹಘΒΕΔ༥߹োน෼෍͔Βະ஌ͷ‫ܥ‬ͷ༥߹൓Ԡʹ͓͚Δ࠷దΤωϧΪʔΛਪఆ͢Δख๏ΛఏҊͨ͠ɻ͜ΕΒͷ஌‫ݟ‬͸ୈ 8 प‫ظ‬ͷ৽‫ݩ‬ૉ߹੒ʹ͓͚Δ࣮‫ݧ‬৚݅ͷܾఆʹେ͖ͳߩ‫ݙ‬ΛՌͨ͢ͱ‫ظ‬଴͞ΕΔɻ
·ͨɺ‫۝‬भେֶՃ଎‫ث‬ɾϏʔϜԠ༻Պֶηϯλʔʹ͓͍ͯɺܰ֩Ͱ͋ΔϦν΢Ϝͱόφδ΢Ϝͷ४஄ੑࢄཚΛଌఆ͠ɺোน෼෍Λಋग़ͨ͠ɻಘΒΕͨ݁ՌΛνϟωϧ݁߹‫ͱࢉܭ‬ൺֱ͠ɺόφδ΢Ϝͷྭ‫ى‬ঢ়ଶͳͲͱͷ݁߹ʹΑΔӨ‫ڹ‬Λٞ࿦ͨ͠ɻ
௒ॏ‫ݩ‬ૉ֩ͷ࣭ྔଌఆ (ఉ੉‫ོڿ‬ɺ৿ాߒհ)‫֩ࢠݪ‬ͷ࣭ྔ͸֩छ‫ݻ‬༗ͷ෺ཧྔͰ͋ΔͨΊɺਫ਼ີͳ࣭ྔଌఆʹΑͬͯͦͷ Z ͱ A Λ௚઀ࣝผ͢Δ͜ͱ͕Ͱ͖ΔɻͦͷͨΊɺ೤͍༥߹൓ԠͰ࡞ΒΕΔ֩छͷΑ͏ʹɺ่յ࿈࠯͕ࣗൃ֩෼྾౳ʹΑͬͯ‫ط‬஌ͷ֩΁୧Γண͔ͳ͍Α͏ͳಉҐମͰ͋ͬͯ΋Ұҙͳ֩छಉఆΛߦ͏͜ͱ͕Ͱ͖ΔɻཧԽֶ‫Ͱॴڀݚ‬͸‫ؾ‬ମॆర‫ܕ‬൓௓෼཭૷ஔ GARIS-II ͱଟॏ൓ࣹ‫ܕ‬ඈߦ࣌ؒଌఆ࣭ࣜྔ෼ޫ‫ ث‬MRTOF Λ༻͍ͨ୹ण໋֩ͷ࣭ྔଌఆΛߦ͓ͬͯΓɺ‫ࡏݱ‬͸௒ॏ֩ͷਫ਼ີ࣭ྔ෼ੳΛ໨ࢦͯ͠‫ڀݚ‬։ൃΛߦ͍ͬͯΔɻຊ೥౓͸ɺཧԽֶ‫ॴڀݚ‬ͷ E6 ΁Ҡઃͨ͠ MRTOF γεςϜͷ࠶ߏஙΛߦͬͨɻ·ͨɺࡢ೥౓ʹ։ൃͨ͠ɺ‫֩ࢠݪ‬ͷ࣭ྔͱͦͷ่յΛ૬ؔ‫ܭ‬ଌͰ͖Δֵ৽తͳ‫ݕ‬ग़‫ث‬ɺα-ToF Λ MRTOF
΁ͱΠϯετʔϧ͠ɺॳͷΦϯϥΠϯ࣮‫ݧ‬Λ݄̍̎ʹߦͬͨɻίϛογϣχϯάͷ݁
Ռɺ207 Ra ͷਫ਼ີ࣭ྔͱͦΕʹ૬่ؔͨ͠յࣄ৅ͷ‫؍‬ଌʹ੒ޭ͠ɺಘΒΕ࣭ͨྔܽଛ஋
͸ AME2016 ʹ‫͞ࡌه‬Ε͍ͯΔจ‫ݙ‬஋ͱҰக͍ͨɻ·ͨඈߦ࣌ؒͱ่յࣄ৅ͷ͔࣌ؒࠩΒ൒‫ظݮ‬ͷಋग़ʹ΋੒ޭ͓ͯ͠Γɺͪ͜Β΋จ‫ݙ‬஋Λࢧ࣋͢Δ݁Ռ͕ಘΒΕͨɻ·ͨɺ֩෼ޫֶతʹ‫ݕ‬ग़‫ث‬Λ࢖༻ՄೳͰ͋Δ͜ͱ΋ࣔࠦ͞ΕͨɻҎ্ͷ݁ՌΑΓɺα-ToF
Λ༻͍ͯ‫֩ࢠݪ‬ͷਫ਼ີͳ࣭ྔͱ่յಛੑͷ૬ؔଌఆ͕ՄೳͰ͋Δ͜ͱ͕࣮‫ݧ‬తʹࣔ͞Εɺ௒ॏ͚֩ͩͰͳ͘ɺα ่յΛ͢Δॏ֩શൠͷ࣭ྔଌఆʹ͓͍ͯɺத֩తͳ໾ׂΛՌ
ͨͤΔੑೳΛ༗͍ͯ͠Δ͜ͱ͕͔֬ΊΒΕͨɻ

119 ൪৽‫ݩ‬ૉࣝผͷͨΊͷσʔλղੳख๏ͷߏங (ଜ্Үేɺ‫৻ڷ‬ଠ࿠ɺాத੟ਉɺࡔ
‫ޱ‬૱ࢤɺ৿ాߒհ)ୈ 8 प‫ظ‬ͷ‫ݩ‬ૉͷൃ‫ݟ‬Λ໨ࢦ͠ɺ౰‫ࣨڀݚ‬͸ཧԽֶ‫ॴڀݚ‬΍ΦʔΫϦοδࠃཱ‫ͱॴڀݚ‬‫ڞ‬ಉͰɺ51 V+248 Cm ༥߹൓ԠΛ༻͍ͨ 119 ൪‫ݩ‬ૉͷ߹੒࣮‫ݧ‬ΛਐΊ͍ͯΔɻ͜ͷ࣮‫ݧ‬ʹ͓͍ͯ͸ɺ๲େͳσʔλͷத͔Βඇৗʹ‫ࣄͳك‬৅Λޮ཰త͔ͭߴ͍֬౓Ͱࣝผ͢Δ
ඞཁ͕͋Δɻͦ͜Ͱզʑ͸ɺֱਖ਼σʔλͰ͋Δ 51 V+159 Tb σʔλதʹ‫·ؚ‬ΕΔ่յ‫ܥ‬50ྻΛ༻͍ͯղੳख๏Λߏஙɾ‫͠ূݕ‬ɺ119 ൪‫ݩ‬ૉࣝผ༻ͷղੳख๏ͷཱ֬Λ໨ࢦ͍ͯ͠
Δɻຊख๏ʹ͓͍ͯ͸ɺγϦίϯ‫ݕ‬ग़‫ ث‬DSSD ͷಉ͡ετϦοϓʹ͓͍ͯ࿈ଓͯ͠‫ݕ‬ग़͞Εͨ̎ຊͷ α ઢͷΤωϧΪʔͷ 2 ࣍‫ݩ‬૬ؔΛͱΓɺετϦοϓ൪߸ɺΤωϧΪʔɺ࣌ؒࠩΛநग़‫ޙ‬ɺΤωϧΪʔͱ൒‫͔ظݮ‬Βଥ౰ͳ΋ͷΛ୳ࡧ͢Δɻར఺ͱͯ͠͸ɺղੳͷॳஈ֊Ͱ‫ݶ‬ΒΕͨ৘ใʢ̎ͭͷ α ઢͷΤωϧΪʔʣΛ༻͍ͯσʔλͷબผΛߦ͏ͨΊɺղੳ଎౓͕଎͘ɺखֻ͔ΓΛ‫͚ͭݟ‬΍͍͢఺͕‫͛ڍ‬ΒΕΔɻσʔλதʹ‫·ؚ‬ΕΔ 202 Rn ͷ่յࣄ৅ղੳ͔Β൒‫ظݮ‬Λಋग़ͨ͠ͱ͜Ζɺจ‫ݙ‬஋ͱ൒‫ظݮ‬ͷ‫Ͱ಺ࠩޡ‬Ұக͠ɺղੳख๏ͷଥ౰ੑ͕ࣔ͞Εͨɻຊख๏͸ 119 ൪‫ݩ‬ૉ߹੒࣮‫ݧ‬ͷσʔλղੳʹ΋ద༻ՄೳͰ͋Γɺ͔ͭղੳ଎౓ʹ༏ΕΔɻ͜ͷར఺Λੜ͔͠ɺཧԽֶ‫͚͓ʹॴڀݚ‬Δ࣮‫ݧ‬ͷΦϯϥΠϯղੳʹద༻͢Δ͜ͱΛ‫ܭ‬ը͍ͯ͠Δɻ
6,7

