Final-State Interactions in Nonleptonic Hyperon Decay

O. E. Overseth; S. Pakvasa

doi:10.1103/PhysRev.184.1663

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Final-State Interactions in Nonleptonic Hyperon Decay

O. E. Overseth^*

S. Pakvasa^†

The University of Michigan, Ann Arbor, Michigan 48104

University of Hawaii, Honolulu, Hawaii 96822

^*Work supported by U. S. Office of Naval Research, under Contract No. Nonr-1224(23).
^†Work supported by U. S. Atomic Energy Commission.

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Phys. Rev. 184, 1663 – Published 25 August, 1969

DOI: https://doi.org/10.1103/PhysRev.184.1663

Abstract

We discuss the consequences of including the final-state interactions in the analysis of $Λ^{0}$ , $Σ$ , and $Ξ$ non-leptonic decays. Emphasis is on the role that the final-state interactions play in tests for $T$ invariance, in tests of the $Δ I = \frac{1}{2}$ rule (including the resolution of sign ambiguities), and in the determination of the decay amplitudes for these processes.

References (26)

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O. E. Overseth, Phys. Rev. Letters 19, 395 (1967)
T. D. Lee and C. N. Yang, Phys. Rev. 108, 1645 (1957)
C. Jarlskog, Nucl. Phys. B3, 365 (1967)
A. A. Belavin and I. M. Narodetsky, Phys. Letters 26B, 668 (1968)
L. D. Roper, R. M. Wright, and B. T. Feld, Phys. Rev. 138, B190 (1965)
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B. Cork, L. Kerth, W. A. Wenzel, J. W. Cronin, and R. L. Cool, Phys. Rev. 100, 1000 (1960)
M. M. Block et al., Nuovo Cimento 28, 299 (1963)
O. E. Overseth and R. F. Roth, Phys. Rev. Letters 19, 391 (1967)
L. G. Pondrom, Phys. Rev. 160, 1374 (1967)
S. Okubo, R. E. Marshak, and E. C. G. Sudarshan, Phys. Rev. 113, 944 (1958)
O. E. Overseth and R. F. Roth, Phys. Rev. Letters 19, 391 (1967) W. E. Cleland, J. K. Bienlein, G. Conforto, G. H. Eaton, H. J. Gerber, M. Reinharz, M. Veltman, A. Gautschi, E. Heer, J. Renevey, and G. Von Dardel, Phys. Letters 26B, 45 (1967)
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P. Franzini and D. Zanello, Phys. Letters 5, 254 (1963)
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J. P. Berge, in Proceedings of the Thirteenth International Conference on High-Energy Physics, Berkeley, 1966 (University of California Press, Berkeley, 1967), p. 46
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[c1] V. I. Zakharov and A. B. Kaidalov, Zh. Eksperim. i Teor. Fiz. Pis'ma v Redaktsiyu 3, 459 (1966) [English transl.: Soviet Phys.—JETP Letters 3, 300 (1966)]

[c2] O. E. Overseth, Phys. Rev. Letters 19, 395 (1967)

[c3] T. D. Lee and C. N. Yang, Phys. Rev. 108, 1645 (1957)

[c4] C. Jarlskog, Nucl. Phys. B3, 365 (1967)

[c5] A. A. Belavin and I. M. Narodetsky, Phys. Letters 26B, 668 (1968)

[c6] L. D. Roper, R. M. Wright, and B. T. Feld, Phys. Rev. 138, B190 (1965)

[c7] Particle Data Group, Rev. Mod. Phys. 41, 109 (1969)

[c8] B. Cork, L. Kerth, W. A. Wenzel, J. W. Cronin, and R. L. Cool, Phys. Rev. 100, 1000 (1960)

[c9] M. M. Block et al., Nuovo Cimento 28, 299 (1963)

[c10] O. E. Overseth and R. F. Roth, Phys. Rev. Letters 19, 391 (1967)

[c11] L. G. Pondrom, Phys. Rev. 160, 1374 (1967)

[c12] S. Okubo, R. E. Marshak, and E. C. G. Sudarshan, Phys. Rev. 113, 944 (1958)

[c13] O. E. Overseth and R. F. Roth, Phys. Rev. Letters 19, 391 (1967) W. E. Cleland, J. K. Bienlein, G. Conforto, G. H. Eaton, H. J. Gerber, M. Reinharz, M. Veltman, A. Gautschi, E. Heer, J. Renevey, and G. Von Dardel, Phys. Letters 26B, 45 (1967)

[c14] T. D. Lee, in Preludes in Theoretical Physics, edited by A. deShalit, H. Feshbach, and L. Van Hove (North-Holland Publishing Co., Amsterdam, 1966), p. 5

[c15] P. Franzini and D. Zanello, Phys. Letters 5, 254 (1963)

[c16] S. R. Deans, W. G. Holladay, and R. E. Mickens, Progr. Theoret. Phys. (Kyoto) 37, 870 (1967)

[c17] E. F. Beall, B. Cork, D. Keefe, W. C. Murphy, and W. A. Wenzel, Phys. Rev. Letters 8, 75 (1962) [7]

[c18] R. O. Bangerter, A. Barbaro-Galtieri, J. P. Berge, J. J. Murray, F. T. Solmitz, M. L. Stevenson, and R. D. Tripp, Phys. Rev. Letters 17, 495 (1966)

[c19] R. D. Tripp, M. Ferro-Luzzi, and M. Watson, Phys. Rev. Letters 9, 66 (1962)

[c20] J. P. Berge, in Proceedings of the Thirteenth International Conference on High-Energy Physics, Berkeley, 1966 (University of California Press, Berkeley, 1967), p. 46

[c21] [W. J. Willis, in Proceedings of the Heidelberg International Conference on Elementary Particles, 1968 (North-Holland Publishing Co., Amsterdam, 1968), p. 281]

[c22] S. Hori, Nucl. Phys. 17, 227 (1960) S. P. Rosen, Phys. Rev. Letters 6, 504 (1961)

[c23] S. P. Rosen (unpublished)

[c24] R. Nath and A. Kumar, Nuovo Cimento 36, 669 (1965)

[c25] B. R. Martin, Phys. Rev. 138, B1136 (1965)

[c26] P. M. Dauber, J. P. Berge, J. R. Hubbard, D. W. Merrill, and R. A. Muller, Phys. Rev. 179, 1262 (1969)

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Final-State Interactions in Nonleptonic Hyperon Decay

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