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࢚ࣞࢡࢺࣟࢽࢡࢫ⣔ᕤᏛᑓᨷ
᝟ሗฎ⌮ศ㔝
㺘㺻㺩㺽㺋㺡㺎㺚㺌㺣㺷㺙㺐㺒㺻㺛◊✲ᐊ ᩍᤵ ⋢⏣㞞ᐉ Computational Science Lab
Prof.
Masanobu Tamada
࣮࣮࢟࣡ࢻ
Ᏹᐂ⥺ࠊᏱᐂࠊ㉸㧗࢚ࢿࣝࢠ࣮┦஫స⏝
ࢩ࣑࣮ࣗࣞࢩࣙࣥࠊࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡ cosmic-rays, the universe, very high energy nuclear
interaction, simulations, neural networks
◊✲ෆᐜ
㧗 ᒣ ࡛ ࡢ ࢚ ࣐ ࣝ ࢩ ࣙ ࣭ࣥࢳ ࢙ ࣥ ࣂ ࣮ ࠾ ࡼ ࡧ ✵
Ẽࢩ࣮ࣕ࣡㐃ືᐇ㦂
ࢳࣕ࢝ࣝࢱࣖᒣୖ㸦༡⡿࣎ࣜࣅ࢔ࠊᾏᢤ P㸦ୗ
෗┿㸧㸧࡟࠾ࡅࡿ࢚࣐ࣝࢩ࣭ࣙࣥࢳ࢙ࣥࣂ࣮࠾ࡼࡧ
✵Ẽࢩ࣮࣭ࣕ࣡࢔ࣞ࢖㐃ືᐇ㦂㹙᪥ᮏ࣭ࣈࣛࢪ࣭ࣝ
࣎ࣜࣅ࢔ᅜ㝿ඹྠᐇ㦂㹛
Ᏹᐂ⥺ᐇ㦂ࢹ࣮ࢱゎᯒࡢࡓࡵࡢࢩ࣑࣮ࣗࣞࢩࣙࣥ
ィ⟬
ࢽ࣮ࣗࣛࣝࢿࢵࢺ࣮࣡ࢡࡢᏱᐂ⥺ᐇ㦂ࢹ࣮ࢱゎᯒ
࡬ࡢᛂ⏝
ᅗ ࡢ ࡼ ࠺ ࡟ ༙ ᚄ ࠥ P ࡢ 㡿 ᇦ ࡟ 㓄 ⨨ ࡉ ࢀ ࡓ
✵ Ẽ ࢩ ࣕ ࣡ ࣮ ࢔ ࣞ ࢖ ࡢ୰ኸ㒊࡟࢚࣐ࣝࢩ࣭ࣙࣥࢳ
࢙ࣥࣂ࣮>㖄࡜ឤගᒙ㸦㹖⥺ࣇ࢕࣒ࣝࠊཎᏊ᰾஝ᯈ㸧
࡜ࡢࢧࣥࢻ࢘࢕ࢵࢳ@࡜ࢩࣥࢳ࣮ࣞࢱ ྎ࠿ࡽ࡞ࡿ
15
ࣂ࣮ࢫࢺ᳨ฟჾࢆ㧗ᒣ࡟ᘓタࡋࠊ10 eVࢆ㉺࠼ࡿ
࢚ࢿࣝࢠ࣮ࢆᣢࡘᏱᐂ⥺࡜✵ẼཎᏊ᰾࡜ࡢ᰾⾪✺࡛
⏕ࡌࡿ⢏Ꮚከ㔜Ⓨ⏕⌧㇟ࢆほ ࡋ࡚࠸ࡿ ࡇࢀࡽ
ࡢࢹ࣮ࢱࢆ⏝࠸࡚ࠊࡇࡢ࢚ࢿࣝࢠ࣮㡿ᇦ࡛ࡢ᰾┦஫
స⏝ࡢ≉ᚩࠊ୍ḟᏱᐂ⥺ࡢ໬Ꮫ⤌ᡂࢆㄪ࡭ࠊࡉࡽ࡟
Ᏹᐂ⥺ࡢ㉳※ࠊఏ᧛࣓࢝ࢽࢬ࣒ࢆゎ᫂ࡍࡿࡇ࡜ࢆ┠
ⓗ࡜ࡍࡿᐇ㦂ࢹ࣮ࢱࡢゎᯒࡢࡓࡵ࡟ᵝࠎ࡞┦஫స
⏝ࣔࢹࣝࢆ௬ᐃࡋࡓࢩ࣑࣮ࣗࣞࢩࣙࣥィ⟬ࢆ⾜ࡗ࡚
࠸ࡿࡀࠊ⌧ᅾࡢࣔࢹ࡛ࣝࡣ༑ศ࡟ᐇ㦂ࢹ࣮ࢱࢆㄝ᫂
ࡋࡁࢀ࡞࠸ࡇ࡜ࢆ᫂ࡽ࠿࡟ࡋ࡚࠸ࡿࠋࡲࡓࠊࢽ࣮ࣗ
ࣛࣝࢿࢵࢺ࣮࣡ࢡ࡞࡝ᵝࠎ࡞᪂ࡋ࠸ᡭἲࢆࢹ࣮ࢱゎ
ᯒ࡟ྲྀࡾධࢀ࡚࠸ࡿࠋ
᭱㏆ࡢᴗ⦼㸦‫ ۑ‬ㄽᩥ ‫ⴭ ۔‬᭩ ‫≉ ی‬チ @ ⾲ᙲ ‫ ڦ‬እ
㒊࠿ࡽࡢ◊✲㈝➼㸧
‫ۑ‬J.Kempa, M.Tamada et al.; Emulsion chamber observations