Li+51 V ४஄ੑࢄཚଌఆʹΑΔޫֶϙςϯγϟϧͷ࣮‫ݧ‬తܾఆ (ਅ෦݈ଠɺฏ઒‫و‬‫ܒ‬ɺ౻ా‫܇‬༟ɺాத੟ਉɺ࿯ࢁ޿ฏɺ‫৻ڷ‬ଠ࿠ɺࡔ‫ޱ‬૱ࢤɺ৿ాߒհ)௒ॏ‫ݩ‬ૉ߹੒ͷͨΊͷೖࣹϏʔϜΤωϧΪʔΛਪఆ͢ΔͨΊʹ͸ɺਫ਼ີͳޫֶϙςϯγϟϧΛೖྗύϥϝʔλͱ͠ɺ༥߹োน෼෍Λཧ࿦‫͢ݱ࠶Ͱࢉܭ‬Δ͜ͱ͕ॏཁͰ͋ΔɻҰํɺॏ‫ݩ‬ૉ֩ؒͷޫֶϙςϯγϟϧ͸ཻܰࢠྖҬ͔Βͷ‫ݧܦ‬ଇ΍֎ૠʹΑܾͬͯఆ͞Ε͓ͯΓ (େҬతޫֶϙςϯγϟϧ)ɺෆఆੑͷେ͖ͳ෦෼Ͱ͋ͬͨɻͦ͜Ͱຊ‫Ͱڀݚ‬͸ɺ஄ੑࢄཚஅ໘ੵͷ֯෼෍ଌఆʹΑΓɺ൓Ԡ‫ʹܥ‬ಛ༗ͳ‫ॴہ‬తޫֶϙςϯγϟϧΛ
ܾఆ͢Δ͜ͱΛ໨తͱͨ͠ɻෳ਺֯౓ʹ͓͍ͯࢄཚཻࢠΛಉ࣌ଌఆՄೳͳγϦίϯ‫ݕ‬ग़‫ܥث‬Λ։ൃ͠ɺ6,7 Li+51 V ஄ੑࢄཚଌఆΛλϯσϜՃ଎‫ث‬Λ༻͍ͯߦͬͨɻଌఆσʔλΛ࠶‫͢ݱ‬ΔΑ͏ͳޫֶϙςϯγϟϧͷύϥϝʔλΛΧΠೋ৐๏ʹΑΔϑΟοςΟϯά
ʹΑΓܾఆ͠ɺνϟωϧ݁߹‫ࢉܭ‬Λߦͬͨɻ݁ՌΛઌߦ‫ʹڀݚ‬ΑΔ༥߹োน෼෍ͷଌఆ஋ͱൺֱͨ͠ͱ͜ΖɺσʔλΛ࠶‫͢ݱ‬ΔΑ͏ͳޫֶϙςϯγϟϧͷύϥϝʔλ͕‫ޡ‬ࠩ಺ʹଘࡏ͢Δ͜ͱ͕෼͔ͬͨɻ͜ͷ݁Ռ͸ɺେҬతޫֶϙςϯγϟϧͰ͸આ໌Ͱ͖ͳ͔ͬͨ༥߹োน෼෍Λɺ࣮‫ݧ‬తʹܾఆͨ͠‫ॴہ‬తޫֶϙςϯγϟϧΛ༻͍ͯ࠶‫Ͱݱ‬
͖ΔՄೳੑ͕͋Δɺͱ͍͏͜ͱΛ͍ࣔͯ͠ΔɻॏΠΦϯ‫ݕ‬ग़༻ MCP-ToF ‫ݕ‬ग़‫ث‬ͷ։ൃͱ ToF-ERDA ๏ʹΑΔੑೳධՁ (ࡔ౦‫ܚ‬‫ޔ‬ɺ౻ా‫܇‬༟ɺ‫৻ڷ‬ଠ࿠ɺࡔ‫ޱ‬૱ࢤɺాத੟ਉɺ৿ాߒհ)ཻࢠͷඈߦ࣌ؒଌఆ͸࣮‫֩ݧ‬෺ཧʹ͓͚Δ࠷΋‫ج‬ຊతͳٕज़ͷҰͭͰ͋Δ͕ɺ‫ݕ‬ग़‫ث‬தͰͷඈఔͷ୹͍௿ΤωϧΪʔॏΠΦϯʹ͍ͭͯͷଌఆ͸ࠔ೉Ͱ͋Δɻ͜ͷଌఆΛՄೳͱ
͢ΔͨΊɺۙ೥‫ۃ‬Ίͯখ͞ͳ෺࣭ྔͰλΠϛϯάΛଌఆͰ͖Δ MCP-ToF ‫ݕ‬ग़‫ث‬ͷ։ൃ͕ਐΊΒΕ͍ͯΔɻຊ‫Ͱڀݚ‬͸ɺ‫۝‬भେֶͰ MCP-ToF ‫ݕ‬ग़‫ث‬Λ։ൃ͠ɺλϯσϜՃ଎‫ࢪث‬ઃʹ͓͍ͯɺ‫ݻ‬ମࡐྉͷද໘‫ݩ‬ૉɾ૊੒෼ੳख๏Ͱ͋Δ஄ੑ൓௓ཻࢠ‫ݕ‬ग़෼ੳ๏(ToF-ERDA) Λ։ൃ͢Δ͜ͱΛ໨తͱͨ͠ɻ૷ஔͷ։ൃʹ͓͍ͯ͸ɺϫΠϠʔ‫ר‬ઢ‫ث‬51Λ੡࡞͠ɺೋ࣍ిࢠ์ग़ບʹ Al Λৠண͠ɺΨε‫ݕ‬ग़‫ث‬γϛϡϨʔλ Garfield Λ༻͍֤ͯి‫ۃ‬ͷ࠷దͳిҐΛܾఆͨ͠ɻΦϑϥΠϯࢼ‫ݧ‬ͷ‫ޙ‬ɺຊ‫ݕ‬ग़‫ث‬Λ ToF-ERDA ๏ʹΑΔࢼྉ෼ੳ࣮‫ʹݧ‬ద༻͠ɺλϯσϜՃ଎‫ث‬Λ༻͍ͯςετ࣮‫ݧ‬ΛߦͬͨɻYBa2 Cu3 O7Λࢼྉͱͯ͠ɺ50MeV ͷ 127 I ϏʔϜΛরࣹ͠൓௓ཻࢠͷ෼ੳΛߦͬͨɻ൓௓ཻࢠͷඈߦ࣌ؒͱΤωϧΪʔͷ૬͔ؔΒɺ։ൃͨ͠‫ݕ‬ग़‫ث‬͸ॏΠΦϯʹରͯ͠ͷ࣭ྔ෼ղೳ͕
े෼ʹ͋Γɺ͞Βʹਂ͞ํ޲ͷ෼෍Λ୳Δ͜ͱ͕ՄೳͰ͋Δ͜ͱΛ֬ೝͨ͠ɻ͜ΕʹΑΓ‫۝‬भେֶʹ͓͚Δ ToF-ERDA ๏͕࣮‫ݱ‬ՄೳͰ͋Δ͜ͱΛ࣮ূͨ͠ɻ
ϒϥοάΧʔϒ‫ݕ‬ग़‫ث‬Λ༻͍ͨ௒ॏ֩ͷ‫ࢠݪ‬൪߸ଌఆ (ᜊ౻‫෉ھ‬ɺ౻ా‫܇‬༟)

119 ൪‫ݩ‬ૉΛ͸͡Ίͱ͢Δ৽‫ݩ‬ૉ୳ࡧ࣮‫͍͓ͯʹݧ‬͸ɺ༥߹൓ԠͰੜ੒ͨ͠ৠൃ࢒ཹ
֩ͷ‫ࢠݪ‬൪߸ (Z) Λɺैདྷͷ α ่յ࿈࠯Λ‫ط‬஌֩·ͰͨͲΔͱ͍͏ؒ઀ख๏ʹ୅Θͬͯɺ௚઀ଌఆ͢Δख๏ͷ։ൃ͕‫ٻ‬ΊΒΕ͍ͯΔɻΠΦϯ͕ΨεதΛ௨ա͢Δࡍʹࣦ͏ΤωϧΪʔͷۭؒ෼෍ (ϒϥοάΧʔϒ) ͸ Z ʹහ‫ͳײ‬෺ཧྔͰ͋ΔͨΊɺ͜ΕΛిՙͷ࣌ؒ৘ใͱͯ͠ಘΔ͜ͱͷग़དྷΔɺϒϥοάΧʔϒ‫ݕ‬ग़‫ث‬Λ։ൃͨ͠ɻઃ‫ʹܭ‬͸ɺ‫ܭ‬ࢉίʔυ Gmsh, Elmer Λ༻͍ͯϝογϡ‫ిͼٴ‬৔‫ࢉܭ‬Λߦͬͨ‫ޙ‬ɺΨε‫ݕ‬ग़‫ث‬γϛϡϨʔγϣϯίʔυ Garfield++Λ༻͍ͯߦͬͨɻ৽‫ݩ‬ૉ୳ࡧ࣮‫ݧ‬ͷΑ͏ʹɺೖཻࣹࢠ͕

