ͷͲͳ37‫ڦ‬఍㆟ሗ࿌Linear Collider Community Meeting ሗ࿌஑ᕞ኱Ꮫ኱Ꮫ㝔⌮Ꮫ◊✲㝔ᮎ ཎ ኱ ᖿ̷ǤǦǤ ǤʹͲͳͻ ᖺ ͷ ᭶ ͳ͵ ᪥

 2019 ᖺ 4 ᭶ 9 ᪥㹼10 ᪥ࡢ᪥⛬࡛㸪ࢫ࢖ࢫ࣭࣮ࣟࢨࣥࢾ

 2019 ᖺ 3 ᭶ 7 ᪥ࡢ ICFA/LCB ఍㆟࡟࠾࠸࡚㸪ᩥ⛉┬࡟ࡼࡢࢫ࢖ࢫ㐃㑥ᕤ⛉኱Ꮫ࣮ࣟࢨࣥࢾᰯ (EPFL) ࡟࡚㸪ࠕLinearࡿࠕ⌧᫬Ⅼ࡛ࡣㄏ⮴⾲᫂࡟ࡣ⮳ࡽ࡞࠸ࡀ㸪ILC ィ⏬࡟㛵ᚰCollider Community Meetingࠖࡀ㛤ദࡉࢀࡓࠋࡇࡢ఍㆟ࡣ᪥ᮏࢆᣢࡗ࡚ᅜ㝿ⓗ࡞ពぢ஺᥮ࢆ⥅⥆ࡍࡿ[1]ࠖ࡜࠸࠺୺᪨ࡢ᪉ᨻᗓ⾲᫂ࢆཷࡅ࡚ࡑࡢᚋࡢ Linear Collider Community ࡢ᪉㔪⾲᫂ࡀ࠶ࡗࡓࠋࡇࢀࢆཷࡅ㸪ᒣෆᶵᵓ㛗࠿ࡽ㸪㔪㸪≉࡟ 5 ᭶࡟ࢢࣛࢼࢲ࡛㛤ദࡉࢀࡿ European Strategy Open

ࠕ1. ᩥ⛉┬࡜ᐦ᥋࡞㐃⤡ࡢࡶ࡜㸪KEK ࡟ᅜ㝿࣮࣡࢟ࣥࢢࢢ

Symposium ࡬ࡢᑐᛂࢆ༠㆟ࡍࡿࡇ࡜ࢆ┠ⓗ࡜ࡋ࡚࠸ࡿࠋ࣮ࣝࣉࢆタ❧ࡋ㸪ILC ࡢᅜ㝿㈝⏝ศᢸ࣭⤌⧊࣭ᢏ⾡㛤Ⓨ༠ ᮏ఍㆟࡟ࡣ CERN Director General ࡢ Fabiola Gianotti Ặ㸪ຊ࡟ࡘ࠸࡚㆟ㄽࡍࡿ㸪

