SU(3)-symmetry breaking and the <span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msubsup><mrow><mi>K</mi></mrow><mrow><mn>2</mn></mrow><mrow><mn>0</mn></mrow></msubsup></mrow><mo>→</mo><mrow><msup><mrow><mi>π</mi></mrow><mrow><mn>0</mn></mrow></msup></mrow><mi>γ</mi><mi>γ</mi></math></span> decay

Gerald W. Intemann

doi:10.1103/PhysRevD.13.654

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SU(3)-symmetry breaking and the $K_{2}^{0} \to π^{0} γ γ$ decay

Gerald W. Intemann

Department of Physics, Seton Hall University, South Orange, New Jersey 07079

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Phys. Rev. D 13, 654 – Published 1 February, 1976

DOI: https://doi.org/10.1103/PhysRevD.13.654

Abstract

The parity-conserving decay $K_{2}^{0} \to π^{0} γ γ$ is studied using vector gauge fields with current mixing. The effects of SU(3)-symmetry breaking are included in the $PVV$ vertices and the "simplest" $Δ S = 1$ Hamiltonian (with a minimum of neutral currents) consistent with $Δ I = \frac{1}{2}$ is employed. The calculated decay rate is compared to previous theoretical estimates as well as to the current experimental upper limit for the decay.

References (15)

L. M. Brown, H. Munczek, and P. Singer, Phys. Rev. Lett. 21, 707 (1968)
M. Moshe and P. Singer, Phys. Rev. D 6, 1379 (1972)
M. Moshe and P. Singer, Phys. Lett. 51B, 367 (1974)
M. Banner et al., Phys. Rev. 188, 2033 (1969)
S. Oneda, Phys. Rev. 158, 1541 (1967) G. Faldt, B. Petersson, and H. Pilkuhn, Nucl. Phys. B3, 234 (1967)
L. M. Sehgal, Phys. Rev. D 6, 367 (1972)
A. Della Selva, A. De Rújula, and M. Mateev, Phys. Lett. 24B, 468 (1967)
I. Kimel, Nucl. Phys. B23, 574 (1970)
J. J. Sakurai, Phys. Rev. 156, 1508 (1967)
N. M. Kroll, T. D. Lee, and B. Zumino, Phys. Rev. 157, 1376 (1967)
R. J. Abrams et al., Phys. Rev. Lett. 29, 1118 (1972) ibid.30, 500 (1973) ibid.30 678(E) (1973)
R. Rockmore, Phys. Rev. 182, 1512 (1969)
S. L. Glashow and S. Weinberg, Phys. Rev. Lett. 20, 224 (1968) Riazzudin and A. K. Sarker, ibid. 20, 1455 (1968)
Particle Data Group, Phys. Lett. 50B, 1 (1974)
Omitted endnote

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

[c2] M. Moshe and P. Singer, Phys. Rev. D 6, 1379 (1972)

[c3] M. Moshe and P. Singer, Phys. Lett. 51B, 367 (1974)

[c4] M. Banner et al., Phys. Rev. 188, 2033 (1969)

[c5] S. Oneda, Phys. Rev. 158, 1541 (1967) G. Faldt, B. Petersson, and H. Pilkuhn, Nucl. Phys. B3, 234 (1967)

[c6] L. M. Sehgal, Phys. Rev. D 6, 367 (1972)

[c7] A. Della Selva, A. De Rújula, and M. Mateev, Phys. Lett. 24B, 468 (1967)

[c8] I. Kimel, Nucl. Phys. B23, 574 (1970)

[c9] J. J. Sakurai, Phys. Rev. 156, 1508 (1967)

[c10] N. M. Kroll, T. D. Lee, and B. Zumino, Phys. Rev. 157, 1376 (1967)

[c11] R. J. Abrams et al., Phys. Rev. Lett. 29, 1118 (1972) ibid.30, 500 (1973) ibid.30 678(E) (1973)

[c12] R. Rockmore, Phys. Rev. 182, 1512 (1969)

[c13] S. L. Glashow and S. Weinberg, Phys. Rev. Lett. 20, 224 (1968) Riazzudin and A. K. Sarker, ibid. 20, 1455 (1968)

[c14] Particle Data Group, Phys. Lett. 50B, 1 (1974)

[c15] Omitted endnote

Physical Review D

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SU(3)-symmetry breaking and the $K_{2}^{0} \to π^{0} γ γ$ decay

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SU(3)-symmetry breaking and the K20→π0γγ decay

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SU(3)-symmetry breaking and the $K_{2}^{0} \to π^{0} γ γ$ decay