1.5MeV/u ҎԼͷ௿ΤωϧΪʔΠΦϯͷ৔߹͸ϒϥοάϐʔΫͷߴ͕͞ೖࣹΤωϧΪʔʹґଘ͢ΔͨΊɺैདྷߦΘΕ͖ͯͨ 2 ͭͷγΣʔϐϯάΞϯϓΛ༻͍Δಡग़͠๏Ͱ͸Z ͷࣝผೳྗ͕௿Լ͢Δɻͦ͜Ͱɺຊ‫ݕ‬ग़‫ث‬ͷಡग़͠ճ࿏ʹ͸ FADC Λ༻͍ͨσδλϧ೾‫ܗ‬ಡग़͠Λߦ͍ɺϒϥοάΧʔϒશମΛऔಘ͢Δ͜ͱͰ Z ͷ෼཭ೳྗΛ޲্ͤͨ͞ɻ‫۝‬େλϯσϜՃ଎‫͔ث‬ΒͷϤ΢ૉϏʔϜͱ Z=50 ۙ๣ͷඪతͱͷ஄ੑࢄཚΛͨ͠൓௓ΠΦϯΛ༻͍ɺ1.0MeV/u ҎԼͷॏΠΦϯʹରͯ͠ϒϥοάΧʔϒͷଌఆʹॳΊͯ੒ޭͨ͠ɻ஗ൃதੑࢠඈߦ࣌ؒଌఆ๏ʹΑΔೋॏຐ๏਺֩ 78 Ni ͷ‫৻ڷ( ڀݚ‬ଠ࿠)ཅࢠͱதੑࢠͷ਺͕Ξϯόϥϯεͳෆ҆ఆ֩ʹ͓͍ͯɺ҆ఆ֩Ͱߟ͑ΒΕ͖ͯͨຐ๏
਺͕ҡ࣋͞ΕΔͷ͔͸ࣗ໌Ͱ͸ͳ͘ɺۙ೥ͷ‫ߏ֩ࢠݪ‬଄‫ڀݚ‬ͷ‫ڵ‬ຯͷͻͱͭͱ͍͑Δɻ
‫͕֩ࢠݪ‬ಛʹ҆ఆͱͳΔೋॏຐ๏਺Λ࣋ͭ‫ ֩ࢠݪ‬78 Ni ͸ෆ҆ఆ֩ྖҬʹଘࡏ͢Δ͕ɺͦͷ֩ߏ଄͸ະͩʹ໌Β͔Ͱ͸ͳ͍ɻͦͷͨΊɺཧԽֶ‫ ॴڀݚ‬RIBF ʹ͓͍ͯ 78 Ni ͷ
ϕʔλ่յʹ൐͏஗ൃதੑࢠଌఆΛ਱ߦͨ͠ɻϕʔλ่յͷଌఆʹதੑࢠͷඈߦ࣌ؒଌఆΛ૊Έ߹ΘͤΔ͜ͱʹΑΓɺதੑࢠա৒֩ͷ่յϞʔυʹ‫ݱ‬ΕΔ஗ൃதੑࢠͷΤωϧΪʔͷ෼ޫ͕ՄೳͱͳΓɺ78 Ni ͷ֩ߏ଄ͷ৘ใΛৄࡉʹௐ΂Δ͜ͱ͕Մೳͱͳͬ
ͨɻ‫ࡏݱ‬ɺಘΒΕͨσʔλͷৄࡉͳղੳΛਐΊ͍ͯΔɻ
தੑࢠա৒Χϧγ΢Ϝ֩ͷϕʔλ่յͷ‫৻ڷ( ڀݚ‬ଠ࿠)52Χϧγ΢Ϝ֩͸ཅࢠ͕ຐ๏਺Λ࣋ͭ‫͋Ͱ֩ࢠݪ‬Δɻۙ೥ͷෆ҆ఆ֩ੜ੒ٕज़ͷਐలʹΑΓɺதੑࢠ͕ཅࢠʹରͯ͠ա৒ʹଘࡏ͢ΔΧϧγ΢Ϝ֩ͷੜ੒͕ՄೳͱͳΓɺۙ೥ͷ‫Ͱڀݚ‬͸தੑࢠ͕ 40 ‫·ؚݸ‬ΕΔ 60 Ca ͷ߹੒΋ใࠂ͞Εɺ‫֩ࢠݪ‬ͷੑ࣭Λ൓ө͢Δ൒‫ظݮ‬΍ୈҰྭ‫ى‬ΤωϧΪʔͳͲͷଌఆ͕଴ͨΕ͍ͯΔɻͦͷͨΊɺதੑࢠա৒ͳΧϧγ΢Ϝ֩ͷ൒‫ظݮ‬ͷ‫ܥ‬౷ੑɺ͓Αͼϕʔλ่յʹ൐͏஗ൃதੑࢠ์ग़֬཰ͷଌఆ࣮‫ݧ‬ΛཧԽֶ‫͚͓ʹॴڀݚ‬Δ࣮‫ݧ‬՝୊৹ࠪձʹ͓͍ͯఏҊ͠ɺධՁ A/B Ͱ࣮‫ݧ‬ఏҊ͕ೝΊΒΕͨɻ‫֩ࢠݪ‬ͷ֩෼྾൓Ԡʹ͓͚Δඍࢹత‫ه‬ड़ (࿯ࢁ޿ฏ)‫֩ࢠݪ‬ͷ֩෼྾൓Ԡ͸େଟ਺ͷ֩಺֩ࢠ͕ؔ༩͢Δେৼ෯ूஂӡಈͷͻͱͭͰ͋Γɺ֩෼྾൓ԠΛຬ଍ʹ‫ه‬ड़͢Δඍࢹతྔࢠଟମཧ࿦͸·ͩͳ͍ɻຊ‫Ͱڀݚ‬͸ɺۙ೥ൃలΛ
਱͍͛ͯΔ‫౓ີ֩ࢠݪ‬൚ؔ਺Λ‫֩ʹૅج‬෼྾൓ԠΛ‫ه‬ड़͢Δ͜ͱΛ໨ඪʹ‫͍ͯ͛ܝ‬Δɻ
ຊ೥౓͸ɺ֩෼྾ͷ‫͕ڀݚ‬੝ΜʹߦͳΘΕ͍ͯΔ 240 Pu ʹରͯ֩͠෼྾‫ܦ‬࿏্ͷूஂ‫׳‬ੑ࣭ྔͷ‫ࢉܭ‬Λ‫ॴہ‬ཚࡶҐ૬ۙࣅ๏ (LQRPA) Λ༻͍ͯߦͳͬͨɻ༻͍ͨ۩ମతͳ
ख๏͸ҎԼͷͱ͓ΓͰ͋Δɻ
ʢ̍ʣ֩෼྾‫ܦ‬࿏্ͷ֤ม‫Ͱ౓ܗ‬ͷ߆ଋ৚݅෇͖ີ౓൚ؔ
਺‫ࢉܭ‬Λߦͳ͍ɺʢ̎ʣಘΒΕͨঢ়ଶΛ‫ ʹج‬LQRPA ํఔࣜΛղ͍ͯूஂతͳ࢛ॏ‫ۃ‬௿ྭ‫ى‬Ϟʔυͷ‫ݻ‬༗ղΛ‫ٻ‬Ίɺʢ̏ʣಘΒΕͨ௿ྭ‫ى‬Ϟʔυͷղ͔Βूஂ‫׳‬ੑ࣭ྔΛߏஙͨ͠ɻຊ‫Ͱڀݚ‬͸ɺ‫ڊ‬େ࣍‫ݩ‬ͷ LQRPA ํఔࣜΛର֯Խ๏Ͱ௚઀ղ͘୅ΘΓʹ਺஋తʹ؆ศͰ͔ͭಉ౳ͳ݁ՌΛ༩͑Δ༗‫ৼݶ‬෯๏Λ༻͍ͨɻಘΒΕͨूஂ‫׳‬ੑ࣭ྔ͸ 240 Puͷ‫ج‬ఈঢ়ଶ‫֩ͼٴ‬෼྾ΞΠιϚʔঢ়ଶͰଞͷม‫ʹ౓ܗ‬ൺ΂ͯେ͖ͳ஋Λࣔͨ͠ɻ·ͨɺม‫͕౓ܗ‬มԽ͢ΔʹͭΕͯूஂ‫׳‬ੑ࣭ྔ͕େ͖͘มԽ͢Δม‫ྖܗ‬Ҭ͕ଘࡏ͢Δ͜ͱΛࣔͨ͠ɻ͜Ε͸͜ͷม‫ྖܗ‬ҬͰ 240 Pu ͷҰཻࢠߏ଄͕ܶతʹมԽ͍ͯ͠Δ͜ͱ൓өͨ݁͠ՌͰ͋Δɻ("p, 2p) ൓ԠΛ༻͍ͨ 16 O ʹ͓͚Δ֪ޮՌͷഁΕͷ‫ີ( ڀݚ‬ຊ࣏৾ɺए‫ڱ‬ஐ࢚)‫֩ࢠݪ‬ͷߏ଄Λ୳Δ্ͰɺҰཻࢠঢ়ଶΛௐ΂Δ͜ͱ͸ॏཁͰ͋Δɻͦͷखஈͱͯ͠ɺೖ
ཻࣹࢠʹΑͬͯ֩಺֩ࢠΛୟ͖ग़͢ϊοΫΞ΢τ൓Ԡ͕༗ྗͰ͋Δ͕ɺଌఆ͞ΕͨҰཻࢠ‫౓ڧ‬࿨͸ɺಠཱཻࢠ֪໛‫( ܕ‬IPSM) ͷ໿ 70%ʹ͔͠ຬͨͳ͍ɻ͜ͷΫΤϯνϯά͸ɺ୹‫཭ڑ‬૬ؔ΍ςϯιϧ૬ؔͷޮՌͱߟ͑ΒΕ͍ͯΔ͕ɺ֪ߏ଄ͷഁΕͷӨ‫ڹ‬΋ߟྀ͢
Δඞཁ͕͋Δɻͦ͜Ͱຊ‫Ͱڀݚ‬͸ɺঢ়ଶີ౓͕௿֪͘ޮՌͷഁΕ͕࣮‫ݧ‬తʹ‫͠ূݕ‬қ͍ࢎૉʹରͯ͠ ("p, 2p) ൓ԠΛ༻͍Δ͜ͱͰɺҰཻࢠ‫౓ڧ‬෼෍ͷଌఆͱ֤ϐʔΫͷ‫ي‬ಓ֯ӡಈྔͷಉఆΛߦ͍ɺա‫ߦʹڈ‬ΘΕͨ (e, e! p) ൓Ԡͷ݁Ռͱൺֱ֪ͭͭ͠ߏ଄ͷഁΕΛ‫ͨ͠ূݕ‬ɻΠΦϯޫֶత༌ૹߦྻΛิਖ਼͢Δ͜ͱͰ࠷ߴ 165 keV ͷߴ෼ղೳΛୡ੒͠ɺ֪ߏ଄ͷഁΕΛࣔ͢ 2s1/2 ͓Αͼ 1d5/2 ‫ي‬ಓ༝དྷͷϐʔΫͷ‫؍‬ଌʹ੒ޭͨ͠ɻ࿈ଓ
ঢ়ଶͷ‫د‬༩Λཧ࿦తʹิਖ਼͢Δͱɺ1p ‫ي‬ಓͷ઎༗਺͕໿ 5.2 ‫ʹݸ‬ର֪ͯ͠ߏ଄ͷഁΕ

53ʹ൐͏ sd ‫ي‬ಓͷ઎༗਺͕໿ 0.3 ‫ͨͬ·ٻͱݸ‬ɻ͜Ε͸ɺ୹‫཭ڑ‬૬ؔͷӨ‫͕ڹ‬໿ 10%Ͱ͋Δ͜ͱΛ͓ࣔࠦͯ͠Γɺཧ࿦ิਖ਼ͷෆఆੑ͸͋Δ΋ͷͷ࠷ۙͷ‫ڀݚ‬੒Ռͱ΋ແໃ६Ͱ͋Δɻதॏ֩ʹ͓͚Δ෼ޫֶతखஈͱͯ͠ͷภ‫ۃ‬ཅࢠʹΑΔϊοΫΞ΢τ൓Ԡͷ‫( ڀݚ‬େ৓‫ٱ‬యɺए‫ڱ‬ஐ࢚)ෆ҆ఆ֩ʹର͢Δ෼ޫֶతखஈͱͯ͠஫໨͞Ε͍ͯΔ (p, 2p) ൓Ԡͷ৴པੑΛٞ࿦͢Δ
ͨΊʹɺ40 Ca(p, 2p) ൓Ԡʹ͓͚Δ෼ޫֶతҼࢠ (S-factor) ͷଌఆΛߦͬͨɻ࣮‫ݧ‬͸େࡕେֶ֩෺ཧ‫ڀݚ‬ηϯλʔ (RCNP) ʹ͓͍ͯɺࠃࡍ‫ڞ‬ಉ‫ ڀݚ‬E413 ͱͯ͠ߦͬͨɻ(p, 2p)
൓ԠͰ‫؍‬ଌ͞Εͨ௿ྭ‫ى‬ͷ཭ࢄతͳঢ়ଶʹରͯ͠ɺඍ෼அ໘ੵ͓Αͼภ‫ۃ‬෼ղೳͷ൓௓ӡಈྔ෼෍͔Β‫ي‬ಓ֯ӡಈྔ # ͓Αͼશ֯ӡಈྔ j ͷಉఆΛߦͬͨɻ͞Βʹɺ࣮‫ݧ‬஋ͱ࿪‫ۂ‬೾Πϯύϧεۙࣅ (DWIA) ‫ͱࢉܭ‬ͷൺֱ͔Β S-factor Λಋग़͠ɺա‫ߦʹڈ‬ΘΕͨ (e, e! p) ൓ԠʹΑΔ݁Ռͱൺֱͨ͠ɻͦͷ݁Ռɺ(e, e! p) ൓Ԡʹରͯ͠ (p, 2p) ൓ԠͰ͸தॏ֩ʹ͓͍ͯ΋໿ 20%ͷਫ਼౓Ͱ S-factor ΛಘΔ͜ͱ͕ग़དྷΔ͜ͱ͕֬ೝ͞Εͨɻภ‫ۃ‬ཅࢠΛ༻͍ͨ ("p, 2p) ൓ԠଌఆʹΑΔ 40 Ca ਂ෦Ұཻࢠঢ়ଶͷ‫ޙ( ڀݚ‬౻लฌɺए‫ڱ‬ஐ࢚)্ड़ͷେ৓ࢯͷ݁ՌΛड͚ɺຊ‫Ͱڀݚ‬͸ա‫ڈ‬ͷ࣮‫͍͓ͯʹݧ‬౷‫͕ྔܭ‬গͳ͘ɺ໌֬ͳ
ٞ࿦͕͞Ε͍ͯͳ͍ߴྭ‫ى‬ঢ়ଶʹண໨ͨ͠ɻ࢒ཹ֩Ͱ͋Δ 39 K ͕֩ࢠඇଋറঢ়ଶͱͳ
Δྭ‫ى‬ΤωϧΪʔ 6 MeV Ҏ্ʹ͍ͭͯɺඍ෼அ໘ੵͱภ‫ۃ‬෼ղೳͷ൓௓ӡಈྔ෼෍Λ‫ٻ‬Ίͨɻ֩ࢠඇଋറঢ়ଶʹ͸ෳ਺ͷ‫ي‬ಓ͕ࠞࡏ͢ΔͨΊɺଟॏ‫ۃ‬ల։Λ༻͍֤ͯ‫ي‬ಓͷ෼ޫֶతҼࢠ S-factor Λ‫ٻ‬ΊΔ͜ͱͰɺ40 Ca ͷਂ෦Ұཻࢠ‫౓ڧ‬෼෍Λ‫ٻ‬Ίͨɻͦͷ
݁Ռɺ1d5/2 , 1d3/2 ‫ي‬ಓͷ‫ي‬ಓ઎༗཰͸ͦΕͧΕ 89%, 87% ͱͳΓɺ࢒ཹ૬‫ߴͰ༻࡞ޓ‬ྭ‫ى‬ঢ়ଶʹ෼෍ͨ͠΋ͷΛ΄΅શͯଌఆͨ͜͠ͱΛ֬ೝͨ͠ɻಘΒΕͨҰཻࢠ‫͔౓ڧ‬Β֤‫ي‬ಓͷଋറΤωϧΪʔΛࢉग़͠ɺ‫ي‬ಓؒͷ૬ରΤωϧΪʔΛ‫ٻ‬ΊΔͱɺઌߦ‫ڀݚ‬ͱ͸ҟͳΔ݁Ռ͕ಘΒΕͨɻ͕ͨͬͯ͠ɺςϯιϧྗͷޮՌͷٞ࿦ʹॏཁͳ૬ରΤωϧΪʔͷಋग़ʹࡍͯ͠͸ɺ࿈ଓঢ়ଶ·Ͱ‫ؚ‬Μͩղੳ͕ॏཁͰ͋Δͱͷ஌‫͕ݟ‬ಘΒΕͨɻ

