chacaltaya (bolivia - 5500 m) - sif
TRANSCRIPT
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Chacaltaya (Bolivia - 5500 m)
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1946/47 - La scoperta del mesone π
Hideki Yukawa(1907-1981)
La prima fotografia del decadimento π-µ(Ilford C2 - Kurtz, Roberts)
π
µ
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1948 -Conferenza Solvay
Schrödinger Pauli Dirac HeitlerTonnelat Bohr Meitner De Donder
Cockcroft Richardson Bragg Kramers Verschaffelt
Goldschmidt-Clermont DilworthBlackett Occhialini Powell
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1948-1959: Università Libera di Bruxelles - SolboschCentro di Fisica Nucleare
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Max Cosyns (1906-1998) 1949- Laurea Honoris Causa
- Bullettin du Centre de Physique Nucléaire de Bruxelles- Studio delle Ilford G5 e Kodak NT2 NT4- Collaborazioni con Genova e Milano- 1952: Morte di Marcel Loubens
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Ritaglio stampa
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Plates Clearing
Traccia elettronica
Decadimento π-µ-e
π → µ + νµe + νe
Ilford G5
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Metodo di sviluppo in temperatura di Occhialini
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1949-1951Istituto di Fisica
Genova
Bonetti, Tomasini
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1952Missione UNESCO
- Laboratorio di Chacaltaya- Centro Brasiliano di Ricerche Fisiche
(Rio de Janeiro)
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José Costa Ribeiro Cesare Lattes Beppo Occhialini Martha Lattes
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1951-1983Milano - Istituto di Fisica
Giovanni Polvani (1892-1970)
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Alberto BonettiRiccardo Levi-Setti
Livio Scarsi
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Le Particelle Strane
1947: Rochester e ButlerParticelle V
Particelle instabili con mπ < m < mp
decadono in altre particelle (pioni)
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Lanci di palloni: cooperazioni internazionali
- 1947/48 Bristol-Padova- 1952 da Napoli e Cagliari (13 gruppi)- 1953 da Elmas (18 gruppi)- 1954 da Novi Ligure (G-Stack)
1953 - Elmas
1954 - G-Stack
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Incontri internazionali:
- 1951 Bristol Meeting- 1953 Bagnères-de-Bigorre- 1953 Bern Meeting- 1954 Congresso di Padova- 1954 Scuola di Varenna- 1955 Congresso di Pisa- 1956 Rochester Conference- 1957 Congresso di Padova-Venezia
1955 Pisa
1954 Scuola di Varenna
Rossi
Fermi
Heisenberg
Leprince-Ringuet
Bruno Touschek
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1954Collaborazione G-Stack
- Bristol: H.H. Wills Physical Laboratory- Bruxelles: Laboratoire de Physique Nucléaire- Copenaghen: Institute for Theoretical Physics- Dublino: Institute for Advanced Studies, University College- Genova: Istituto di Fisica- Milano: Istituto di Scienze Fisiche, INFN- Padova: Istituto di Fisica, INFN
τ
π-
Mesoni Pesanti
Iperoni
τ ± → π ± + π + + π − Kπ 3
′ τ ± → π ± + π 0 + π 0 Kπ 3
Kµ → µ + ν Kµ 2
χ(θ +) → π + + π 0 Kπ 2
κ → µ + ?+ ? Kµ 3
Kβ → β + ?+ ? Kβ
V10 → p + π − Λ0
V20(θ0) → π − + π − KS
0
V + → p + π 0 Σ+
Λ− → n + π − Σ−
Ξ− →V10 + π − Ξ−
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Berkeley - Bevatron CERN - Protosincrotrone
Collaborazione K-
- Bristol: H.H. Wills Physical Laboratory- Bruxelles: Laboratoire de Physique Nucléaire- Copenaghen: Institute for Theoretical Physics- Dublino: Institute for Advanced Studies, University College- Londra: University College- Milan: Istituto di Scienze Fisiche, INFN- Padova: Istituto di Fisica, INFN
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Murray Gell-Mann
Richard Dalitz
Dalitz Plot
Relazione diGell-Mann - Nishijima
Kazuhiko Nishijima
Non-conservazione della parità
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La transizione al periodo astrofisico
- Camera a bolle (CERN)
- Lancio dello Sputnik (1957)
Tracce in camera a bolle - CERN
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1960 - Anno sabbatico al MIT con Bruno Rossi
- Fisica del plasma interplanetario
- Raggi γ cosmici
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Il Gruppo di Fisica dello Spazio di Milano
- Collaborazione Milano-Saclay (camere a scintilla)
- 1964: ESRO (European Space Research Organisation) COS - Group
- 1967: GIFCO (Gruppo Italiano di Fisica CO) con Bologna, Frascati, Torino
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Congresso internazionale di raggi cosmici (Rajpur)
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HEOS A1 (1968-1975)TD A1 (1972-1974)HEOS A2 (1972-1974)
- Campi elettrici- Campi magnetici- Anisotropia raggi cosmici- Vento solare- Elettroni primari- Scanning UV e IR- Raggi X solari- Raggi γ solari- Raggi γ celesti- Micrometeoriti
Satellite HEOS A1
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Satellite COS-B (1975-1981)
Collaborazione CARAVANE
Garching, Leiden, Milano,Nordwijk, Palermo, Saclay
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Mappa gamma della nostra Galassia
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Lancio del satellite BeppoSAX
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1993
Pontecorvo (Dubna, 24 settembre)
Rossi (Boston, 21 novembre)
Occhialini (Parigi, 30 dicembre)
2002 Riccardo Giacconi
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