KEK ࡢᒣෆṇ๎ᶵᵓ㛗㸪Linear Collider Board (LCB) Chair ࡢ

2. ᪥ᮏᏛ⾡఍㆟ࡢ࣐ࢫࢱ࣮ࣉࣛࣥ࡬ࡢᥦ᱌ࡸࢩ࣏ࣥࢪ࣒࢘୰⏣㐩ஓẶ (࣍ࢫࢺ࡛ࡶ࠶ࡿ)㸪Linear Collider Collaboration

ࢆ㏻ࡋ࡚ᅜෆᏛ⾡ࢥ࣑ࣗࢽࢸ࢕ࡢ⌮ゎࢆ᥎㐍㸪

Director ࡢ Lyn Evans Ặࢆࡣࡌࡵከࡃࡢ㔜せே≀ࡀ㞟ࡲࡗࡓࠋ

3. ᩥ⛉┬࡟ࡼࡿࢻ࢖ࢶ࣭ࣇࣛࣥࢫ࡜ࡢࢹ࢕ࢫ࢝ࢵࢩࣙࣥࢢ

ཧຍⓏ㘓⪅ࡣ඲㒊࡛ 93 ྡ㸪࠺ࡕ᪥ᮏ࠿ࡽࡢཧຍ⪅ࡣ 12 ྡ࣮ࣝࣉタ❧࠾ࡼࡧ⡿ᅜ࡜ࡢࢹ࢕ࢫ࢝ࢵࢩࣙࣥࢢ࣮ࣝࣉᙉ໬

࡛࠶ࡗࡓࠋILC ࡢᅜෆ࡛ࡢᐇ⌧ࡢࡓࡵ࡟ European Strategy ࡛࡟༠ຊ㸪ࡢࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡢྲྀᢅ࠸ࡣᴟࡵ࡚㔜せ࡛࠶ࡾ㸪᪥ᮏࡢ

4. ᅜ㝿༠ຊ࡟ࡼࡿ R&D ࡟ὀຊࠖILC ࢥ࣑ࣗࢽࢸ࢕࡜ࡋ࡚ࡶᮏ఍㆟ࢆ㔜せどࡋ᪥ᮏࡢ ILC ◊࡜࠸࠺⾜ືィ⏬ࡀⓎ⾲ࡉࢀࡓ[2]ࠋࡇࡢ࠺ࡕ㸪1 ࡘࡵࡢᅜ㝿✲⪅ࢆ௦⾲ࡍࡿேࠎࡀཧຍࡋࡓࠋ࣮࣡࢟ࣥࢢࢢ࣮ࣝࣉ࡟ࡘ࠸࡚ࡣ㸪ࡇࢀࡲ࡛ࡢ◊✲⪅ࡢࡳ࡟ࡼ ᮏ✏࡛ࡣ࠸ࡃࡘ࠿ࡢ㔜せ࡞ࢺࣆࢵࢡࢆྲྀࡾୖࡆࡿࠋࡿ㆟ㄽ࡜␗࡞ࡾ㸪ᩥ⛉┬ࡢࠕᮇᚅࠖ࡟ࡼࡿࢢ࣮ࣝࣉ࡛࠶ࡾ㸪

1 ᪥ᮏᨻᗓࡢ⾲᫂࡜ KEK ࡢ᪉㔪ᩥ⛉┬࡜⥥ᐦ࡞㐃ᦠࡢୖ࡛㐍ࡵࡽࢀࡿࠋᅜ㝿࣮࣡࢟ࣥࢢࢢ࣮ࣝࣉࡢ⤖ㄽࡀฟࡿࡢࡣ 9 ᭶㡭ࢆணᐃࡋ㸪ࡑࡢ⤖ᯝ (≉࡟ᅜ㝿㈝⏝ศᢸࡢ᱌) ࡣᨻᗓࡢḢ⡿࡜ࡢࢹ࢕ࢫ࢝ࢵࢩࣙࣥ࡟ά⏝

LCB/ICFA mtgs. @ TokyoEPPSU submittedto CERN

European Particle Physics Strategy Update
Draft proposal by researchers
on international cost sharing

Establish KEK International WG
Produce draft for international sharing ofhuman and material resources

ILC pre-lab(4 years)

Final agreement among governmentson construction

3/7

SCJ Master Plan

Critical decision
process
MOU among research labs on start ofthe preparation phase under approval byeach government

Physicists Level

Next Roadmapby MEXT

Full-scale negotiation among
governments – specification ofconditions and processesࡿࠋࡇࡢ 4 ࡘࡢ᪉㔪ࡣᴫࡡዲព
Start construction of ILC

