New measurement of the CP violation parameter +-

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

Research output: Contribution to journalArticle

11 Citations (Scopus)

Abstract

We have measured the CP violation parameter +- in a neutral kaon experiment, E773, at Fermilab. This parameter characterizes CP violation in the decay KL+-. Kaon decays into +- collected simultaneously were used for normalization. Our result is |+-|=[2.359 0.062(stat)0.040(syst)]×10-3 with a phase +-=[43.8 3.5(stat)1.9(syst)]°. The prediction that +- should be very close to +- is supported by our result.

Original languageEnglish (US)
Pages (from-to)2803-2806
Number of pages4
JournalPhysical Review Letters
Volume75
Issue number15
DOIs
StatePublished - 1995
Externally publishedYes

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CP violation
decay
predictions

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Matthews, J. N., Gu, P., Haas, P., Hogan, W. P., Kim, S. K., Myung, S. S., ... Gollin, G. D. (1995). New measurement of the CP violation parameter +-. Physical Review Letters, 75(15), 2803-2806. https://doi.org/10.1103/PhysRevLett.75.2803

New measurement of the CP violation parameter +-. / Matthews, J. N.; Gu, P.; Haas, P.; Hogan, W. P.; Kim, S. K.; Myung, S. S.; Schnetzer, S.; Somalwar, S. V.; Thomson, G. B.; Zou, Y.; Barker, A. R.; Briere, R. A.; Cheu, Elliott C; Harris, D. A.; Makoff, G.; McFarland, K. S.; Roodman, A.; Schwingenheuer, B.; Wah, Y. W.; Winstein, B.; Winston, R.; Swallow, E. C.; Bock, G. J.; Coleman, R.; Crisler, M.; Enagonio, J.; Ford, R.; Hsiung, Y. B.; Jensen, D. A.; Ramberg, E.; Tschirhart, R.; Yamanaka, T.; Collins, E. M.; Gollin, G. D.

In: Physical Review Letters, Vol. 75, No. 15, 1995, p. 2803-2806.

Research output: Contribution to journalArticle

Matthews, JN, Gu, P, Haas, P, Hogan, WP, Kim, SK, Myung, SS, Schnetzer, S, Somalwar, SV, Thomson, GB, Zou, Y, Barker, AR, Briere, RA, Cheu, EC, Harris, DA, Makoff, G, McFarland, KS, Roodman, A, Schwingenheuer, B, Wah, YW, Winstein, B, Winston, R, Swallow, EC, Bock, GJ, Coleman, R, Crisler, M, Enagonio, J, Ford, R, Hsiung, YB, Jensen, DA, Ramberg, E, Tschirhart, R, Yamanaka, T, Collins, EM & Gollin, GD 1995, 'New measurement of the CP violation parameter +-', Physical Review Letters, vol. 75, no. 15, pp. 2803-2806. https://doi.org/10.1103/PhysRevLett.75.2803
Matthews JN, Gu P, Haas P, Hogan WP, Kim SK, Myung SS et al. New measurement of the CP violation parameter +-. Physical Review Letters. 1995;75(15):2803-2806. https://doi.org/10.1103/PhysRevLett.75.2803
Matthews, J. N. ; Gu, P. ; Haas, P. ; Hogan, W. P. ; Kim, S. K. ; Myung, S. S. ; Schnetzer, S. ; Somalwar, S. V. ; Thomson, G. B. ; Zou, Y. ; Barker, A. R. ; Briere, R. A. ; Cheu, Elliott C ; Harris, D. A. ; Makoff, G. ; McFarland, K. S. ; Roodman, A. ; Schwingenheuer, B. ; Wah, Y. W. ; Winstein, B. ; Winston, R. ; Swallow, E. C. ; Bock, G. J. ; Coleman, R. ; Crisler, M. ; Enagonio, J. ; Ford, R. ; Hsiung, Y. B. ; Jensen, D. A. ; Ramberg, E. ; Tschirhart, R. ; Yamanaka, T. ; Collins, E. M. ; Gollin, G. D. / New measurement of the CP violation parameter +-. In: Physical Review Letters. 1995 ; Vol. 75, No. 15. pp. 2803-2806.
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AU - Matthews, J. N.

AU - Gu, P.

AU - Haas, P.

AU - Hogan, W. P.

AU - Kim, S. K.

AU - Myung, S. S.

AU - Schnetzer, S.

AU - Somalwar, S. V.

AU - Thomson, G. B.

AU - Zou, Y.

AU - Barker, A. R.

AU - Briere, R. A.

AU - Cheu, Elliott C

AU - Harris, D. A.

AU - Makoff, G.

AU - McFarland, K. S.

AU - Roodman, A.

AU - Schwingenheuer, B.

AU - Wah, Y. W.

AU - Winstein, B.

AU - Winston, 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 - Yamanaka, T.

AU - Collins, E. M.

AU - Gollin, G. D.

PY - 1995

Y1 - 1995

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AB - We have measured the CP violation parameter +- in a neutral kaon experiment, E773, at Fermilab. This parameter characterizes CP violation in the decay KL+-. Kaon decays into +- collected simultaneously were used for normalization. Our result is |+-|=[2.359 0.062(stat)0.040(syst)]×10-3 with a phase +-=[43.8 3.5(stat)1.9(syst)]°. The prediction that +- should be very close to +- is supported by our result.

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