190 MeV Ͱͷ (p, n) ൓ԠʹΑΔ 48 Cr ͓Αͼ 64 Ge ͔Βͷ Gamow-Teller ભҠͷ‫ڀݚ‬(ழ໺‫ݩ‬େथɺּ‫ݪ‬൲ಸɺฏҐ༐ຏɺେ৓‫ٱ‬యɺ‫ޙ‬౻लฌɺີຊ࣏৾ɺࡔ໦ॏਔɺ඿໺
༑࠸ɺए‫ڱ‬ஐ࢚)∆L = 0ɺ∆S = 1ɺ∆T = 1 Λಛ௃ͱ͢Δ Gamow-Teller ભҠ͸ɺ೾ಈؔ਺ͷۭؒ෦෼ʹӨ‫ڹ‬Λ༩͑ͳ͍ͨΊɺεϐϯΞΠιεϐϯۭؒ಺ͷӡಈͷ‫ʹڀݚ‬ద͍ͯ͠ΔɻͦͷதͰ΋ A > 50 ͷ҆ఆ֩Ͱ͸ GT ‫ڊ‬େ‫ڞ‬໐Λࣔ͠ɺ֩ࢠ-֩ࢠؒ༗ޮ૬‫༻࡞ޓ‬ͷΞΠιϕ
Ϋτϧ෦෼Λཧղ͢ΔͨΊʹඇৗʹॏཁͳ৘ใΛ༩͑ΔͨΊ௕೥‫͞ڀݚ‬Ε͖ͯͨɻ࠷

54ۙͰ͸ɺෆ҆ఆಉҐମϏʔϜΛ༻͍ͨ‫ٯ‬ӡಈֶʹ͓͚Δ (p, n) ൓ԠΛ༻͍ͨ৽͍࣮͠‫ݧ‬ख๏ཱ͕֬͞Εɺෆ҆ఆͳ֩ʹ͓͍ͯ GT ‫ڊ‬େ‫ڞ‬໐ྖҬΛ‫ؚ‬Ή޿͍ྭ‫ى‬ΤωϧΪʔྖҬʹΘͨΔ GT ‫౓ڧ‬෼෍ͷநग़ʹ࢖༻͞Ε͍ͯΔɻ࣮‫ݧ‬͸ɺཧԽֶ‫ॴڀݚ‬ਔՊՃ଎‫ث‬Պֶ‫ڀݚ‬ηϯλʔʹ͓͍ͯߦΘΕɺ190 MeV/u ͷ 48 Cr ͓Αͼ 64 Ge ϏʔϜΛ༻͍ͨ‫ٯ‬ӡಈֶͰͷ (p, n) ൓ԠΛଌఆͨ͠ɻ͜ͷ‫ʹڀݚ‬͸ཧԽֶ‫ͱॴڀݚ‬ͷ‫ڞ‬ಉ࣮‫ࢀͯ͠ͱݧ‬Ճ͠ɺզʑ͸ओʹཻࢠࣝผதੑࢠ‫ݕ‬ग़‫( ث‬PANDORA) ͷ੡࡞΍ֱਖ਼Λߦͬͨɻ͜͜Ͱಘ
ͨ PANDORA ͷಈ࡞ಛੑ΁ͷཧղΛɺࠓ‫ޙ‬ͷզʑͷάϧʔϓͰͷ࣮‫ʹݧ‬Ԡ༻͢Δɻ

PANDORA ‫ݕ‬ग़‫ث‬Λ༻͍ͨதੑࢠϋϩʔ֩ʹ͓͚Δ Gamow-Teller ભҠͷ‫( ڀݚ‬ฏҐ༐ຏɺழ໺‫ݩ‬େथɺּ‫ݪ‬൲ࡊɺए‫ڱ‬ஐ࢚)ɹ Gamow-Teller ભҠ͸ɺ‫ي‬ಓ֯ӡಈྔ͕มԽͤͣɺεϐϯɾΞΠιεϐϯͷྔࢠ਺͕͚̍ͩมԽ͢Δ࠷΋୯७ͳભҠͰ͋ΔͨΊɺ‫֩ࢠݪ‬ͷεϐϯɾΞΠιεϐϯྭ‫ى‬ͷ‫ڀݚ‬ʹ͠͹͠͹༻͍ΒΕ͍ͯΔɻதੑࢠϋϩʔ֩ʹ͓͚Δ Gamow-Teller ભҠΛߟ͑Δͱɺ
தੑࢠϋϩʔ֩ͷதੑࢠʹಇ͘૬‫͕༻࡞ޓ‬ɺ҆ఆ֩ʹಇ͍͍ͯΔ૬‫ʹ༻࡞ޓ‬ൺ΂ͯੜͷ֩ྗʹۙ͘ɺ(p, n) ൓Ԡ‫ޙ‬΋ੜͷ p–n ૬‫ظ͕ͱ͍ۙ͜ʹ༻࡞ޓ‬଴͞ΕΔͨΊɺதੑࢠϋϩʔ֩ͷεϐϯɾΞΠιεϐϯྭ‫ى‬͸҆ఆ֩ͷͦΕͱҟͳΔ͜ͱ͕༧૝͞ΕΔɻຊ࣮‫ݧ‬͸ཧԽֶ‫ॴڀݚ‬ਔՊՃ଎‫ث‬Պֶ‫ڀݚ‬ηϯλʔʹ͓͍ͯߦΘΕɺதੑࢠϋϩʔ֩Ͱ
͋Δ 11 Li ͱ 14 Be Λ‫ؚ‬ΊͨΧΫςϧϏʔϜΛ༻͍ͨ‫ٯ‬ӡಈֶͰͷ (p, n) ൓ԠΛଌఆͨ͠ɻ
ຊ࣮‫Ͱݧ‬͸ཻࢠࣝผதੑࢠ‫ݕ‬ग़‫( ث‬PANDORA) ΛॳΊ࣮ͯ‫ʹݧ‬ಋೖ͠ɺΨϯϚઢͱதੑࢠͷหผΛߦ͏͜ͱͰɺશΠϕϯτͷ͓Αͦ൒෼ఔ౓ͷΠϕϯτΛΨϯϚઢʹΑΔ
όοΫάϥϯυͱͯ͠཈͑Δ͜ͱʹ੒ޭͨ͠ɻ·ͨ 11 Li ͷ (p, n) ൓Ԡ‫ʹޙ‬ੜ੒͞ΕΔ
11

Be ͕ɺ9 Li ͱॏཅࢠʹ่յ͢ΔաఔΛੈքͰॳΊͯ‫؍‬ଌͨ͠ɻ͞Βʹ Gamow-Teller‫ڊ‬େ‫ڞ‬໐Λࣔࠦ͢Δ݁ՌΛಘ͓ͯΓɺࠓ‫ޙ‬͸ͦͷ‫ڊ‬େ‫ڞ‬໐Λ‫ؚ‬Ίͨྭ‫ى‬ΤωϧΪʔ͕

30 MeV ఔ౓·ͰͷྖҬͷৄࡉͳղੳΛߦ͏ɻඈߦ࣌ؒଌఆ๏Λ༻͍ͨ (d, n) ൓ԠଌఆʹΑΔதੑࢠੜ੒‫ߏػ‬ͷ‫ࡔ( ڀݚ‬໦ॏਔɺ඿
໺༑࠸ɺ౦੟ਓɺழ໺‫ݩ‬େथɺּ‫ݪ‬൲ಸɺฏҐ༐ຏɺए‫ڱ‬ஐ࢚)ॏཅࢠ෼ղ൓Ԡʹ͓͚Δதੑࢠੜ੒ྔͷ࣭ྔ਺ґଘੑͷཧղΛ໨తͱͯ͠ɺ(d, n) ൓Ԡͷ‫ܥ‬౷తଌఆΛߦͬͨɻ࣮‫ݧ‬͸ɺେࡕେֶ֩෺ཧ‫ڀݚ‬ηϯλʔ (RCNP) ͷதੑࢠ࣮‫ݧ‬ࣨʹͯߦͬͨɻnat Cɺ27 Alɺ59 Co ͷ 3 ඪతʹ 56 MeV ͷॏཅࢠϏʔϜΛরࣹ͠ɺ(d, n)൓ԠΛඈߦ࣌ؒଌఆ๏ʹΑΓଌఆͨ͠ɻͦͷࡍɺ‫ݕ‬ग़‫ʹث‬ೖΔ γ ઢͱதੑࢠʹ͍ͭͯɺ೾‫ܗ‬หผ๏Λ༻͍ͯࣝผ্ͨ͠Ͱೋ֊ඍ෼அ໘ੵΛಋग़ͨ͠ɻ͞Βʹɺ 3 ඪతʹ͍ͭͯɺೖࣹॏཅࢠ͕ඪత಺Ͱશͯ෼ղ͢Δ΄Ͳͷް͍ඪతͷଌఆ΋ߦͬͨɻೋ֊ඍ෼அ
໘ੵ͸ɺͦͷϐʔΫஅ໘ੵ͕͓Α࣭ͦྔ਺ A ͷ 2/3 ৐ʹൺྫ͢Δ͜ͱ͕֬ೝ͞ΕͨɻϐʔΫΤωϧΪʔ͸ A ͷ૿Ճͱ‫ݮʹڞ‬গ͓ͯ͠ΓɺΫʔϩϯɾϙςϯγϟϧʹΑΔॏ