Strengthen US-Japan Discussion
Group, cost reduction R&D,governance discussion

Oct. 2019
SCJ committee on ILC

Agreement on governance,
operation, sharing of costand human resources

Discussion among governments
Exchange of information

Establish Discussion Group withthe European partners

ࡉࢀࡿࡇ࡜ࢆ᝿ᐃࡋࡓࡶࡢ࡜࡞

2024-Start negotiations among governments
on international sharing

Summarize
opinions ofrelevant
ministries

Announcement
by Japanese government

Government Level
MEXT
panel

2020.52019.32018.12

Talks with other countries

Good enough design for the final approval of construction, resolution of remaining technical issues＊ICFA: international organization of researchers consisting of directors of world’s major accelerator labs and representatives of researchers＊ILC pre-lab: International research organization for the preparation of ILC based on agreements among world’s major accelerator labs such as KEK, CERN, FNAL, DESY etc.

ⓗ࡟ཷࡅṆࡵࡽࢀࡓࡀ㸪ᶵᵓ㛗ࡀ♧ࡋࡓࢱ࢖࣒ࣛ࢖ࣥ (ᅗ 1)࡟㛵ࡋ࡚㸪European Strategy ࡢࢱ࢖࣒ࢫࢣ࣮ࣝ (ᮏᖺ 5 ᭶ࡢࢢࣛࢼࢲ࡛ࡢ Open Symposium㸪᮶ᖺ 1 ᭶ࡢ Drafting session㸪᮶ᖺ 5 ᭶ࡢ᭱⤊Ỵᐃ) ࡟㛫࡟ྜ࠺ࡼ࠺࡟᪥ᮏᨻᗓ࠿ࡽࡢࡉࡽ࡞ࡿ
⾲᫂ (ࢢ࣮ࣜࣥࣛ࢖ࢺ) ࡀ࡞ࡅࢀࡤ㸪Ḣᕞ࡛ࡢ ILC ༠ຊࡀ㞴ࡋࡃ࡞ࡿ࡜࠸࠺ពぢࡶ࠶ࡗࡓࠋࡓ
ࡔࡋ㸪࠸ࡘࡀᐇ㝿ࡢ deadline ࠿㸪࡝ࡢࡼ࠺࡞⾲᫂ࡀᚲせ࠿࡟ࡘ࠸࡚ࡣ㸪୍⮴ࡋࡓぢゎࡣ࡞࠸࡜ᛮᅗ 1: ᒣෆᶵᵓ㛗ࡀ♧ࡋࡓ ILC ᐇ⌧ࡲ࡛ࡢࢱ࢖࣒ࣛ࢖ࣥ (ᅗࡣ 5 ᭶ࡢ TYL/FJPPL work-ࢃࢀࡿࠋᶵᵓ㛗࠿ࡽࡣ㸪᪩࠸ẁ

