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The beginning of the scientific life of Milla and her present heritage My destiny : Padua or Milan? => A.Rostagni The Marmolada Laboratory

E.Fiorini 20/10/2012 Milla and her scientific heritage 1 The Mediterranean flights and A first example of European collaboration in => G-Stack collaboration (2952–1955): Powell, Merlin and Occhialini

E.Fiorini 20/10/2012 Milla and her scientific heritage 2 Beppo with Bruno Toushek

E.Fiorini 20/10/2012 Milla and her scientific heritage 3 Since the very beginning a close collaboration between Milano and Padua Occhialini comincia a farmi domande e io gli rispondo... Abbiamo cominciato alle nove di mattina e il suo treno per Milano partiva alle sei e mezzo della sera. “Mi accompagni.”. Lui aveva un rotolo di carta sotto il braccio, io ero in camice; siamo usciti... Continuava a dirmi: “Ma allora... perché ... perché... perché?”. Finché, prima di salire sul treno, ..ha preso nota del mio punto di vista su questo rotolo di carta. Poi mi arriva una telefonata da Milano..È Occhialini che dice:“Ieri aveva ragione lei.”.Ringrazio e dico:“GrazieConnie”

Later the K European collaboration with nuclear emulsions exposed to K+ beams at Berkeley also in close collaboration with Milan

THE DISCREET CHARM OF THE NUCLEAR EMULSION ERA Milla Baldo Ceolin Department of Physics, University of Padova and I.N.F.N., Sezione di Padova, Via Marzolo 8, Padova 35131, ; e-mail: [email protected] In Annual Review of Nuclear Science (2002)

E.Fiorini 20/10/2012 Milla and her scientific heritage 4 E.Fiorini 20/10/2012 Milla and her scientific heritage 5 My first meeting with Milla First impression => Second Impression Two sentences of Carlo: - About their couple -At the meeting of the Societa’ Italiana di Fisica => The letter of…..is full of …

Milla => K meson physics with stacks of emulsions Collaboration international including the Milano group Giuseppe (Beppo) Occhialini Unique experience in this technique in Europe Discovery of the first antilambda particle

Anti-Lambda Hyperon," Phys. Rev. Lett., 1:179 (1958), with D.J. Prowse. The discovery of anti-matter endowed with strangeness (antilambda) in 1958.

Ettore => cloud chambers on cosmic rays searching for a non existing particle under the liedership of Marcello Conversi Sabiun , luogo de punisium with Later with bubble chambers in the States

E.Fiorini 20/10/2012 Milla and her scientific heritage 6 Contamination also of Carlo Non-adiabatic treatment of the scattering of K+-mesons by nucleons

C. Ceolin, L. Taffara in Il Nuovo Cimento(1955)

E.Fiorini 20/10/2012 Milla and her scientific heritage 7 Interactions of K+-mesons with emulsion nuclei between 40 and 160 MeV

M. Baldo Ceolin, M. Cresti, N. Dallaporta, M. Grilli, L. Guerriero… in Il Nuovo Cimento (1957)

Stimulated decay of the a hyperon in light hyperfragments

M. Baldo-Ceolin, C. Dilworth, W. P. Fry, W. D. B. Greening, H. Huzita…in Il Nuovo Cimento(1958) ( With Milan)

0 0 A measurement of the magnitude of the mass differencemKs mKL

M. Baldo-Ceolin, E. Calimani, S. Ciampolillo, W. F. Fry, H. Huzita…in Il Nuovo Cimento A(1966)

The interactions of positive K-mesons with nuclei in photographic emulsion at energies in the region (240÷300) MeV ... D. Keefe, A. Kernan, A. Montwill, M. Grilli, L. Guerriero… in Il Nuovo Cimento (1959)

E.Fiorini 20/10/2012 Milla and her scientific heritage 8 Test of CPT symmetry in the decays of neutral kaons

Baldo-Ceolin, M.; Barmin, V.V.; Barylov, V.G.; et al. ( a large international collaboration) JETP Letters 1983

Experimental investigation of the K0→π+π-γ Decay

E. Bellotti, A. Pullia, M. Baldo-Ceolin, E. Calimani, S. Ciampolillo, H. Huzita, F. Mattioli, A. Sconza Il Nuovo Cimento 1966

Experimental test ofCP invariance and δS=δQ selection rule

M. Baldo-Ceolin, E. Calimani, S. Ciampolillo…in Il Nuovo Cimento 1965) Problems with Andre Lagarrigue

Glorious times approaching the Cabibbo theory

Milla => moves to bubble chambers, but that is not enough! Ettore => moves to weak interactions

E.Fiorini 20/10/2012 Milla and her scientific heritage 9 The Aachen-Padua experiment Problem with Feissner

EVIDENCE FOR PARITY VIOLATION IN NEUTRAL CURRENT INDUCED PI-0 PRODUCTION FROM A COMPARISON OF NEUTRINO AND ANTINEUTRINO CROSS-SECTIONS

FAISSNER, H; FRENZEL, E; HANSL, T; et al., PHYSICS LETTERS B (1977)