55

ཅࢠͷ‫ݮ‬଎ͷӨ‫͕ڹ‬ೝΊΒΕͨɻ·ͨɺް͍ඪతʹ͓͍ͯ͸ A ͷ૿Ճͱ‫ʹڞ‬ऩྔ͕‫ݮ‬
গ͢Δ݁Ռ͕ಘΒΕɺඪతதͰͷதੑࢠͷ൓Ԡ͕ແࢹग़དྷͳ͍͜ͱΛ͍ࣔࠦͯ͠Δɻ
λϯσϜՃ଎‫͚͓ʹث‬Δྭ‫਺ؔى‬ଌఆ‫ܥ‬ͷ։ൃ (ࣉ੢ߴɺࡔҪलॆɺ‫ٱ‬อେࢤɺ௕ాᣈ
ࢠ)λϯσϜՃ଎‫ڞ͍͓ͯʹث‬໐൓Ԡͷྭ‫਺ؔى‬Λޮ཰Α͘ߴਫ਼౓Ͱଌఆ͢ΔͨΊʹϏʔϜϥΠϯ͓Αͼ੍‫ܥޚ‬ͷ੔උΛߦ͍ͬͯΔɻຊ೥౓͸ɺεϦοτ‫ܥ‬ͷ੔උɺ෼ੳి࣓
ੴͷઃఆਫ਼౓޲্ɺ࣓৔ͷϑΟʔυόοΫ੍‫ޚ‬ɺϏʔϜϥΠϯύϥϝʔλʔͷҰ‫ׅ‬ઃఆΛ࣮‫ͤ͞ݱ‬ɺଌఆͱଌఆͷؒͷΤωϧΪʔมߋ࣌ؒΛ໿ 2 ෼Ҏ಺ʹ͢Δ͜ͱ͕Մೳ
ʹͳͬͨɻຊγεςϜΛ༻͍ͯɺม‫ڞܗ‬ଘ֩ͱͯ͠஌ΒΕΔ 118 Sn ͷཅࢠ‫ڞ‬໐஄ੑɾඇ
஄ੑࢄཚͷ༧උଌఆΛߦͬͨɻ·ͨɺΤωϧΪʔ‫ܥ‬౷‫ࠩޡ‬ΛධՁ͢ΔͨΊɺ12 C ͷཅࢠ஄ੑࢄཚʹ͓͚Δ‫ط‬஌ͷ‫ڞ‬໐ঢ়ଶͷଌఆΛ࣮ࢪͨ͠ɻ
௿଎ RI ϏʔϜΛ༻͍ͨ 93 Zr ͷཅࢠɾॏཅࢠ༠‫ى‬൓Ԡଌఆ (ೖ෦߂ଠ࿠ɺࣉ੢ߴ)RIBF Ͱ৽ͨʹ։ൃ͞Εͨ௿଎ RI ϏʔϜϥΠϯ OEDO ʹ͓͍ͯ֩ࢠ͋ͨΓ 30 MeV
93

Zr ϏʔϜΛੜ੒͠ཅࢠɾॏཅࢠඪతʹΑΔ༠‫ى‬൓ԠͷଌఆΛߦͬͨɻ93 Zr ͸൒‫ظݮ‬

153 ສ೥ͷ௕ण໋֩෼྾ੜ੒෺ (LLFP) ͱͯ͠஌ΒΕɺ֩ഇ‫غ‬෺ͷதʹ‫·ؚ‬ΕΔɻຊ࣮‫ݧ‬͸ɺ֩ഇ‫غ‬෺ͷ‫ݮ‬༰Խʹ޲͚ͨ‫ڀݚ‬ϓϩδΣΫτͷҰ‫ͯ͠ͱ؀‬ɺ௚઀ͷԠ༻ʹ͸ͭͳ͕Βͳ͍΋ͷͷɺؔ࿈͢Δ֩σʔλΛ‫ܥ‬౷తʹऔಘ͢Δͱ͍͏‫ߦͰ఺؍‬ΘΕͨɻ·ͨɺ֩෺ཧ‫্ڀݚ‬༗༻ͳɺ௿଎ RI ϏʔϜϥΠϯʹ͓͚Δ֩൓Ԡଌఆख๏Λ։ൃ͢Δ͜ͱ΋໨ඪͱͨ͠ɻຊ೥౓͸ղੳΛਐΊɺBigRIPS+OEDO ϏʔϜϥΠϯʹ͓͚ΔϏʔϜཻࢠࣝผͱɺ൓ԠඪతҎ߱ͷ SHARAQ εϖΫτϩϝʔλʹΑΔ൓Ԡ֩छͷ࣭ྔిՙൺ A/Q ͓Αͼ‫ࢠݪ‬൪߸ Z ͕Ͱ͖Δ͜ͱΛ࣮ূ͠ɺ֩ࢠ͋ͨΓ 30 MeV ʹ͓͚Δ 93 Zr
ͷཅࢠ༠‫ى‬൓Ԡͷ൓Ԡੜ੒෺ͷதͰ࠷΋ଟ͍ͷ͸ 91 Nb Ͱ͋Δ͜ͱΛ໌Β͔ʹͨ͠ɻൃද࿦จ!! ‫ݪ‬ஶ࿦จ ""Extraction of the Landau-Migdal Parameter from the Gamow-Teller Giant Resonancein 132 Sn:
J. Yasuda, M. Sasano, R.G.T. Zegers, H. Baba, D. Bazin, W. Chao, M. Dozono, N.
Fukuda, N. Inabe, T. Isobe, G. Jhang, D. Kameda, M. Kaneko, K. Kisamori, M.
Kobayashi, N. Kobayashi, T. Kobayashi, S. Koyama, Y. Kondo, A.J. Krasznahorkay,

56

T. Kubo, Y. Kubota, M. Kurata-Nishimura, C.S. Lee, J.W. Lee, Y. Matsuda, E.
Milman, S. Michimasa, T. Motobayashi, D. Muecher, T. Murakami, T. Nakamura, N.
Nakatsuka, S. Ota, H. Otsu, V. Panin, W. Powell, S. Reichert, S. Sakaguchi, H. Sakai,
M. Sako, H. Sato, Y. Shimizu, M. Shikata, S. Shimoura, L. Stuhl, T. Sumikama, H.
Suzuki, S. Tangwancharoen, M. Takaki, H. Takeda, T. Tako, Y. Togano, H. Tokieda,
J. Tsubota, T. Uesaka, T. Wakasa, K. Yako, K. Yoneda, and J. Zenihiro
Phys. Rev. Lett. 121, 132501 (2018)
Proton elastic scattering at 200 A MeV and high momentum transfers of 1.7–2.7 fm−1
as a probe of the nuclear matter density of 6 He:
S. Chebotaryov, S. Sakaguchi, T. Uesaka, T. Akieda, Y. Ando, M. Assie, D. Beaumel,
N. Chiga, M. Dozono, A. Galindo-Uribarri, B. Heffron, A. Hirayama, T. Isobe, K. Kaki,
S. Kawase, W. Kim, T. Kobayashi, H. Kon, Y. Kondo, Y. Kubota, S. Leblond, H. Lee,
T. Lokotko, Y. Maeda, Y. Matsuda, K. Miki, E. Milman, T. Motobayashi, T. Mukai,
S. Nakai, T. Nakamura, A. Ni, T. Noro, S. Ota, H. Otsu, T. Ozaki, V. Panin, S. Park,
A. Saito, H. Sakai, M. Sasano, H. Sato, K. Sekiguchi, Y. Shimizu, I. Stefan, L. Stuhl,
M. Takaki, K. Taniue, K. Tateishi, S. Terashima, Y. Togano, T. Tomai, Y. Wada, T.
Wakasa, T. Wakui, A. Watanabe, H. Yamada, Zh. Yang, M. Yasuda, J. Yasuda, K.
Yoneda, and J. Zenihiro
Prog. Theor. Exp. Phys. 2018, 053D01 (2018)
Observation of the competing fission modes in 178 Pt:
I. Tsekhanovich, A.N. Andreyev, K. Nishio, D. Denis-Petit, K. Hirose, H. Makii, Z.
Matheson, K. Morimoto, K. Morita, W. Nazarewicz, R. Orlandi, J. Sadhukhan, T.
Tanaka, M. Vermeulen, M. Warda
Phys. Lett. B 790, 583 (2019).
Excitation of the Isovector Spin Monopole Resonance via the Exothermic 90 Zr(12 N,12 C)
Reaction at 175 MeV/u:
S. Noji, H. Sakai, N. Aoi, H. Baba, G.P.A. Berg, P. Doornenbal, M. Dozono, N. Fukuda,
N. Inabe, D. Kameda, T. Kawabata, S. Kawase, Y. Kikuchi, K. Kisamori, T. Kubo, Y.
Maeda, H. Matsubara, S. Michimasa, K. Miki, H. Miya, H. Miyasako, S. Sakaguchi, Y.
Sasamoto, S. Shimoura, M. Takaki, H. Takeda, S. Takeuchi, H. Tokieda, T. Ohnishi,
S. Ota, T. Uesaka, H. Wang, K. Yako, Y. Yanagisawa, N. Yokota, K. Yoshida, and
R.G.T. Zegers
57

Phys. Rev. Lett. 120, 172501 (2018).
α-unbound levels in 34 Ar from 36 Ar(p, t)34 Ar reaction measurements and implications
for the astrophysical 30 S(α, p)33 Cl reaction rate:
A.M. Long, T. Adachi, M. Beard, G.P.A. Berg, M. Couder, R.J. deBoer, M. Dozono,
J. Gorres, H. Fujita, Y. Fujita, K. Hatanaka, D. Ishikawa, T. Kubo, H. Matsubara,
Y. Namiki, S. O’Brien, Y. Ohkuma, H. Okamura, H.J. Ong, D. Patel, Y. Sakemi, Y.
Shimbara, S. Suzuki, R. Talwar, A. Tamii, A. Volya, T. Wakasa, R. Watanabe, M.
Wiescher, R. Yamada, and J. Zenihiro
Phys. Rev. C 97, 054613 (2018)
OEDO, the energy-degrading beamline at RI Beam Factory:
S. Michimawa, J. Hwang, K. Yamada, S. Ota, M. Dozono, N. Imai, K. Yoshida, Y.
Yanagisawa, K. Kusaka, M. Ohtake, M. Matsushita, D.S. Ahn, O. Beliuskina, N. Chiga,
K. Chikaato, N. Fukuda, S. Hayakawa, E. Ideguchi, K. Iribe, C. Iwamoto, S. Kawase,
K. Kawata, N. Kitamura, S. Masuoka, H. Miyatake, D. Nagae, R. Nakajima, T. Nakamura, K. Nakano, S. Omika, H. Otsu, H. Sakurai, P. Schrock, H. Shimizu, Y. Shimizu,
T. Sumikama, X. Sun, D. Suzuki, H. Suzuki, M. Takaki, M. Takechi, H. Takeda, S.
Takeuchi, T. Teranishi, R. Tsunoda, H. Wang, Y. Watanabe, Y.X. Watanabe, K. Wimmer, K. Yako, H. Yamaguchi, L. Yang, H. Yoshida, S. Shimoura
Prog. Theor. Exp. Phys. 2019, 043D01.
Proton single particle energies next to 78 Ni: Spectroscopy of 77 Cu via single proton
knock-out reaction:
Zs. Vajta, D. Sohler, Y. Shiga, K. Yoneda, K. Sieja, D. Steppenbeck, Zs. Dombr’adi,
N. Aoi, P. Doornenbal, J. Lee, H. Liu, M. Matsushita, S. Takeuchi, H. Wang, H. Baba,
P. Bednarczyk, Zs. Fülöp, S. Go, T. Hashimoto, E. Ideguchi, K. Ieki, K. Kobayashi,
Y. Kondo, R. Minakata, T. Motobayashi, D. Nishimura, H. Otsu, H. Sakurai, Y. Sun,
A. Tamaii, R. Tanaka, Z. Tian, T. Yamamoto, X. Yang, Z. Yang, Y. Ye, R. Yokoyama,
J. Zenihiro
Phys. Lett. B 782, 99 (2018)
Development of prototype RICH detector with multi-anode photomultipliers for radioactive ions:M. Machida, D. Nishimura, M. Fukuda, S. Yagi, T. Sugihara, S. Kanbe, S. Yamaoka,
58