shop ࡛ᒸ⏣⌮஦ࡀ♧ࡋࡓྠෆᐜࡢࡶࡢࢆ㌿㍕)ࠋᅗ୰ኸࡸࡸྑࡢ Start negotiation ࡛ጞ㝵࡛ࡢᨻᗓ⾲᫂ࡀᚓࡽࢀࡿࡼ࠺ࡲࡿ⦪㛗ࡢ࣎ࢵࢡࢫࡀ࠸ࢃࡺࡿࠕࢢ࣮ࣜࣥࣛ࢖ࢺ࡛ࠖ࠶ࡿࠋ(ᮏᩥࢆཧ↷)ດຊࡍࡿ࡜ࡢࢥ࣓ࣥࢺࡀ࠶ࡗࡓࠋͷͲʹ382 CERN ࡢᑗ᮶ィ⏬࡜ European Strategyᯝࡀࡼࡃ㸪᪩ᮇ࡟ᘓタࡀྍ⬟࡛㸪ከᙬ࡞⤖ᯝࢆ⏕ࡴ࢔ࣉ࣮ࣟ CERN DG ࡢ Fabiola Gianotti Ặ࠿ࡽࡣ CERN ࡢ㛤Ⓨண⟬᮶ࡢຍ㏿ჾ࡬ࡢ㐨ࢆ㛤ࡃ࡜࡜ࡶ࡟㸪ᑗ᮶ࡢ࢔ࢵࣉࢢ࣮ࣞࢻࢆࡢ⌧≧࠿ࡽ CLIC (CERN ࡢᖖఏᑟ㟁Ꮚ㝧㟁Ꮚࣜࢽ࢔ࢥࣛ࢖ྵࡴ㛗ᮇࡢ㟁Ꮚ㝧㟁Ꮚࡢ≀⌮ࣉࣟࢢ࣒ࣛࢆ᥎㐍࡛ࡁࡿࡇ࡜ࢲ࣮) ࡜ FCCee (100 km ࡢࢺࣥࢿࣝࢆᣢࡘ෇ᙧࡢ㟁Ꮚ㝧㟁ࢆ㏙࡭࡚࠸ࡿࠋ᭱ᚋ࡟ࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡣ㏿ࡸ࠿࡟ᘓタࡀ㛤Ꮚࢥࣛ࢖ࢲ࣮) ࡢ୧ィ⏬ࢆᮏ᱁ⓗ࡟᥎㐍ࡍࡿࡇ࡜ࡣ㞴ࡋࡃ㸪ጞࡉࢀ㸪2035 ᖺ㡭ࡲ࡛࡟ᐇ㦂㛤ጞࡍࡿ࡭ࡁ࡛࠶ࡾ㸪ࡑࡢࡓ௒ᅇ㆟ㄽࡉࢀ࡚࠸ࡿ European Strategy ࡢᮇ㛫(2020 ᖺ㹼)࡛ࡵ࡟࡝ࡇ࡟ LC ࡀ࡛ࡁࡿ࡟ࡏࡼ࣮ࣚࣟࢵࣃ࡜ CERN ࡢ୺ᑟࡣ㸪࡝ࡕࡽ࠿ࡢィ⏬࡟⤠ࡗ࡚᥎㐍ࡍࡿࡇ࡜ࡀ⌧ᐇⓗࡔ࡜࠸࠺ⓗ࡞ᙺ๭ࡀᚲせ࡜㏙࡭࡚࠸ࡿࠋ୺᪨ࡢ⾲᫂ࡀ࠶ࡗࡓࠋࢢࣛࢼࢲ࡛ࡢ Open Symposium ࠾ࡼࡧ 2 ❶┠ࡢࠕࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡢ⫼ᬒ࡜ᚲせᛶ: ୺せ࡞ㄽⅬࡑࡢᚋࡢ Drafting session ࡟࠾࠸࡚ࡣ Linear vs Circular ࡀ㆟ࡢࡲ࡜ࡵ࡛ࠖࡣ㸪1 ❶┠ࡢࡲ࡜ࡵࢆࢧ࣏࣮ࢺࡍࡿ㆟ㄽࡀ㐍ࡵㄽࡢ୍ࡘࡢ↔Ⅼ࡜࡞ࡿ࡜⪃࠼ࡽࢀࡿࠋCLIC ࡢึᮇィ⏬ (380ࡽࢀ㸪ࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡢࢡ࣮ࣜࣥ࡞⎔ቃ࡟ࡼࡿ⢭ᐦGeV) ࡣ FCCee ࡜ࡣ␗࡞ࡾ CERN ࡢ㏻ᖖண⟬ࡢ⠊ᅖෆ࡛ᘓ᪂ᢏ⾡➼࡟ࡼࡿ㛗ᮇ࡟ࢃࡓࡿ࢔ࢵࣉࢢ࣮ࣞࢻྍ⬟ᛶ㸪⏘ᴗࢳ࡛࠶ࡿ࡜ᙉㄪࡉࢀ࡚࠸ࡿࠋࡲࡓࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡀ᭦࡟ᑗᐃ㸪タ࣭㐠㌿ࡀྍ⬟࡜ࡢㄆ㆑࡛࠶ࡾ㸪ࡇࢀࡣ CLIC ࡢ኱ࡁ࡞࣓ᛂ⏝ࡢᗈ࠸ຍ㏿ჾ⛉Ꮫ࡜ࡢ㐃ᦠ࡟ࡘ࠸࡚㆟ㄽࡉࢀ㸪ILC ࡜ࣜࢵࢺࡢ୍ࡘ࡛࠶ࡿࠋᣑᙇᛶ࡟ࡘ࠸࡚ࡣ CLIC ࡣ TeV ௨ୖ

