Observation of the Decay Xi⁰ --> Sigma^+ mu^- nu(bar)

KTeV Collaboration: E. Abouzaid , T. Alexopoulos , M. Arenton , R. F. Barbosa , A. R. Barker , L. Bellantoni , A. Bellavance , E. Blucher

show 51 more authors

G. J. Bock E. Cheu R. Coleman M. D. Corcoran B. Cox A. R. Erwin C. O. Escobar A. Glazov A. Golossanov R. A. Gomes P. Gouffon K. Hanagaki Y. B. Hsiung H. Huang D. A. Jensen R. Kessler K. Kotera J. LaDue A. Ledovskoy P. L. McBride E. Monnier K. S. Nelson H. Nguyen R. Niclasen H. Ping V. Prasad X. R. Qi E. J. Ramberg R. E. Ray M. Ronquest E. Santos J. Shields W. Slater D. Smith N. Solomey E. C. Swallow P. A. Toale R. Tschirhart C. Velissaris Y. W. Wah J. Wang H. B. White J. Whitmore M. Wilking B. Winstein R. Winston E. T. Worcester M. Worcester T. Yamanaka E. D. Zimmerman R. F. Zukanovich

Authors on Pith no claims yet

classification ✦ hep-ex

keywords decayagreementbeambeenbetadetectoreventsfermilab

0 comments

read the original abstract

The Xi^0 muon semi-leptonic decay has been observed for the first time with nine identified events using the KTeV beam line and detector at Fermilab. The decay is normalized to the Xi^0 beta decay mode and yields a value for the ratio of decay rates of $(1.8^{+0.7}_{-0.5}(stat.)\pm0.2(syst.))\times 10^{-2}$. This is in agreement with the SU(3) flavor symmetric quark model.

This paper has not been read by Pith yet.

Observation of the Decay Xi⁰ --> Sigma^+ mu^- nu(bar)

discussion (0)