M. Takechi, M. Tanaka, M. Amano, J. Chiba, K. Chikaato, H. Du, S. Fukuda, A.
Homma, T. Hori, A. Ikeda, R. Ishii, T. Izumikawa, Y. Kamisho, N. Kanda, R. Kehl,
A. Kitagawa, K. Matsuta, M. Mihara, E. Miyata, A. Mizukami, T. Moriguchi, M. Nagashima, S. Nakamura, M. Nassurlla, K. Ohnishi, T. Ohstubo, S. Sato, J. Shimaya, T.
Suzuki, S. Suzuki, T. Tahara, Y. Tanaka, T. Yamaguchi, and R. Yanagihara
Nucl. Instr. and Meth. in Phys. Research A 931, 23-28 (2019).

!! ͦͷଞͷ࿦จ ""χϗχ΢Ϝͷൃ‫ ݟ‬ʻಛผΠϯλϏϡʔʼ ৿ాത࢜ʹฉ͘χϗχ΢Ϝൃ‫͞ͱݟ‬ΒͳΔ୳
‫ڀ‬:
৿ాߒհ

Newton ผ࡭ʰ‫׬‬શਤղ ‫ݩ‬ૉͱप‫ظ‬ද ৽૷൛ʱ (χϡʔτϯผ࡭), 2018 ೥ 11 ݄ 19 ೔ൃച

Optimum Incident Energy for New Element Search:
T. Tanaka and K. Morita,
AAPPS Bulletin, Association of Asia Pacific Physical Societies, Vol. 28 No. 3 (2018),
p. 28 - 30.
৽‫ݩ‬ૉ୳ࡧͷ࠷దͳೖࣹΤωϧΪʔ :ాதହ‫و‬ɺ৿ాߒհ
೔ຊ෺ཧֶձࢽɺ೔ຊ෺ཧֶձɺVol. 73 No. 4 (2018), p. 234-235.

MRTOF-MS ༻ α-ToF ‫ݕ‬ग़‫ث‬ͷੑೳධՁ:ఉ੉‫ོڿ‬ɺ࿨ాಓ࣏ɺP. Schuryɺҏ౻༝ଠɺՃ࣏େ࠸ɺM. Rosenbuschɺ৿ຊ޾࢘ɺӋ৔޺ޫɺ໦ଜ૑େɺੴᖒྙɺ৿ాߒհɺ‫ٶ‬෢Ӊ໵ɺH. Wollnik೔ຊ์ࣹԽֶձࢽɹୈ 39 ߸ɹ 2019 ೥ 3 ݄

Development of α-ToF detector for correlation measurement of atomic masses anddecay properties of superheavy nuclides:
T. Niwase, M. Wada, P. Schury, Y. Ito, M. Rosenbusch, D. Kaji, K. Morimoto, H.
Haba, S. Ishizawa, K.Morita, H. Wollnik
RIKEN Accel. Prog. Rep. 51 157(2018).

59

ߨԋ

!! ւ֎Ͱͷߨԋ ""Present status and perspectives of SHE researches at RIKEN:
K. Morita,
13th International Conference on Nucleus-Nucleus Collisions (NN2018), 4-8 December
2018, Omiya, Japan.
Nuclear Spin Physics via Polarization Measurements:
T. Wakasa,
The 23rd International Spin Physics Symposium (SPIN2018), Ferrara, Italy, September
2018.
Studies of two- and three-nucleon interactions in nuclear reactions:
T. Wakasa,
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 23-27 Oct.
2018, Hawaii, U.S.A.
Elastic scattering of 6 He from polarized proton at 200 A MeV:
S. Sakaguchi for SAMURAI13 collaboration,
The 10th International Conference on Direct Reactions with Exotic Beams (DREB2018),
4-8 June 2018, Matsue, Japan.
Proton elastic scattering off 6 He at 200 A MeV measured with solid polarized proton
target:S. Sakaguchi for SAMURAI13 collaboration,
SAMURAI International Collaboration Workshop 2018, 3 Sept. 2918, RIKEN (Wako),
Japan.
Proton elastic scattering from 6He at 200 A MeV measured with polarized proton
target for RI-beam experiments:
S. Sakaguchi for SAMURAI13 collaboration,
The IXth International Symposium on EXOtic Nuclei (EXON-2018), 10-15 September
2018, Petrozavodsk, Russia.

60

Study of Fusion Reaction Mechanism for New Elements and New Isotopes:
S. Sakaguchi,
20th Northeastern Asian Symposium-2018 on Nuclear Physics in the 21st Century, 1920 2018, Nagoya, Japan.
Superheavy element research at RIKEN and Kyushu University:
S. Sakaguchi,
The 10th China-Japan Joint Nuclear Physics Symposium, 18-23 Nov. 2018, Huizhou,
China.
Elastic scattering of polarized protons from 6 He at 200 A MeV:
S. Sakaguchi for SAMURAI13 collaboration,
13th International Conference on Nucleus-Nucleus Collisions (NN2018), 4-8 December
2018, Omiya, Japan.
Direct measurement of atomic number for superheavy nuclei search
Kunihiro Fujita, Takao Saito, Toshitaka Niwase, Keigo Bando, Kenta Manabe, Yoshihide Suekawa, Kazuya Shirasaka, Kousuke Morita
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 27 Oct.
2018, Hawaii, U.S.A.
Search for super-allowed alpha decay around 100 Sn region:
S. Go, R. K. Grzywacz, Y. Xiao, K. Kolos, K. Nishio, R. Orlandi, H. Makii, K. Hirose,
I. Nishinaka, J. Smallcombe H. Ikezoe, R. Léguillon, K. P. Rykaczewski, N. Brewer, C.
J. Gross, C. Mazzocchi, F. P. Hessberger, S. Chiba, T. Otsuki, L. G. Sarmoemto M.
Veselsky A. Andreev, D. G. Jenkins R. Wadsworth, M. A. Bentley, G. de Angelis, C.
Petrache, Z. Zhang, Z. G. Gan
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 23-27 Oct.
2018, Hawaii, U.S.A
Excitation modes and collective inertia in triaxial superfluid nuclei:
K. Washiyama and T. Nakatsukasa,
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, Hawaii,
USA, Oct. 23-27, 201861

Quadrupole shape fluctuations in nuclei and collective Hamiltonian method within
Skyrme EDF:
K. Washiyama,
Shapes and Symmetries in Nuclei: from Experiment to Theory, Gif-sur-Yvette, France,
Nov. 5-9, 2018
Fusion hindrance in heavy nuclear systems studied with time-dependent Hartree-Fock:
K. Washiyama,
10th China-Japan Joint Nuclear Physics Symposium (CJNP2018), Huizhou, China,
Nov. 19-23, 2018
Excitation modes and rotational moment of inertia in triaxial nuclei:
K. Washiyama and T. Nakatsukasa,
13th International Conference on Nucleus-Nucleus Collisions (NN2018), Omiya, Japan,
Dec. 3-8, 2018
Collective mass in quadrupole collective Hamiltonian from local QRPA with Skyrme
EDF:
K. Washiyama,
Tsukuba-CCS workshop on microscopic theories of nuclear structure and dynamics,
Tsukuba, Japan, Dec. 10-12, 2018
Nuclear matter radii of Ca isotopes across the neutron magic number N = 28 via interaction cross section measurements:
M. Tanaka for RIBF123 Collaboration,
13th International Conference on Nucleus-Nucleus Collisions, Omiya, Japan, 4-8 December 2018
Measurements of Interaction Cross Sections and Charge-changing Cross Sections for
Ca and Ni isotopes at RIBF:
M. Tanaka for RIBF123 Collaborations,
The 10th China-Japan Joint Nuclear Physics Symposium, Huizhou, China, 18-23
November 2018
Fusion Dynamics for Hot Fusion Reactions revealed in Quasielastic Fusion Barrier
62

Distributions:
T. Tanaka, K. Morita, K. Morimoto, D. Kaji, H. Haba, R. A. Boll, N. T. Brewer, S.
Van Cleve, D. J. Dean, S. Ishizawa, Y. Ito, Y. Komori, K. Nishio, T. Niwase, B. C.
Rasco, J. B. Roberto, K. P. Rykaczewski, H. Sakai, D. W. Stracener, and K. Hagino,
JPS-APS Joint meeting on Nuclear Physics Division, October 2018, Hawaii, U.S.A.
Fusion Dynamics for Hot Fusion Reactions revealed in Quasielastic Fusion Barrier
Distributions:
T. Tanaka, K. Morita, K. Morimoto, D. Kaji, H. Haba, R. A. Boll, N. T. Brewer, S.
Van Cleve, D. J. Dean, S. Ishizawa, Y. Ito, Y. Komori, K. Nishio, T. Niwase, B. C.
Rasco, J. B. Roberto, K. P. Rykaczewski, H. Sakai, D. W. Stracener, and K. Hagino,
13th International Conference on Nucleus-Nucleus Collisions, December 2018, Saitama,
Japan.
Fusion dynamics for hot fusion reactions revealed in quasielastic fusion barrier distributions:
T. Tanaka
54th ASRC International Workshop Sakura-2019 ʠ Nuclear Fission and Structure of
Exotic Nuclei ʡ, March 2019, Tokai, Japan.
Measurement of fusion barrier distribution in 51 V+208 Pb system:
T. Niwase, K. Fujita, Y. Yamano, K. Watanabe, D. Kaji, K. Morimoto, H. Haba, T.
Hirano, S. Mitsuoka, K. Morita
13th International Conference on Nucleus-Nucleus Collisions (NN2018), 4-8 December
2018, Omiya, Japan.
Identification of Neutral Particles with PANDORA Detector and Pulse-Shape Discrimination (PSD) Method:
Y. Hamano, M. Higashi, S. Sakaki, D. Inotomo, H. Kasahara, Y. Hirai and T. Wakasa,
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 23-27 Oct.
2018, Hawaii, U.S.A.
Development of proton detector using Csi(Tl) scintillator and SiPM:
M. Osada, T. Teranishi, Y. Ueno, S. Oka, K. Iribe, H. Sakai, and T. Kubo,
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 23-27 Oct.
632018, Hawaii, U.S.A.
Study of neutron production processes via (d, n) reactions with time-of-flight method:
M. Higashi, S. Sakaki, Y. Hamano, D. Inomoto, H. Kasahara, Y. Hirai, and T. Wakasa,
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 23-27 Oct.
2018, Hawaii, U.S.A.
Development of α-ToF detector for correlation measurement of atomic masses anddecay properties:
T. Niwase, M. Wada, P. Schury, Y. Ito, M. Rosenbusch, D. Kaji, K. Morimoto, H.
Haba, S. Ishizawa, K.Morita, H. Wollnik
5th Joint Meeting of the Nuclear Physics Divisions of the APS and the JPS, 23-27 Oct.
2018, Hawaii, U.S.A!! ࠃ಺Ͱͷߨԋ ""ཧԽֶ‫ॴڀݚ‬Ұൠެ։τʔΫγϣʔ:৿ాߒհཧԽֶ‫ॴڀݚ‬Ұൠެ։ɺ2018 ೥ 4 ݄ 20 ೔ɺਔՊՃ଎‫ث‬ηϯλʔʢ࡛‫ݝۄ‬ʣ‫ݩ‬ૉͷྺ࢙ʢNh ʹ͍ͭͯʣ:৿ాߒհ

