Search for the decay KL0→π0π0γ

D. Roberts, K. Arisaka, J. Kubic, W. Slater, M. Weaver, R. A. Briere, E. Cheu, D. A. Harris, K. S. McFarland, A. Roodman, B. Schwingenheuer, S. V. Somalwar, Y. W. Wah, B. Winstein, R. Winston, 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

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


We report the results of a search for the decay KL000 conducted by the E799 Collaboration at Fermilab. The amplitude for this process vanishes to O(p4) in chiral perturbation theory, so a measurement of the decay would directly probe O(p6) effects. This is the first published search for this decay mode and we set a 90% confidence level upper limit on the branching ratio of B(KL000)<2.3×10-4.

Original languageEnglish (US)
Pages (from-to)1874-1878
Number of pages5
JournalPhysical Review D
Issue number3
StatePublished - 1994

ASJC Scopus subject areas

  • Nuclear and High Energy Physics


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