Regge Poles and <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mi>SU</mi><mo>(</mo><mn>3</mn><mo>)</mo><mn></mn></math></span>: Particle Classification and High-Energy Scattering

V. BARGER

doi:10.1103/RevModPhys.40.129

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Regge Poles and $SU (3)$ : Particle Classification and High-Energy Scattering

V. BARGER

Department of Physics, University of Wisconsin, Madison, Wisconsin

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Rev. Mod. Phys. 40, 129 – Published 1 January, 1968

DOI: https://doi.org/10.1103/RevModPhys.40.129

Abstract

An integrated interpretation of the fundamental particle spectrum and the phenomena observed in high-energy scattering is possible within the framework provided by the $SU (3)$ and Regge pole theories of strong interactions. Recent progress in this direction is reviewed with particular emphasis on qualitative predictions and experimental tests. The presence of forward and backward peaks in scattering angular distributions is associated with the existence of certain $SU (3)$ multiplets of mesons and baryons that mediate the reactions as peripheral exchanges. The observed baryons are tentatively classified as Regge recurrences of 1-, 8-, and 10-dimensional $SU (3)$ multiplets. For mesons, recurrences of only 1 and 8 representations are expected. Predictions for charge-exchange processes based on meson Regge exchanges are described in some detail. $SU (3)$ symmetry for the vertices of the Regge exchanges leads to relations that agree with experiment. Scattering in the intermediate momentum range (1-4 BeV/c) is described in terms of an interference model which incorporates direct channel resonances as well as Regge exchange. Structure in forward $π^{-} p \to π^{0} n$ scattering and backward $π^{-} p$ elastic scattering is interpreted by interference model calculations.

References (13)

Omitted endnote
V. Barger and D. Cline, Phys. Rev. 155, 1792 (1967)
G. F. Chew and S. C. Frautschi, Phys. Rev. Letters 7, 394 (1961)
R. C. Arnold, Phys. Rev. Letters 14, 657 (1965) A. Ahmadzadeh, ibid. 16, 952 (1966)
D. D. Reeder and K. V. L. Sarma, Nuovo Cimento 51, A169 (1967)
F. Arbab and C. B. Chiu, Phys. Rev. 147, 1045 (1966)
V. Barger and M. H. Rubin, Phys. Rev. 140, B1365 (1965)
V. Barger and M. Olsson, Phys. Rev. 146, 1080 (1966)
V. Barger and D. Cline, Phys. Rev. 156, 1522 (1967)
V. Barger and M. Olsson, Phys. Rev. Letters 18, 294 (1967)
V. Barger and M. Olsson, Phys. Rev Letters 16, 545 (1966)
V. Barger and M. Olsson, Phys. Rev. 151, 1123 (1966)
V. Barger and D. Cline (unpublished)

[c1] Omitted endnote

[c2] V. Barger and D. Cline, Phys. Rev. 155, 1792 (1967)

[c3] G. F. Chew and S. C. Frautschi, Phys. Rev. Letters 7, 394 (1961)

[c4] R. C. Arnold, Phys. Rev. Letters 14, 657 (1965) A. Ahmadzadeh, ibid. 16, 952 (1966)

[c5] D. D. Reeder and K. V. L. Sarma, Nuovo Cimento 51, A169 (1967)

[c6] F. Arbab and C. B. Chiu, Phys. Rev. 147, 1045 (1966)

[c7] V. Barger and M. H. Rubin, Phys. Rev. 140, B1365 (1965)

[c8] V. Barger and M. Olsson, Phys. Rev. 146, 1080 (1966)

[c9] V. Barger and D. Cline, Phys. Rev. 156, 1522 (1967)

[c10] V. Barger and M. Olsson, Phys. Rev. Letters 18, 294 (1967)

[c11] V. Barger and M. Olsson, Phys. Rev Letters 16, 545 (1966)

[c12] V. Barger and M. Olsson, Phys. Rev. 151, 1123 (1966)

[c13] V. Barger and D. Cline (unpublished)

Reviews of Modern Physics

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Regge Poles and $SU (3)$ : Particle Classification and High-Energy Scattering

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Regge Poles and SU(3): Particle Classification and High-Energy Scattering

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Regge Poles and $SU (3)$ : Particle Classification and High-Energy Scattering