SU(4) <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mo>⊗</mo></math></span> SU(4) Lepton-Hadron Symmetry, and the Existence of Heavy Charmed Particles

P. Dittner; S. Eliezer; T. K. Kuo

doi:10.1103/PhysRevLett.30.1274

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SU(4) $\otimes$ SU(4) Lepton-Hadron Symmetry, and the Existence of Heavy Charmed Particles

P. Dittner^* and S. Eliezer

T. K. Kuo^†

Department of Physics, Imperial College, Prince Consort Road, London SW7, England

Purdue University, West Lafayette, Indiana 47907
Department of Physics, Imperial College, Prince Consort Road, London SW7, England

^*Science Research Council Fellow.
^†Work supported in part by the U. S. Atomic Energy Commission.

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Phys. Rev. Lett. 30, 1274 – Published 18 June, 1973

DOI: https://doi.org/10.1103/PhysRevLett.30.1274

Abstract

We suggest a lepton-hadron analogy based on the spontaneously broken SU(4) $\otimes$ SU(4) symmetry. This leads to the existence of heavy charmed particles ( $1 ≳ 5$ GeV), which may explain the rise in the total cross section of $pp$ scattering at $E_{c . m .} ≳ 15$ GeV.

References (11)

D. Amati, H. Bacry, J. Nuyts, and J. Prentki, Nuovo Cimento 34, 1732 (1964)
B. J. Bjorken and S. L. Glashow, Phys. Lett. 11, 255 (1964) S. L. Glashow, J. Iliopoulos, and L. Maiani, Phys. Rev. D 2, 1285 (1970)
Z. Maki, T. Maskawa, and I. Umemura, Progr. Theor. Phys. 47, 1682 (1971) S. Meshkov and S. P. Rosen, to be published
P. Dittner and S. Eliezer, Imperial College Report No. ICTP/72/15 (to be published)
T. K. Kuo, Phys. Rev. D 4, 3620 (1971) ibid.5, 1033 (1972)
[5]
A. McDonald, S. P. Rosen, and T. K. Kuo, Phys. Lett. 40B, 675 (1972)
J. D. Hansen et al., CERN Report No. CERN-HERA 70-2 (unpublished)
[1]
R. Dashen, Phys. Rev. 183, 1245 (1969)
U. Amaldi et al., to be published S. R. Amendolia et al., to be published

[c1] D. Amati, H. Bacry, J. Nuyts, and J. Prentki, Nuovo Cimento 34, 1732 (1964)

[c2] B. J. Bjorken and S. L. Glashow, Phys. Lett. 11, 255 (1964) S. L. Glashow, J. Iliopoulos, and L. Maiani, Phys. Rev. D 2, 1285 (1970)

[c3] Z. Maki, T. Maskawa, and I. Umemura, Progr. Theor. Phys. 47, 1682 (1971) S. Meshkov and S. P. Rosen, to be published

[c4] P. Dittner and S. Eliezer, Imperial College Report No. ICTP/72/15 (to be published)

[c5] T. K. Kuo, Phys. Rev. D 4, 3620 (1971) ibid.5, 1033 (1972)

[c6] [5]

[c7] A. McDonald, S. P. Rosen, and T. K. Kuo, Phys. Lett. 40B, 675 (1972)

[c8] J. D. Hansen et al., CERN Report No. CERN-HERA 70-2 (unpublished)

[c9] [1]

[c10] R. Dashen, Phys. Rev. 183, 1245 (1969)

[c11] U. Amaldi et al., to be published S. R. Amendolia et al., to be published

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SU(4) $\otimes$ SU(4) Lepton-Hadron Symmetry, and the Existence of Heavy Charmed Particles

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SU(4) ⊗ SU(4) Lepton-Hadron Symmetry, and the Existence of Heavy Charmed Particles

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References (11)

SU(4) $\otimes$ SU(4) Lepton-Hadron Symmetry, and the Existence of Heavy Charmed Particles