@article{e39e33003eae4ca2a06cc05e7705cfc1,
title = "Search for the decay",
abstract = "An upper limit on the branching ratio for the decay is set at 3.4×10-8 (90% C.L.). In addition, a 90%-C.L. upper limit of 6.4×10-9 is set on the branching ratio for decays of the form X0, where X0 is any massless, weakly interacting neutral particle. Limits &>0.. AE.",
author = "Atiya, {M. S.} and Chiang, {I. H.} and Frank, {J. S.} and Haggerty, {J. S.} and Ito, {M. M.} and Kycia, {T. F.} and Li, {K. K.} and Littenberg, {L. S.} and A. Stevens and Strand, {R. C.} and Louis, {W. C.} and Akerib, {D. S.} and Marlow, {D. R.} and Meyers, {P. D.} and Selen, {M. A.} and Shoemaker, {F. C.} and Smith, {A. J.S.} and G. Azuelos and Blackmore, {E. W.} and Bryman, {D. A.} and L. Felawka and P. Kitching and Y. Kuno and MacDonald, {J. A.} and T. Numao and P. Padley and Poutissou, {J. M.} and R. Poutissou and J. Roy",
year = "1990",
doi = "10.1103/PhysRevLett.64.21",
language = "English (US)",
volume = "64",
pages = "21--24",
journal = "Physical review letters",
issn = "0031-9007",
publisher = "American Physical Society",
number = "1",
}