CLIC ࡀ࠸ࡎࢀࡶ 15 ᖺ⛬ᗘࡢᮇ㛫࡜ LHC ᘓタ᫬࡜ྠ⛬ᗘࡢࡢ࢚ࢿࣝࢠ࣮࡬ࡢ࢔ࢵࣉࢢ࣮ࣞࢻࢆ㸪FCCee ࡣ✲ᴟⓗ࡟ࡣࣜࢯ࣮ࢫ࡛ᘓタ࡛ࡁࡿࡇ࡜ࢆ♧ࡋ࡚࠸ࡿࠋࡲࡓ㸪ḟୡ௦ࣁࢻࣁࢻࣟࣥࢥࣛ࢖ࢲ࣮(FCChh)࡟⨨ࡁ᥮࠼ࡿࡇ࡜ࢆ┠ᣦࡋ࡚࠸ࣟࣥࢥࣛ࢖ࢲ࣮࣭࣑࣮ࣗ࢜ࣥࢥࣛ࢖ࢲ࣮➼ࡣᐇ⌧ࡢࡓࡵᢏ⾡ࡿࡀ㸪CLIC ࡣ㟁ຊᾘ㈝ࡢ㠃࡛㸪FCChh ࡣ㉸ఏᑟ☢▼ࡢၥ㢟ⓗ㠉᪂ࡀᚲせ࡛࠶ࡾ㸪ࡑࢀࡽࡣࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡢ㐠㌿୰࡟࡜ண⟬ࡀ⭾኱࡞ࡇ࡜࠿ࡽᅔ㞴ࡀከࡃ㸪≉࡟ FCChh ࡢᐇ⌧ࡣ㐍ࡵࡽࢀࡿࡇ࡜ࡶㄽࡌ࡚࠸ࡿࠋ࠿࡞ࡾᑗ᮶ࡢࡇ࡜࡜࡞ࡿࠋࣄࢵࢢࢫࣇ࢓ࢡࢺ࣮ࣜ࡜ࡋ࡚ࡢᛶ 3 ❶┠ࡢࠕィ⏬ࡢヲ⣽࡛ࠖࡣ㸪CERN ࡟࠾ࡅࡿᐇ⌧ィ⏬࡛⬟࡟ࡘ࠸࡚ࡣ㸪FCCee ࡀ࣑ࣝࣀࢩࢸ࢕ࡢⅬ࡛ࡣࡸࡸඃ఩࡛࠶ࡿ CLIC ࡜᪥ᮏ࡟࠾ࡅࡿᐇ⌧ィ⏬࡛࠶ࡿ ILC ࡟ࡘ࠸࡚ᑐ࠶ࡿࡶࡢࡢ㸪㟁Ꮚ࣭㝧㟁Ꮚ೫ᴟࡢຠᯝࡸ㸪ண⟬つᶍࡀ㐪࠺ࡇ↷ࡋ࡞ࡀࡽㄽࡌ࡚࠸ࡿࠋ୺せࣃ࣓࣮ࣛࢱ࡟ࡘ࠸࡚㏙࡭ࡓ࠶࡜ࡶ⪃៖ࡍࡿ࡜࡝ࡕࡽࡀ⥲ྜⓗ࡟ඃ఩࡜ࡣ୍ᴫ࡟ゝ࠼࡞࠸࡜㸪CLIC ࡟ࡘ࠸࡚ࡣ㸪ᚲせ࡞ᖖఏᑟຍ㏿ჾᢏ⾡ࡀᡂ⇍ࡋࡓ࡜⪃࠼ࡽࢀࡿࠋFCCee ࡢ୍㒊ࡢ◊✲⪅࡟ࡼࡿẚ㍑ᅗࡣ࣑ࢫ㡿ᇦ࡟㐩ࡋ㸪ୡ⏺୰ࡢຍ㏿ჾィ⏬࡛ά⏝ࡉࢀጞࡵ࡚࠸ࡿࡇ࣮ࣜࢹ࢕ࣥࢢ࡛࠶ࡾ㸪ࢢࣛࢼࢲ➼ࡢ㆟ㄽ࡟࠾࠸࡚ࡑࡢࡼ࠺࡞࡜㸪LHC ᚋࡢィ⏬࡜ࡋ࡚㨩ຊⓗ࡛࠶ࡾ㸪CERN ࡛ᘓタࡉࢀ୍᪉ⓗ࡞ぢ᪉࡟ᇶ࡙࠸࡚㆟ㄽࡀ㐍ࡲ࡞࠸ࡼ࠺ὀពࡍࡿࡇ࡜ࡿᑗ᮶ࢥࣛ࢖ࢲ࣮࡜ࡋ࡚᭱Ⰻࡢ࢜ࣉࢩࣙࣥ࡜⪃࠼ࡽࢀࡿ࡜ࡀ☜ㄆࡉࢀࡓࠋ