MEASUREMENT OF -NEUTRINO AND MUON-ANTI-NEUTRINO SCATTERING OFF ELECTRONS

FAISSNER, H; FASOLD, HG; FRENZEL, E; et al, REVIEW LETTERS B (1978)

MEASUREMENT OF ELASTIC MUON-NEUTRINO SCATTERING OFF PROTONS

FAISSNER, H; FRENZEL, E; HANSL, T; et al.: PHYSICAL REVIEW D (1980)

E.Fiorini 20/10/2012 Milla and her scientific heritage 10 Both on weak interactions

Milla => moves to bubble chambers (BEBS), but that is not enough! Ettore => moves to weak interaction

MEASUREMENT OF THE RATIOS OF NU(-)MU-N TO NU(-)MU-P CHARGED CURRENT CROSS-SECTIONS AT HIGH-ENERGIES

ALLASIA, D; ANGELINI, C; BALDOCEOLIN, M; et al, PHYSICS LETTERS B 1981

MEASUREMENT OF THE NEUTRAL CURRENT COUPLING-CONSTANTS IN NEUTRINO AND ANTI-NEUTRINO INTERACTIONS WITH DEUTERIUM

ALLASIA, D; ANGELINI, C; BALDINI, A; et al. PHYSICS LETTERS B (1983)

DETERMINATION OF THE NEUTRAL CURRENT CHIRAL COUPLING-CONSTANTS UL2, UR2, DL2 AND DR2 FROM A NEUTRINO AND ANTINEUTRINO DEUTERIUM EXPERIMENT

ALLASIA, D; ANGELINI, C; BALDINI, A; et al. NUCLEAR PHYSICS B (1988)

Life at CERN A terrible episode in a trip to Italy

E.Fiorini 20/10/2012 Milla and her scientific heritage 11 Milla => nucleon-antinucleon oscillations Ettore => Nucleon Stability Experiment (NUSEX)

NEUTRON-ANTINEUTRON OSCILLATIONS

BALDOCEOLIN, JOURNAL DE PHYSIQUE (1984)

COLD NEUTRONS AND NEUTRON OSCILLATIONS

Baldo-Ceolin. Investigation of Fundamental Interactions with Cold Neutrons. Proceedings of a Workshop (NBS-SP-711)Location: Gaithersburg, MD, USADate: 14-15 Nov. 1985

EXPERIMENTAL SEARCH FOR NEUTRON ANTINEUTRON TRANSITIONS WITH FREE NEUTRONS

FIDECARO, G; FIDECARO, M; LANCERI, L; etPHYSICS LETTERS B (1985)

E.Fiorini 20/10/2012 Milla and her scientific heritage 12 But this is not enough

PREDICTIONS FOR A LIQUID ARGON SOLAR NEUTRINO DETECTOR

BAHCALL, JN; BALDOCEOLIN, M; CLINE, DB; et al PHYSICS LETTERS B (1986))

NEUTRINO OSCILLATIONS

Baldo-Ceolin, M. ICOMAN 83: International Colloquium on Matter Non- ConservationLocation: Frascati, (. 1983)

A report by Milla at CERN

NOMAD

: Bose-Einstein correlations in charged current muon-neutrino interactions in the NOMAD experiment at CERN

Astier, P; Autiero, D; Baldisseri, A; et al. NUCLEAR PHYSICS B 2004

E.Fiorini 20/10/2012 Milla and her scientific heritage 13 Parameterization of e and gamma initiated showers in the NOMAD lead-glass calorimeter

Autiero, D; Baldo-Ceolin, M; Bobisut, F; et al. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A (1999) HARP The time-of-flight TOFW detector of the HARP experiment: construction and performance

Baldo-Ceolin, M; Barichello, G; Bobisut, F; et al. NIM A (2004)

ICARUS Design, construction and tests of the ICARUS T600 detector

Amerio, S; Amoruso, S; Antonello, M; et al.NIM A 2004

Observation of long ionizing tracks with the ICARUS T600 first half-module

Arneodo, F; Badelek, B; Badertscher, A; et al. NIM A (2003)

E.Fiorini 20/10/2012 Milla and her scientific heritage 14 A “ non standard” conclusion

An example: a common conversation in Gran Sasso among Milla, Gianluigi Fogli and myself

A letter by Giorgio Salvini Dear Ettore, am sorry that my “oscillating health” does not allow me to be in Padua , a beloved university where I found still young friendiship and scientific interest…Milla’s interests in science and humanity were noble and intense involving also literature, music and poetry…I would like to remind that her main interests were devoted to the field of neutrini and of weak interactions in the magnificent theory opened by when Milla was seven (9), myself thirteen and Conversi fifteen years old… The heritage of Milla

E.Fiorini 20/10/2012 Milla and her scientific heritage 15 A sentence by the teacher of Puskin

E.Fiorini 20/10/2012 Milla and her scientific heritage 16 Thank you , MILLA !

E.Fiorini 20/10/2012 Milla and her scientific heritage 17