39 ճ਺ཧͷཌྷՆ‫ق‬ηϛφʔɺ2018 ೥ 8 ݄ 9 ೔ɺ෱Ԭ‫ࣾݝ‬ձηϯλʔʢ෱Ԭ‫ݝ‬ʣ৽‫ݩ‬ૉͷ୳ࡧ:৿ాߒհࣛࣇౡதԝߴ౳ֶߍ SSHɺ2018 ೥ 9 ݄ 4 ೔ɺࣛࣇౡதԝߴߍମҭ‫ؗ‬ʢࣛࣇౡ‫ݝ‬ʣ৽‫ݩ‬ૉͷ୳ࡧ:৿ాߒհ‫۝‬भࢁ‫ޱ‬ༀֶֶձɺ2018 ೥ 11 ݄ 3 ೔ɺผ෎ࢢϏʔίϯʢେ෼‫ݝ‬ʣ৽‫ݩ‬ૉͷ୳ࡧ:৿ాߒհ‫۝‬भେֶ‫۽‬ຊಉ૭ձɺ2018 ೥ 11 ݄ 14 ೔ɺANA Ϋϥ΢ϯϓϥβϗςϧʢ‫۽‬ຊ‫ݝ‬ʣ64৽‫ݩ‬ૉͷ୳ࡧʢDiscovery of superheavy elementsʣ:৿ాߒհ೔ຊද໘ਅֶۭձɺ2018 ೥ 11 ݄ 20 ೔ɺਆ‫ࡍࠃށ‬ձٞ৔ʢฌ‫ݝݿ‬ʣ৽‫ݩ‬ૉͷ୳ࡧ:৿ాߒհ೔ຊߤۭӉ஦ֶձɺ2018 ೥ 11 ݄ 22 ೔ɺ‫۝‬भେֶʢ෱Ԭ‫ݝ‬ʣୈ 113 ൪৽‫ݩ‬ૉχϗχ΢Ϝͷൃ‫ݟ‬:৿ాߒհप‫ظ‬ද 150 ೥‫ه‬೦γϯϙδ΢Ϝɺ2019 ೥ 2 ݄ 23 ೔ɺֶज़ձٞߨಊʢ౦‫౎ژ‬ʣ৽‫ݩ‬ૉͷ୳ࡧ:৿ాߒհ

2019 ૯߹ٕज़‫ڀݚ‬ձ ɺ2019 ೥ 3 ݄ 7 ೔ɺ‫۝‬भେֶʢ෱Ԭʣ
χϗχ΢Ϝൃ‫ݟ‬෺‫ޠ‬:৿ాߒհ෺ཧֶձʷԽֶֶձγϯϙδ΢Ϝɺ2019 ೥ 3 ݄ 17 ೔ɺ‫۝‬भେֶʢ෱Ԭʣ
‫۝‬भେֶʹ͓͚Δ௒ॏ‫ݩ‬ૉ‫ڀݚ‬:ࡔ‫ޱ‬૱ࢤ
௒ॏ‫ݩ‬ૉ‫ڀݚ‬ͷ৽ల։ɺ2018 ೥ 7 ݄ 30-31 ೔ɺ‫۝‬भେֶIsland of Stability:
S. Sakaguchi,
RIBF एख์ஊձɹΤΩκνοΫ֩෺ཧͷকདྷ, 18 Feb. 2019, RIKEN (Kobe), Japan.
‫۝‬भେֶ௒ॏ‫ݩ‬ૉ‫ڀݚ‬ηϯλʔ (RCSHE) ͱՃ଎‫ࢪث‬ઃͷ঺հ:ࡔ‫ޱ‬૱ࢤ
೔ຊ෺ཧֶձɹୈ 74 ճ೥࣍େձɹ SSRI ΠϯϑΥʔϚϧϛʔςΟϯάɺ2019 ೥ 3 ݄ 15೔ɺ‫۝‬भେֶ
‫۝‬େλϯσϜʹ͓͚Δॏ‫ݩ‬ૉ༻ϏʔϜϥΠϯͱ‫ݕ‬ग़‫ث‬ͷ։ൃ:65౻ా‫܇‬༟ɺᜊ౻ᴲ෉ɺࡔ౦‫ޔܚ‬ɺਅ෦݈ଠɺനࡔ࿨໵ɺ຤઒‫ܚ‬ӳɺ৿ాߒհɺए‫ڱ‬ஐ࢚ɺࣉ੢ߴɺࡔ‫ޱ‬૱ࢤɺ‫৻ڷ‬ଠ࿠
ୈ 31 ճ λϯσϜՃ଎‫ͦͼٴث‬ͷपลٕज़ͷ‫ڀݚ‬ձɺ2018 ೥ 7 ݄ 13 ೔ɺ౦‫ࢢ౎ژ‬େֶ

Direct Measurement of Atomic Number for SHE search at GARIS:
K. Fujita, T. Saito, T. Niwase, K. Bando, K. Manabe, K. Shirasaka, Y. Suekawa, K.
MoritaSSRI-PNS collaboration meetingɺ2018 ೥ 9 ݄ 4 ೔ɺཧԽֶ‫ॴڀݚ‬ϒϥοάΧʔϒଌఆʹΑΔ௒ॏ֩ͷ‫ࢠݪ‬൪߸ಉఆ:౻ా ‫܇‬༟ɺᜊ౻ ‫෉ھ‬ɺఉ੉ ‫ོڿ‬ɺ൘౦ ‫ޔܚ‬ɺਅ෦ ݈ଠɺനࡔ ࿨໵ɺ຤઒ ‫ܚ‬ӳɺ৿ా ߒհ2018 ೔ຊ์ࣹԽֶձ೥ձɾୈ 62 ճ์ࣹԽֶ౼࿦ձɺ2018 ೥ 9 ݄ 18 ೔ɺ‫౎ژ‬େֶϒϥοάΧʔϒଌఆʹΑΔ௒ॏ֩ͷ‫ࢠݪ‬൪߸ࣝผ:౻ా ‫܇‬༟ɺᜊ౻ ‫෉ھ‬ɺఉ੉ ‫ོڿ‬ɺ൘౦ ‫ޔܚ‬ɺਅ෦ ݈ଠɺനࡔ ࿨໵ɺ຤઒ ‫ܚ‬ӳɺ৿ా ߒհ೔ຊ෺ཧֶձɹୈ 74 ճ೥࣍େձɺ2019 ೥ 3 ݄ 17 ೔ɺ‫۝‬भେֶ௒ॏ‫ݩ‬ૉ߹੒࣮‫͚ͨ޲ʹݧ‬σδλϧΤϨΫτϩχΫεͷ‫༻׆‬:‫৻ڷ‬ଠ࿠
௒ॏ‫ݩ‬ૉ‫ڀݚ‬ͷ৽ల։ɺ2018 ೥ 7 ݄ 30-31 ೔ɺ‫۝‬भେֶ༗‫ৼݶ‬෯๏ʹΑΔ࢛ॏ‫ஂूۃ‬ϋϛϧτχΞϯͷৼಈ࣭ྔͷධՁ:࿯ࢁ޿ฏɺத຿޹
೔ຊ෺ཧֶձୈ 74 ճ೥࣍େձɺ2019 ೥ 3 ݄ 17 ೔ɺ‫۝‬भେֶ‫֩ࢠݪ‬ͷେৼ෯ूஂӡಈͱ֩෼྾μΠφϛΫε:࿯ࢁ޿ฏ

NITEP ‫ڀݚ‬ձʮඍࢹతཧ࿦Ͱͭͳ͙ࢄཚ‫؍‬ଌྔͱ֩ߏ଄ʯɺ2019 ೥ 3 ݄ 28 ೔ɺେࡕࢢ
ཱେֶ

Study of Barrier Distributions from Quasielastic Scattering Cross Sections towards
Superheavy Nuclei Synthesis:
T. Tanaka,66

10th Stopped and Slow Radioactive Isotope (SSRI) workshop, March 2019, Fukuoka,Japan௒ॏ‫ݩ‬ૉؔ࿈ͷ૷ஔ։ൃ:ాதହ‫و‬
৽ֶज़ྖҬ‫ڀݚ‬ʮӉ஦‫؍‬ଌ‫ݕ‬ग़‫ࢠྔͱث‬ϏʔϜͷग़ձ͍ɻ৽ͨͳԠ༻΁ͷՍ͚‫ڮ‬ɻʯएखϋʔυ΢ΣΞ‫ڀݚ‬ձɺ2019 ೥ 3 ݄, େࡕେֶ௒ॏ֩ਫ਼ີ࣭ྔ෼ੳ΁޲͚ͨ α-ToF ‫ݕ‬ग़‫ث‬ͷ։ൃͱੑೳධՁ:ఉ੉‫ོڿ‬
௒ॏ‫ݩ‬ૉ‫ڀݚ‬ͷ৽ల։ɺ2018 ೥ 7 ݄ 31 ೔ɺ‫۝‬भେֶ

MRTOF-MS ༻ α-ToF ‫ݕ‬ग़‫ث‬ͷੑೳධՁ:ఉ੉‫ོڿ‬ɺ࿨ాಓ࣏ɺP. Schuryɺҏ౻༝ଠɺՃ࣏େ࠸ɺM. Rosenbuschɺ৿ຊ޾࢘ɺӋ৔޺ޫɺ໦ଜ૑େɺੴᖒྙɺ৿ాߒհɺ‫ٶ‬෢Ӊ໵ɺH. Wollnik೔ຊ์ࣹԽֶձ೥ձɹୈ 62 ճ์ࣹԽֶ౼࿦ձ, 2018 ೥ 9 ݄ 18 ೔ɺ‫౎ژ‬େֶ௒ॏ֩ਫ਼ີ࣭ྔ෼ੳ΁޲͚ͨ α-ToF ‫ݕ‬ग़‫ث‬ͷ։ൃ:ఉ੉‫ོڿ‬

2019 ೥ 3 ݄ 5 ೔ɺ֩σʔλͱॏ‫ݩ‬ૉ߹੒Λத৺ͱ͢ΔӉ஦֩෺ཧ‫ڀݚ‬ձɺ๺ւಓେֶ
௒ॏ֩߹੒࣮‫ݧ‬ͷͨΊͷ Si ‫ݕ‬ग़‫ ث‬box ͷ։ൃ:ఉ੉‫ོڿ‬ɺՃ࣏େ࠸ɺ৿ຊ޾࢘ and nSHE collaboration.

