Limit on the branching ratio of KL→π0e+e-

D. A. Harris; R. A. Briere; E. Cheu; G. Makoff; K. S. McFarland; A. Roodman; B. Schwingenheuer; S. V. Somalwar; Y. W. Wah; B. Winstein; R. Winston; K. Arisaka; D. Roberts; W. Slater; M. Weaver; A. R. Barker; E. C. Swallow; G. J. Bock; R. Coleman; M. Crisler; J. Enagonio; R. Ford; Y. B. Hsiung; D. A. Jensen; E. Ramberg; R. Tschirhart; E. M. Collins; G. D. Gollin; T. Nakaya; T. Yamanaka; P. Gu; P. Haas; W. P. Hogan; S. K. Kim; J. N. Matthews; S. S. Myung; S. Schnetzer; G. B. Thomson; Y. Zou

doi:10.1103/PhysRevLett.71.3918

Limit on the branching ratio of KL→π0e+e-

D. A. Harris, R. A. Briere, E. Cheu, G. Makoff, K. S. McFarland, A. Roodman, B. Schwingenheuer, S. V. Somalwar, Y. W. Wah, B. Winstein, R. Winston, K. Arisaka, D. Roberts, W. Slater, M. Weaver, A. R. Barker, E. C. Swallow, G. J. Bock, R. Coleman, M. CrislerJ. Enagonio, R. Ford, Y. B. Hsiung, D. A. Jensen, E. Ramberg, R. Tschirhart, E. M. Collins, G. D. Gollin, T. Nakaya, T. Yamanaka, P. Gu, P. Haas, W. P. Hogan, S. K. Kim, J. N. Matthews, S. S. Myung, S. Schnetzer, G. B. Thomson, Y. Zou

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21 Scopus citations

Abstract

We report the results of a search for the decay KL→π0e+e- conducted by E799 at Fermilab. The largest contribution to this decay mode is expected to be CP violating. Observations of this decay could either confirm the standard model mechanisms for CP violation or point to physics beyond the standard model. No such events were seen in our search. The 90% confidence level upper limit is determined to be B(KL→π0e+e-)<4.3×10-9.

Original language	English (US)
Pages (from-to)	3918-3921
Number of pages	4
Journal	Physical review letters
Volume	71
Issue number	24
DOIs	https://doi.org/10.1103/PhysRevLett.71.3918
State	Published - 1993
Externally published	Yes

ASJC Scopus subject areas

General Physics and Astronomy

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10.1103/PhysRevLett.71.3918

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Harris, D. A., Briere, R. A., Cheu, E., Makoff, G., McFarland, K. S., Roodman, A., Schwingenheuer, B., Somalwar, S. V., Wah, Y. W., Winstein, B., Winston, R., Arisaka, K., Roberts, D., Slater, W., Weaver, M., Barker, A. R., Swallow, E. C., Bock, G. J., Coleman, R., ... Zou, Y. (1993). Limit on the branching ratio of KL→π0e+e-. Physical review letters, 71(24), 3918-3921. https://doi.org/10.1103/PhysRevLett.71.3918

Harris, DA, Briere, RA, Cheu, E, Makoff, G, McFarland, KS, Roodman, A, Schwingenheuer, B, Somalwar, SV, Wah, YW, Winstein, B, Winston, R, Arisaka, K, Roberts, D, Slater, W, Weaver, M, Barker, AR, Swallow, EC, Bock, GJ, Coleman, R, Crisler, M, Enagonio, J, Ford, R, Hsiung, YB, Jensen, DA, Ramberg, E, Tschirhart, R, Collins, EM, Gollin, GD, Nakaya, T, Yamanaka, T, Gu, P, Haas, P, Hogan, WP, Kim, SK, Matthews, JN, Myung, SS, Schnetzer, S, Thomson, GB & Zou, Y 1993, 'Limit on the branching ratio of KL→π0e+e-', Physical review letters, vol. 71, no. 24, pp. 3918-3921. https://doi.org/10.1103/PhysRevLett.71.3918

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abstract = "We report the results of a search for the decay KL→π0e+e- conducted by E799 at Fermilab. The largest contribution to this decay mode is expected to be CP violating. Observations of this decay could either confirm the standard model mechanisms for CP violation or point to physics beyond the standard model. No such events were seen in our search. The 90% confidence level upper limit is determined to be B(KL→π0e+e-)<4.3×10-9.",

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AU - Harris, D. A.

AU - Briere, R. A.

AU - Cheu, E.

AU - Makoff, G.

AU - McFarland, K. S.

AU - Roodman, A.

AU - Schwingenheuer, B.

AU - Somalwar, S. V.

AU - Wah, Y. W.

AU - Winstein, B.

AU - Winston, R.

AU - Arisaka, K.

AU - Roberts, D.

AU - Slater, W.

AU - Weaver, M.

AU - Barker, A. R.

AU - Swallow, E. C.

AU - Bock, G. J.

AU - Coleman, R.

AU - Crisler, M.

AU - Enagonio, J.

AU - Ford, R.

AU - Hsiung, Y. B.

AU - Jensen, D. A.

AU - Ramberg, E.

AU - Tschirhart, R.

AU - Collins, E. M.

AU - Gollin, G. D.

AU - Nakaya, T.

AU - Yamanaka, T.

AU - Gu, P.

AU - Haas, P.

AU - Hogan, W. P.

AU - Kim, S. K.

AU - Matthews, J. N.

AU - Myung, S. S.

AU - Schnetzer, S.

AU - Thomson, G. B.

AU - Zou, Y.

PY - 1993

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AB - We report the results of a search for the decay KL→π0e+e- conducted by E799 at Fermilab. The largest contribution to this decay mode is expected to be CP violating. Observations of this decay could either confirm the standard model mechanisms for CP violation or point to physics beyond the standard model. No such events were seen in our search. The 90% confidence level upper limit is determined to be B(KL→π0e+e-)<4.3×10-9.

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JO - Physical review letters

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Limit on the branching ratio of KL→π0e+e-

Abstract

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