Spin-Parity Analysis Of The F(1)(1285)Pi- System In The Reaction Pi-P -] F(1) (1285)Pi-P At 18 Gev/C

J.H. Lee,S.U. Chung,H.G. Kirk,D.P. Weygand,H.J. Willutzki,R. Crittenden,A. Dzierba,P. Smith, D. Zieminska,J.H. Lee, D. Son,Z. Bar-Yam,J. Dowd,W. Kern,B. Bonner,J. Clement,J. Cummings,G. Mutchler

PHYSICS LETTERS B（1994）

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摘要

We have carried out a study of the reaction pi-p --> f1 (1285)pi-p at 18 GeV/c, with f1 (1285) --> K+K0pi-BAR This reaction is almost entirely mediated by the natural-parity exchange, presumably f2 (1270) or rho exchange. We find evidence for two possible resonances - a J(PC) = 1++ state at 1.7 GeV/c2 and a broad J(PC) = 1-+ structure at 1.6-2.2 GeV/c2.

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