of Centauros, aligned events and the long-flying component;
Cent. Eur. Phys. 10(4) (2012) 723 – 741
‫ۑ‬A.Ohsawa, E.H.Shibuya, M.Tamada; Description of
(pseudo-) rapidity density distribution and transverse
momentum distributions in a wide energy range (s1/2=22.4 –
7000 GeV); Int. J. of Modern Phys. A Vol.27 (2012)
1250043
‫ۑ‬A.Ohsawa, E.H.Shibuya, M.Tamada; Empirical formulation
of rapidity density distribution in multiple particle
production in a wide energy range fro fixed target to LHC; J.
Phys. G37 (2010) 075003
‫ۑ‬A.Ohsawa, E.H.Shibuya, M.Tamada; Exotic characteristics
of Centauro-I: A model to describe Centauro-I; J. Phys.G32
(2006) 2333 – 2344
‫ۑ‬M.Tamada; Emulsion chamber experiments: critical
comments and future prospects, Nucl. Phys. B (Proc. Suppl.)
151 (2006) 244 – 251
‫ڦ‬᪥ᮏᏛ⾡᣺⯆఍⛉Ꮫ◊✲㈝ᇶ┙◊✲(C) (ᖹᡂ 15—16
ᖺᗘ)
‫ڦ‬ᮾி኱ᏛᏱᐂ⥺◊✲ᡤඹྠ฼⏝◊✲㸦ᖹᡂ 17 ᖺᗘ㸧
‫ڦ‬ᮾி኱ᏛᏱᐂ⥺◊✲ᡤඹྠ฼⏝◊✲㸦ᖹᡂ 18 ᖺᗘ㸧
‫ڦ‬ᮾி኱ᏛᏱᐂ⥺◊✲ᡤඹྠ฼⏝◊✲㸦ᖹᡂ 19 ᖺᗘ㸧
‫ڦ‬ᮾி኱ᏛᏱᐂ⥺◊✲ᡤඹྠ฼⏝◊✲㸦ᖹᡂ 20 ᖺᗘ㸧
ࣂ࣮ࢫࢺ᳨ฟჾࡢ
ᵓ㐀㸸
࢚࣐ࣝࢩ࣭ࣙࣥࢳ
࢙ࣥࣂ࣮㸦ୖ㒊㸧
࠾ࡼࡧࢩࣥࢳ࣮ࣞ
ࢱ᳨࣮ฟჾ㸦ୗ㒊㸧
࠿ࡽ࡞ࡿࠋ
ࢳࣕ࢝ࣝࢱࣖᏱᐂ⥺ほ ᡤ㸦࣎ࣜࣅ࢔ࠊᾏᢤ 5200m 㸧