ࡋ࡚࠸ࡿࠋILC ࡟ࡘ࠸࡚ࡣ㸪European XFEL ➼࡛㉸ఏᑟຍ㏿

3 CLIC ࡜ ILC ࡢ㛵ಀᢏ⾡ࡣᡂ⇍ࡋ࡚࠾ࡾ㸪ࡍ࡛࡟฼⏝ࡉࢀ࡚࠸ࡿࡇ࡜㸪ୡ⏺୰࠿ࡽὀ┠ࡉࢀ࡚࠸ࡿィ⏬࡛࠶ࡾ࣮ࣚࣟࢵࣃࡣ㛗ᖺ୺せ࡞㈉⊩ CLIC ࡜ ILC ࡣࠕࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࠖ࡜ࡋ࡚༠ຊ㛵ಀ࡟࠶ࢆࡋ࡚ࡁࡓࡇ࡜㸪ᘓタ‽ഛࡀ᏶஢ࡋ࡚࠾ࡾ࣮ࣚࣟࢵࣃࡢ⣲⢏ࡿࡀ㸪ࠕ୧᪉ࡀ࡛ࡁࡿࢃࡅ࡛ࡣ࡞࠸ࠖ࡜࠸࠺ᬯ㯲ࡢ஢ゎࡶ࠶Ꮚ≀⌮ࢥ࣑ࣗࢽࢸ࢕㸪ᢏ⾡ࢭࣥࢱ࣮㸪⏘ᴗ⏺ࡣཧຍࡍࡿ‽ഛࡿࠋ௒ᅇࡢ఍㆟࡛ࡣ㸪CLIC ࡜ ILC ࡣࠕྠࡌィ⏬ࡢ␗࡞ࡿᐇࡀ࡛ࡁ࡚࠸ࡿࡇ࡜ࢆ♧ࡋ㸪᪥ᮏ࡟࠾ࡅࡿ 250 GeV ࡢ ILC ࡣ⌧ᙧែ࡛࠶ࡿࠖ࡜࠸࠺ぢゎࡀ☜ㄆࡉࢀ㸪ࢢࣛࢼࢲ࡛ࡣ 500࣮ࣚࣟࢵࣃࡢᙉຊ࡞㈉⊩࡟ࡼࡾ㸪ࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡢ㨩ຊⓗGeV ௨ୖࡢ㧗࢚ࢿࣝࢠ࣮㟁Ꮚ㝧㟁Ꮚ⾪✺ࢆᑗ᮶ⓗ࡟ྍ⬟࡜࡞ᐇ⌧ᙧែ࡜࡞ࡿ࡜⥾ࡵࡃࡃࡽࢀ࡚࠸ࡿࠋࡍࡿࠕࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࠖࡢᐇ⌧ࢆ┠ᣦࡍ࡜࠸࠺᪉㔪ࡀ☜ㄆ ࡇࡢ Meeting Summary ࡣ㸪ࢢࣛࢼࢲࡸࡑࡢᚋࡢ EuropeanࡉࢀࡓࠋStrategy ࣉࣟࢭࢫ࡛ࡢ㆟ㄽ࡟࠾࠸࡚㸪ࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࢥ࣑ࣗ

