Search for narrow p-barp states in the reactions p-barp. -->. p-barp. pi. /sup 0/ and p-barprho/sup 0/ at 5 GeV/c

S. U. Chung, Richard C. Fernow,H.G. Kirk, A. Lesnik, Serban Protopopescu, D. P. Weygand, J. R. Bensinger, L. E. Kirsch,W. Morris,R. Poster,P. Schmidt, B. T. Meadows, John R. Albright,R. N. Diamond, H. C. Fenker,J. H. Goldman, Vasken Hagopian,C. M. Jenkins,Z. Bar-Yam,J. P. Dowd,W. Kern, M. Winik

Physical Review Letters（1981）

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摘要

A search for narrow p-barp states (width < or approx. =20 MeV/c/sup 2/) has been conducted in the Brookhaven National Laboratory multiparticle spectrometer. No significant structure has been observed in events where the p-barp system has been produced forward in the laboratory. Upper-limit cross sections (95% confidence level) for p-barp masses below 2.2 GeV/c/sup 2/ are < or =0.12 ..mu..b and < or =0.22 ..mu..b for the final states p-barp..pi../sup 0/ and p-barprho/sup 0/, respectively.

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