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Publications Influence

Are there real goldstone bosons associated with broken lepton number

- Y. Chikashige, R. Mohapatra, R. Peccei
- Physics
- 15 January 1981

We consider, in the context of simple gauge models, the possibility that lepton number is a spontaneously broken global symmetry, leading to massive Majorana neutrinos. We find that the usual… Expand

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Spontaneously broken lepton number and cosmological constraints on the neutrino-mass spectrum

- Y. Chikashige, R. Mohapatra, R. Peccei
- Physics
- 15 December 1980

The cosmological constraints on neutrino masses can be altered if lepton number is broken globally giving rise to a very weakly coupled Goldstone boson: the Majoron. Then heavy neutrinos can decay… Expand

191 2

Gravity and Electromagnetism as Collective Phenomena of Fermion-Antifermion Pairs

- K. Akama, Y. Chikashige, T. Matsuki, H. Terazawa
- Physics
- 1 September 1978

A generally covariant formulation is made for the previously proposed unified model of the Nambu-Jona-Lasinio type for gravity and electromagnetism. The gravitational and electro-magnetic fields are… Expand

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Unified Model of the Nambu-Jona-Lasinio Type for All Elementary Particle Forces

- H. Terazawa, Y. Chikashige, K. Akama
- Physics
- 15 January 1977

The unified model for all elementary-particle forces recently proposed by us is discussed in detail. Starting with a nonlinear fermion Lagrangian of the Nambu-Jona-Lasinio type and imposing the… Expand

131

Lorentz Invariant String Regularized Dimensionally by Means of Hyperfunctions. II

- Y. Chikashige, Y. Fujii, K. Mima
- Physics
- 1 December 1977

In this sequel the anomalies of the Virasoro algebra and the Poincare algebra of the free string arc calculated in the hypothetical space-time in continuous dimension:;. The light-like gauge is… Expand

1

Proceedings of INS winter meeting on particle physics, februrary 25-28, 1976

- K. Akama, Y. Chikashige, K. Ishikawa, N. Kawamoto, S. Naka
- Physics
- 1976

How to Liberate Quarks from Chromodynamical Confinement

- H. Terazawa, K. Akama, Y. Chikashige
- Physics
- 1 November 1978

4

Horizontal symmetries, dynamical symmetry breaking and neutrino masses

- Y. Chikashige, G. Gelmini, R. Peccei, M. Roncadelli
- Physics
- 25 August 1980

Abstract We study experimental and theoretical constraints which can prevent the introduction of horizontal gauge ssymmetries. To allow for the possibility of dynamical symmetry breaking, we restrict… Expand

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