RESONANT STRUCTURE IN THE PI+ PI+ PI- PI- SYSTEM BETWEEN 1.5-GEV AND 1.9-GEV
1981
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Abstract: (APS)
Resonant structure is studied in the 1.5-to-1.9-GeV mass region of the neutral four-pion system in the reaction π+n→pπ+π+π−π− at 6 GeV/c incident momentum. The ρ0 and A2± content are determined as a function of the four-pion mass. The 4π mass spectrum is best fitted by two resonances, both of which decay predominantly into ρ0π+π−, each with evidence for an appreciable A2π component.- PI+ N: INELASTIC SCATTERING
- INELASTIC SCATTERING: PI+ N
- MASS SPECTRUM: (2PI+ 2PI-)
- (2PI+ 2PI-): MASS SPECTRUM
- RHO(770)0: HADROPRODUCTION
- HADROPRODUCTION: RHO(770)0
- MASS SPECTRUM: (P PI+)
- (P PI+): MASS SPECTRUM
- MASS SPECTRUM: (PI+ PI-)
- (PI+ PI-): MASS SPECTRUM
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