@article{0eb18c499a9c49d784b1ee2a15e6cb32,
title = "Observation of the Decay Ξ0→Σ+e-νe ",
abstract = "We present the first observation of Ξ0 beta decay using the KTeV beam line and detector at Fermilab. We have identified 176 beta decay events after subtracting a 7 event background. Normalization to 41 024 simultaneously collected Ξ0→ Λ0π0 decays yields a branching ratio of Γ(Ξ0→Σ+ e-νe)/Γ total =(2.71 ± 0.22statistical ± 0.31 systematic) × 10-4. The flavor symmetric quark model calculation agrees with this result.",
author = "{KTeV Collaboration} and A. Affolder and A. Alavi-Harati and Albuquerque, {I. F.} and T. Alexopoulos and M. Arenton and K. Arisaka and S. Averitte and Barker, {A. R.} and L. Bellantoni and A. Bellavance and J. Belz and R. Ben-David and Bergman, {D. R.} and E. Blucher and Bock, {G. J.} and C. Bown and S. Bright and E. Cheu and S. Childress and R. Coleman and Corcoran, {M. D.} and G. Corti and B. Cox and Crisler, {M. B.} and Erwin, {A. R.} and R. Ford and A. Golossanov and G. Graham and J. Graham and K. Hagan and E. Halkiadakis and K. Hanagaki and S. Hidaka and Hsiung, {Y. B.} and V. Jejer and J. Jennings and Jensen, {D. A.} and R. Kessler and Kobrak, {H. G.E.} and {La Due}, J. and A. Lath and A. Ledovskoy and {Mc Bride}, {P. L.} and {Mc Manus}, {A. P.} and P. Mikelsons and E. Monnier and T. Nakaya and U. Nauenberg and Nelson, {K. S.} and H. Nguyen",
year = "1999",
doi = "10.1103/PhysRevLett.82.3751",
language = "English (US)",
volume = "82",
pages = "3751--3754",
journal = "Physical review letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "19",
}