<span class="aps-inline-formula"><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><mrow><msub><mrow><mi>K</mi></mrow><mrow><mi>L</mi></mrow></msub></mrow><mo>−</mo><mrow><msub><mrow><mi>K</mi></mrow><mrow><mi>S</mi></mrow></msub></mrow></math></span> Mass Difference and Supersymmetric Left-Right-Symmetric Theories

Asim Gangopadhyaya

doi:10.1103/PhysRevLett.54.2203

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$K_{L} - K_{S}$ Mass Difference and Supersymmetric Left-Right-Symmetric Theories

Asim Gangopadhyaya

Department of Physics, City College of New York, New York, New York 10031

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Phys. Rev. Lett. 54, 2203 – Published 20 May, 1985

DOI: https://doi.org/10.1103/PhysRevLett.54.2203

Abstract

The supersymmetric contributions to the $K_{L} - K_{S}$ mass difference makes the previously obtained bounds on the right-handed scale ( $M_{R} > 1.6$ TeV) much weaker. This raises the interesting possibility that the left-right model could be tested as an alternative to $S U_{L} (2) \otimes U (1)$ at low energies. Also we find that to demand that the supersymmetric contribution to the $K_{L} - K_{S}$ mass difference be less than 3.5× $10^{- 15}$ GeV requires that scalar-quark masses be more than 400 GeV.

References (11)

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[c1] A. Salam and J. C. Ward, Phys. Lett. 13, 168 (1964) S. Weinberg, Phys. Rev. Lett. 19, 1264 (1967) S. Glashow, Nucl. Phys. 22, 579 (1961)

[c2] J. C. Pati and A. Salam, Phys. Rev. D 10, 275 (1974) R. N. Mohapatra and J. C. Pati, 11, 566, 2558 (1975) G. Senjanovich and R. N. Mohapatra, 12, 1502 (1975)

[c3] G. Beall, M. Bander, and A. Soni, Phys. Rev. Lett. 48, 848 (1982) R. Mohapatra, G. Senjanovich, and M. Tran, Phys. Rev. D 28, 546 (1983) J. Trampetic, 27, 1565 (1983)

[c4] D. Chang, J. Basecq, L. F. Li, and P. B. Pal, Phys. Rev. D 30, 1601 (1984)

[c5] J. Basecq, L. F. Li, and P. B. Pal, Carnegie Mellon University Report No. CMU-HEP85-1 (to be published) W. S. Hou and A. Soni, University of California at Los Angeles Report No. UCLA/85/TEP/1 (to be published)

[c6] K. Inoue et al., Prog. Theor. Phys. 68, 927 (1982) L. Alvarez-Gaume, J. Polchinski, and M. Wise, Nucl. Phys. B 221, 499 (1983) L. E. Ibanez and C. Lopez, Phys. Lett. 126B, 94 (1983) A. H. Chamseddine, R. Arnowitt, and P. Nath, Phys. Rev. Lett. 49, 970 (1982) R. Barbieri, S. Ferrara, and S. Savoy, Phys. Lett. 119B, 343 (1982) H. P. Nilles, M. Sredrnicki, and D. Wyler, 120B, 346 (1982) L. Hall, J. Lykken, and S. Weinberg, Phys. Rev. D 27, 2359 (1983) S. K. Soni and H. A. Weldon, Phys. Lett. 126B, 215 (1983) J. Ellis et al., 125B, 275 (1983)

[c7] M. J. Duncan, Nucl. Phys. B221, 225 (1983)

[c8] L. Giardello and M. T. Grisaru, Nucl. Phys. B 194, 65 (1982)

[c9] J. M. Gerard et al., Phys. Lett. 140B, 349 (1984)

[c10] J. M. Gerard et al., Phys. Lett. 140B, 349 (1984) J. F. Donoghue, H. Nilles, and D. Wyler, 128B, 55 (1983) P. Langacker and B. Sathiapalan, 144B, 395, 401 (1984) M. J. Duncan, Nucl. Phys. B 221, 225 (1983)

[c11] M. Gaillard and B. W. Lee, Phys. Rev. D 10, 897 (1974)

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$K_{L} - K_{S}$ Mass Difference and Supersymmetric Left-Right-Symmetric Theories

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KL−KS Mass Difference and Supersymmetric Left-Right-Symmetric Theories

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$K_{L} - K_{S}$ Mass Difference and Supersymmetric Left-Right-Symmetric Theories