4 Meeting Summaryࢽࢸ࢕࡟ᑐࡍࡿ⛉Ꮫⓗ㸪ᢏ⾡ⓗ㸪ᡓ␎ⓗ࡞ඹ㏻ࣅࢪࣙࣥࢆᥦ ఍㆟࡟࠾ࡅࡿ Discussion session ࡛ࡢពぢ஺᥮࠾ࡼࡧࡑࡢ

ᮏ✏ࡣⴭ⪅ࡢ⚾ⓗ࡞ᢒヂ࡛࠶ࡾ㸪ࡼࡾṇ☜࡟ࡣཧ⪃ᩥ⊩[3]ᚋࡢ࣓࣮࣮ࣝ࣋ࢫ࡟ࡼࡿពぢ஺᥮ࢆ⤒࡚㸪Meeting Summaryࡢཎᩥࢆཧ↷ࡉࢀࡓ࠸ࠋ౪ࡍࡿᙺ๭ࢆᮇᚅࡍࡿ࡜ࡢ࣓ࢵࢭ࣮ࢪ࡜࡜ࡶ࡟Ⓨಙࡉࢀࡓࠋ

ࡀ 5 ᭶ 8 ᪥࡟බ㛤ࡉࢀࡓ[3]ࠋMeeting Summary ࡣ 3 ❶࠿ࡽ࡞ࡾ㸪ࡣࡌࡵࡢࠕ2019 ᖺ 4 ᭶ࡢ࣮ࣟࢨࣥࢾ࡟࠾ࡅࡿࣜࢽ࢔ཧ⪃ᩥ⊩ࢥࣛ࢖ࢲ࣮࣑࣮ࢸ࢕ࣥࢢࡢ⤖ㄽ࡛ࠖࡣ㸪ࡲࡎ㸪ᶆ‽ᶍᆺࢆ㉺[1] https://www.kek.jp/ja/newsroom/2019/03/13/1830/

࠼ࡿ᪂≀⌮ࡢ᥈⣴ࡢࡓࡵ㸪㟁Ꮚ㝧㟁Ꮚ⾪✺࡟ࡼࡿࣄࢵࢢࢫ

[2] https://indico.cern.ch/event/789524/contributions/33

ࡸࡑࡢ௚ࡢ⢏Ꮚࡢ⢭ᐦ

40272/ᐃ㸪ࣁࢻࣟࣥ┦஫స⏝࡛ほࡀ㞴ࡋ࠸᪂⌧㇟ࡢ┤᥋᥈⣴ࡢ㔜せᛶࡀ㏙࡭ࡽࢀ࡚࠸ࡿࠋࡑࡢୖ

[3] https://indico.cern.ch/event/789524/contributions/3380195/at࡛㸪ࣄࢵࢢࢫ⢭ᐦ

tachments/1826537/3016235/lc-strategy-May2019.pdf

ᐃ➼࡟㐺ࡋࡓึᮇ࢚ࢿࣝࢠ࣮࡜࣑ࣝࣀࢩࢸ࢕ࢆᣢࡘ㟁Ꮚ㝧㟁Ꮚࣜࢽ࢔ࢥࣛ࢖ࢲ࣮ࡀ㸪᭱ࡶ㈝⏝ᑐຠ