Status of the Cabibbo theory

Brene, N.; Roos, M.; Sirlin, A.

doi:10.1016/0550-3213(68)90074-6

Cited by 93 publications

(7 citation statements)

References 40 publications

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“…The experimental results still show deviations that are 1% or more beyond ex- 16 The question of unexpectedly large charge-dependent mixing raised by the present experimental results clearly demands continued study. We are intending in the near future to remeasure the mass of 34 Ar, which was not measured in this work, and it seems likely that a re-examination of the 34 C1 decay would also be valuable.…”

Section: (3)mentioning

confidence: 55%

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Mirror Asymmetry of FermiβDecay

et al. 1972

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Section: (3)mentioning

confidence: 55%

“…The species being studied were produced through the reactions 16 being stopped in the gas targets themselves or in hydrogen gas introduced behind the foil targets. Periodically this gas was swept by helium so that it passed from the target cell, through i-in.…”

mentioning

confidence: 99%

Mirror Asymmetry of FermiβDecay

et al. 1972

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“…For instance, in order to obtain the electromagnetic interaction (Fig. 5), we require that Now, we can find values of the parameters c 8 , c 8 ' and x which are consistent with all the s-wave amplitudes of nonleptonic hyperon decays. However, as a result of many considerations for both s-wave and p-wave decays, we shall choose the simplified case c 8 =c 8 ' =0.…”

Section: Effective Hamiltonian Of Weal;; Interactionmentioning

confidence: 97%

“…From the experimenel of the decay width for K-->rc+rc-cPe , using sin()A=0.266 ±0.01, 8 ) we get x==b/ a= (3.6 …”

Section: (Rule Hi)mentioning

confidence: 99%

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Effective Hamiltonian of Weak Interaction and Quartet Model

Katuya

Koide

1969

Prog. Theor. Phys.

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663According to the quartet model, we try to obtain a unified understanding of the various features of the weak interaction. In order to obtain the effective Hamiltonian for elementary particles, we assume "translation" rules from a set of urbaryon fields to a hadron field. On the basis of these rules, we show that all the semileptonic decays originate in the interaction J p}t4 +h. c., where the l"' are lepton currents and the J"' are urbaryon currents, and all the nonleptonic decays originate in the two-body transition t 3 ->t 2 which is reduced to the interaction l "'lA by the Hiroshima model. § l. Introduction A considerable progress in hadron physics has been made along the line suggested by Sakata's composite model.l) When we take the "model" approach, we aim by it not only to explain the phenomenological features, but also to clarify the contradictions which appear in the framework of a current theory. We should pursue possible features on a new level of matter, which necessarily leads to discovery of new physical concepts. At this point of view, we are especially interested in the weak interaction with various characteristics 2 l such as i) the universality of the strength of interaction, ii) the baryon-lepton relation and iii) the til= l rule, etc.Among the models of the elementary particle with the aim to obtain a unified understanding of the various features of the weak interaction, it seems that the modified Nagoya modePl and the Hiroshima modePl are useful. However, when we consider the hadron as the composite system composed of urbaryons, we meet many difficulties such as the bound state problem 4 l and the searching for urbaryons.In this paper, from the viewpoint of the composite model, 2 l' 3 l we assume the following effective Hamiltonian at the urbaryon level as the primary interaction:where J"' =cos {} Clzv "'t1) +sin {} Clsv p/1), l"' = (ev 1 Ye) + (71v "'v "'), v"'~r"' (1-iro),

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Algebra of Currents

Maiani¹,

Preparata²

1969

Fortschr. Phys.

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This is a review paper on the most important results obtained from the Algebra of Currents introduced by Gell‐Mann. It includes a detailed discussion on the derivation of sum rules (Adler‐Weisberger, Cabibbo‐Radicati, etc.), either with the p → ∞ method and with the covariant method. Theorems for the emission of zero energy pions are discussed, and applied to leptonic and non leptonic decays of K mesons, and to the 3π decay of the η meson. More recent developments of current algebra like the gauge fields current algebra, the Weinberg sum rules, and the applications of the Bjorken's method to weak and e.m. interactions are also discussed.

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Status of the Cabibbo theory

Cited by 93 publications

References 40 publications

Mirror Asymmetry of FermiβDecay

Mirror Asymmetry of FermiβDecay

Effective Hamiltonian of Weak Interaction and Quartet Model

Algebra of Currents

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