2019 ೥ 3 ݄ 17 ೔ɺ೔ຊ෺ཧֶձɹୈ 74 ճ೥࣍େձɺ‫۝‬भେֶ
α-ToF ‫ݕ‬ग़‫ث‬ͷ։ൃͱ 207Ra ͷ࣭ྔ-่յಛੑଌఆ:ఉ੉‫ོڿ‬

2019 ೥ 3 ݄ 18 ೔ɺୈ 10 ճɹఀࢭɾ௿଎ RI ϏʔϜΛ༻͍ͨ֩෼ޫ‫ڀݚ‬ձɺ‫۝‬भେֶ
௿଎ RI ϏʔϜΛ༻͍ͨ 90 Zr ͷཅࢠɾॏཅࢠ༠‫ى‬൓Ԡଌఆ:ೖ෦߂ଠ࿠ɺࣉ੢ߴɺଞ ImPACT17-02-01 ίϥϘϨʔγϣϯ೔ຊ෺ཧֶձୈ 74 ճ೥࣍େձɺ2019 ೥ 3 ݄ 15 ೔ɺ‫۝‬भେֶ

PANDORA ‫ݕ‬ग़‫ ͱث‬PSD ๏Λ༻͍ͨதੑࢠࣝผ:඿໺༑࠸ɺ౦੟ਓɺࡔ໦ॏਔɺए‫ڱ‬ஐ࢚ɺழ໺‫ݩ‬େथɺּ‫ݪ‬൲ಸɺฏҪ༐ຏ

67೔ຊ෺ཧֶձୈ 74 ճ೥࣍େձɺ2019 ೥ 3 ݄ 15 ೔ɺ‫۝‬भେֶඈߦ࣌ؒଌఆ๏Λ༻͍ͨ (d, n) ൓ԠଌఆʹΑΔதੑࢠੜ੒‫ߏػ‬ͷ‫ ڀݚ‬I –ղੳख๏–:౦੟ਓɺࡔ໦ॏਔɺ඿໺༑࠸ɺए‫ڱ‬ஐ࢚ɺழ໺‫ݩ‬େथɺּ‫ݪ‬൲ಸɺฏҪ༐ຏ೔ຊ෺ཧֶձୈ 74 ճ೥࣍େձɺ2019 ೥ 3 ݄ 15 ೔ɺ‫۝‬भେֶඈߦ࣌ؒଌఆ๏Λ༻͍ͨ (d, n) ൓ԠଌఆʹΑΔதੑࢠੜ੒‫ߏػ‬ͷ‫ ڀݚ‬II –൓ԠϞσϧͱͷൺֱ–:ࡔ໦ॏਔɺ඿໺༑࠸ɺ౦੟ਓɺए‫ڱ‬ஐ࢚ɺழ໺‫ݩ‬େथɺּ‫ݪ‬൲ಸɺฏҪ༐ຏ೔ຊ෺ཧֶձୈ 74 ճ೥࣍େձɺ2019 ೥ 3 ݄ 15 ೔ɺ‫۝‬भେֶ

PANDORA ‫ݕ‬ग़‫ث‬Λ༻͍ͨ 11 Li ʹ͓͚ΔΨϞϑɾςϥʔભҠͷ‫ڀݚ‬:ฏҐ༐ຏɺए‫ڱ‬ஐ࢚ɺଞ SAMURAI30 ίϥϘϨʔγϣϯ
ୈ 124 ճ ೔ຊ෺ཧֶձ‫۝‬भࢧ෦ྫձɺ2018 ೥ 12 ݄ 8 ೔ɺେ෼େֶ
೾‫ܗ‬หผʹΑΔཻࢠࣝผͱॏཅࢠ෼ղ൓ԠʹΑΔதੑࢠੜ੒ͷ‫ڀݚ‬:ࡔ໦ॏਔɺए‫ڱ‬ஐ࢚ɺେ৓‫ٱ‬యɺ‫ޙ‬౻लฌɺີຊ࣏৾ɺழ໺‫ݩ‬େथɺּ‫ݪ‬൲ಸɺฏҐ༐ຏɺᖛ໺༑࠸ɺ౦੟ਓ
ୈ 124 ճ ೔ຊ෺ཧֶձ‫۝‬भࢧ෦ྫձɺ2018 ೥ 12 ݄ 8 ೔ɺେ෼େֶ
ϔϦ΢Ϝ 3 ෼ղ൓Ԡ (3 He, n) ͷ‫֩ࢠݪ‬ґଘੑͷ‫ڀݚ‬:ּ‫ݪ‬൲ಸɺए‫ڱ‬ஐ࢚ɺࡔ‫ޱ‬૱ࢤɺழ໺‫ݩ‬େथɺฏҐ༐ຏ
ୈ 124 ճ ೔ຊ෺ཧֶձ‫۝‬भࢧ෦ྫձɺ2018 ೥ 12 ݄ 8 ೔ɺେ෼େֶ
ཅࢠϊοΫΞ΢τ (p, 2p) ൓ԠΛ༻͍ͨ‫֩ࢠݪ‬ͷ෼ޫֶత‫ڀݚ‬:ີຊ࣏৾ɺए‫ڱ‬ஐ࢚ɺࡔ‫ޱ‬૱ࢤɺؔ‫ޱ‬ਔࢠɺલా޾ॏɺେ৓‫ٱ‬యɺ‫ޙ‬౻लฌ
ୈ 124 ճ ೔ຊ෺ཧֶձ‫۝‬भࢧ෦ྫձɺ2018 ೥ 12 ݄ 8 ೔ɺେ෼େֶ֎෦ࢿۚ!! จ෦লՊֶ‫ڀݚ‬අิॿۚ ""จ෦লՊֶ‫ڀݚ‬අิॿۚɺ৽ֶज़ྖҬ‫ڀݚ‬ΤΩκνοΫ֩ࢠଟମ‫Ͱܥ‬ඥղ͘෺࣭ͷ֊૚ߏ଄‫ڀݚ‬෼୲ऀɿए‫ڱ‬ஐ࢚ (‫ڀݚ‬୅දऀ ౦‫ۀ޻ژ‬େֶେֶӃཧֶ‫ڀݚ‬Պ தଜོ࢘)68จ෦লՊֶ‫ڀݚ‬අิॿۚɺ‫ج‬൫‫( ڀݚ‬A)
ཅࢠɾϔϦ΢Ϝ̏ࢄཚʹΑΔࡾମྗՙిεϐϯ T = 3/2 ߲ͷܾఆ‫ڀݚ‬෼୲ऀɿए‫ڱ‬ஐ࢚ (‫ڀݚ‬୅දऀ ౦๺େֶେֶӃཧֶ‫ڀݚ‬Պ ؔ‫ޱ‬ਔࢠ)จ෦লՊֶ‫ڀݚ‬අิॿۚɺ‫ج‬൫‫( ڀݚ‬C)
ࣨԹ௒ภ‫ۃ‬ཅࢠΛ༻͍ͨ৽͍͠ෆ҆ఆ֩෼ޫ๏ͷ։ൃ‫ڀݚ‬୅දऀɿࡔ‫ޱ‬૱ࢤจ෦Պֶল‫ڀݚ‬අิॿۚɺ‫׆ڀݚ‬ಈελʔτࢧԉ஗ൃதੑࢠඈߦ࣌ؒଌఆ๏ʹΑΔೋॏຐ๏਺֩ 78 Ni ͷ‫ڀݚ‬‫ڀݚ‬୅දऀ: ‫৻ڷ‬ଠ࿠ֶ෦̐೥ੜଔ‫ڀݚۀ‬௕ాᣈࢠɿʢࢦಋ‫ڭ‬һɺࣉ੢ߴʣɿCsI(Tl) γϯνϨʔλͱ SiPM Λ༻͍ͨཅࢠ‫ݕ‬ग़‫ث‬ͷ։ൃ‫ٱ‬อେࢤɿ
ʢࢦಋ‫ڭ‬һɺࣉ੢ߴʣ
ɿλϯσϜՃ଎‫͚͓ʹث‬Δྭ‫਺ؔى‬ଌఆγεςϜͷ։ൃࡔ໦ॏਔɿʢࢦಋ‫ڭ‬һɺए‫ڱ‬ஐ࢚ʣɿඈߦ࣌ؒଌఆ๏Λ༻͍ͨ (d, n) ൓ԠʹΑΔதੑࢠੜ੒‫ߏػ‬ͷ‫ڀݚ‬಺౻Նथɿʢࢦಋ‫ڭ‬һɺ৿ాߒհʣ
ɿLi+V ൓Ԡʹ͓͚Δ༥߹োน෼෍ͷܾఆ඿໺༑࠸ɿʢࢦಋ‫ڭ‬һɺए‫ڱ‬ஐ࢚ʣ
ɿPANDORA ‫ݕ‬ग़‫ͱث‬೾‫ܗ‬หผ๏ (PSD ๏) Λ༻͍ͨதੑࢠࣝผͷ‫ڀݚ‬౦ ੟ਓɿʢࢦಋ‫ڭ‬һɺए‫ڱ‬ஐ࢚ʣɿඈߦ࣌ؒଌఆ๏Λ༻͍ͨ (d, n) ൓ԠʹΑΔதੑࢠੜ੒‫ߏػ‬ͷ‫ڀݚ‬ฏ઒‫ܒو‬ɿʢࢦಋ‫ڭ‬һɺ৿ాߒհʣ
ɿ6 Li+51 V ‫ܥ‬ͷޫֶϙςϯγϟϧͷ࣮‫ݧ‬తܾఆ69ଜ্Үేɿ
ʢࢦಋ‫ڭ‬һɺ৿ాߒհʣ
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ʢࢦಋ‫ڭ‬һɺࣉ੢ߴʣ
ɿ௿଎ RI ϏʔϜΛ༻͍ͨ 93 Zr ͷཅࢠ༠‫ى‬൓Ԡଌఆେ৓‫ٱ‬యɿ
ʢࢦಋ‫ڭ‬һɺए‫ڱ‬ஐ࢚ʣɿதॏ֩ʹ͓͚Δ෼ޫֶతखஈͱͯ͠ͷภ‫ۃ‬ཅࢠʹΑΔϊοΫΞ΢τ൓Ԡͷ‫ڀݚ‬‫ޙ‬౻लฌɿ
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ɿॏΠΦϯ‫ݕ‬ग़༻ MCP-ToF ‫ݕ‬ग़‫ث‬ͷ։ൃͱ ToF-

ERDA ๏ʹΑΔੑೳධՁਅ෦݈ଠɿʢࢦಋ‫ڭ‬һɺ৿ాߒհʣ
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ϧͷ‫ڀݚ‬
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ࡔ‫ޱ‬૱ࢤɿ

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