Darriulat et. a1., Nuclear Phys. ~(1976) 365-379. 7. Search For Single Photon Direct Production in p+p Collisions at Meson X _-8 =53 GeV., et. a1., Physics Lett. ZZ§(1978)240. 2 8. Observation of a D. Ape1 e 2V With Mass 2.85 GeV!c Produced in the Charge-Exchange Reaction ~-p _ Xn at 40 GeV!c, W eV, J.W. Ct. a1., Phys. Lett. ~(1978) 500. 9. Production of Hadrons at Large Transverse Momentum at 200, 300, and 400 G Be Collisions aronin et. a1., Phys. Rev. D!! (1975) 3105. 10. Measurement of the Dihadron Mass Continuum in P esonances, R. D. Knd a Search for Narrow R ephart et. a1., PRL 39(1977)

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