Search for the decay KL → π0e+e-

A. Alavi-Harati, I. F. Albuquerque, T. Alexopoulos, M. Arenton, K. Arisaka, S. Averitte, A. R. Barker, L. Bellantoni, A. Bellavance, J. Belz, R. Ben-David, D. R. Bergman, E. Blucher, G. J. Bock, C. Bown, S. Bright, E. Cheu, S. Childress, R. Coleman, M. D. CorcoranG. Corti, B. Cox, M. B. Crisler, A. R. Erwin, R. Ford, P. M. Fordyce, A. Glazov, A. Golossanov, G. Graham, J. Graham, K. Hagan, E. Halkiadakis, K. Hanagaki, S. Hidaka, Y. B. Hsiung, V. Jejer, J. Jennings, D. A. Jensen, R. Kessler, H. G E Kobrak, J. LaDue, A. Lath, A. Ledovskoy, P. L. McBride, A. P. McMunus, P. Mikelsons, E. Monnier, T. Nakaya, K. S. Nelson, H. Nguyen, V. O'Dell, M. Pang, R. Pordes, V. Prasad, C. Qiao, B. Quinn, E. J. Ramberg, R. E. Ray, A. Roodman, M. Sadamoto, S. Schnetzer, K. Senyo, P. Shanahan, P. S. Shawhan, W. Slater, N. Solomey, S. V. Somalwar, R. L. Stone, I. Suzuki, E. C. Swallow, R. A. Swanson, S. A. Taegar, R. J. Tesarek, G. B. Thomson, P. A. Toale, A. Tripathi, R. Tschirhart, Y. W. Wah, J. Wang, H. B. White, J. Whitmore, B. Winstein, R. Winston, T. Yamanaka, E. D. Zimmerman

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The decay KL→π0e+e- is interesting for the study of CP violation. In particular, the measurement of the branching ratio of this decay can be used to search for new physics. The existing experimental branching ratio limit is 4.3 × 10-9 at the 90% confidence level. An improved limit is established based on data taken by KTeV in 1997.
    Original languageEnglish
    Pages (from-to)397-401
    Number of pages4
    JournalPhysical Review Letters
    Volume86
    Issue number3
    DOIs
    Publication statusPublished - 15 Jan 2001

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