@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",
}