Radiative <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msup><mrow><mi>X</mi></mrow><mrow><mn>0</mn></mrow></msup></mrow></math></span> Decays in Broken <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>

Paul Singer

doi:10.1103/PhysRevD.1.86

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Radiative $X^{0}$ Decays in Broken $SU (3)$

Paul Singer^*

Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany and Department of Physics, Technion-Israel Institute of Technology, Haifa, Israel

^*Permanent address.

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Phys. Rev. D 1, 86 – Published 1 January, 1970

DOI: https://doi.org/10.1103/PhysRevD.1.86

Abstract

The radiative decays of the $X^{0}$ meson are analyzed in the framework of an effective Lagrangian with vector-meson dominance, using vector gauge fields with current mixing and assuming $X^{0}$ to be a unitary singlet. The underlying $VVP$ strong interaction obeys octet-broken $SU (3)$ symmetry. The model is shown to predict branching ratios different from those obtained in the $η - X^{0}$ mixing model. An analysis of the experimental situation is presented, and the relevance of the $X^{0} \to 2 γ$ , $X^{0} \to ω γ$ partial decay modes for distinguishing between different theoretical models is pointed out.

References (14)

L. M. Brown, H. Munczek, and P. Singer, Phys. Rev. Letters 21, 707 (1968)
Omitted endnote
[4] [5]
L. M. Brown and H. Faier, Phys. Rev. Letters 13, 73 (1964)
R. H. Dalitz and D. G. Sutherland, Nuovo Cimento 37, 1777 (1965) ibid.38, 1945(E) (1965)
S. Okubo, Phys. Letters 5, 165 (1963)
[1]
A. Baracca and A. Bramon, Nuovo Cimento 51A, 873 (1967) M. Jacob, CERN Report No. TH-846, 1967 (unpublished)
Particle Data Group, Rev. Mod. Phys. 41, 109 (1969)
[5]
[5]
D. Bollini, A. Buhler-Broglin, P. Dalpiaz, T. Massam, F. Navach, F. L. Navarra, M. A. Schneegans, and A. Zichichi, Nuovo Cimento 58, 289 (1968)
Omitted endnote
F. Guerra, F. Vanoli, G. De Franceschi, and V. Silvestrini, Phys. Rev. 166, 1587 (1968) R. S. Willey, ibid. 183, 1397 (1969)

[c1] L. M. Brown, H. Munczek, and P. Singer, Phys. Rev. Letters 21, 707 (1968)

[c2] Omitted endnote

[c3] [4] [5]

[c4] L. M. Brown and H. Faier, Phys. Rev. Letters 13, 73 (1964)

[c5] R. H. Dalitz and D. G. Sutherland, Nuovo Cimento 37, 1777 (1965) ibid.38, 1945(E) (1965)

[c6] S. Okubo, Phys. Letters 5, 165 (1963)

[c7] [1]

[c8] A. Baracca and A. Bramon, Nuovo Cimento 51A, 873 (1967) M. Jacob, CERN Report No. TH-846, 1967 (unpublished)

[c9] Particle Data Group, Rev. Mod. Phys. 41, 109 (1969)

[c10] [5]

[c11] [5]

[c12] D. Bollini, A. Buhler-Broglin, P. Dalpiaz, T. Massam, F. Navach, F. L. Navarra, M. A. Schneegans, and A. Zichichi, Nuovo Cimento 58, 289 (1968)

[c13] Omitted endnote

[c14] F. Guerra, F. Vanoli, G. De Franceschi, and V. Silvestrini, Phys. Rev. 166, 1587 (1968) R. S. Willey, ibid. 183, 1397 (1969)

Physical Review D

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Radiative X0 Decays in Broken SU(3)

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References (14)

Radiative $X^{0}$ Decays in Broken $SU (3)$