### Biography

Jayme Tiomno, Jewish Brazilian theoretical physicist (Rio de Janeiro 16 April 1920 – Rio de Janeiro 12 January 2011)

From Bessarabian father and Ukrainian mother

Brother of chemist Feiga Rebeca Tiomno Rosenthal

### ACHIEVEMENTS

Suggested the parity disintegration with E. Frota Pessoa (1945)

With Costa Ribeiro formulated equations about thermodielectric effect (1945)

With J.A. Wheeler proposed Puppi-Tiomno-Wheeler triangle for explaining ½ spin to secondary meson (1947)

Rev. Modern physics 21:144 and 153, 1949.

With J.A. Wheeler proposed that electron and muon neutrinos were distinct independent from Nordheim, Pontecorvo e Puppi studies

Rev. Mod. Phys, 21:153-65, 1949

With C.N. Yang first to equate the universality of weak interaction

Physical Reviews 79:495, 1950.

With W. Schutzer authored the first work about scattering relations in nuclear reactions (1950)

Discovered the possibility of a neutral boson to be distinct from its antiparticle (experimentally confirmed in 1964)

Neutrino theories and double beta decay. Thesis. Princeton University, 1951

With W. Schutzer the first to introduce causality notion in mathematical formalism of S matrix theory known as Schutzer-Tiomno causality condition

Physical Review 83:249, 1951

Tiomno transformation

Mass Reversal and the universal Interaction. Nuovo Cimento 1:226, 1955

Proposed global 0_{7} symmetry that generalizes isospin space (1957)

Predicted the existence of ressonance in mesons and the K’ meson existence (1960)

With A.L.L. Videira & N. Zagury. Possible existence of a new (K’) meson. Physical Review Letters 6:120, 1960.

Introduced the notion of gamma 5_{ }transformation

With L. Bediaga & E. Predazzi. A new scheme for nonleptonic decays: predictions over the F+ meson. Physics Lett. B 181:395-00, 1986

With J.L. Basdevant, I. Bediaga & E. Predazzi. A new hadronization scheme. The case of explicit charm decay. Nucl. Phys. B 294:1071-80, 1987

Physics Nobel Prize nominee (1987)

### EPONYMY

Rebouças-Tiomno-Korotkii-Obukhov space-time

Rebouças-Tiomno theorem

Yang-Tiomno classification