Results of the coupled channel analysis of pi+ pi- pi0, K+ K- pi0 and K+- K0(S) pi-+ final states from anti-p p annihilation at rest in hydrogen targets at different densities.
Articolo
Data di Pubblicazione:
2003
Abstract:
The pi(+)pi(-)pi(0), K(+)K(-)pi(0) and K(+/-)K(0)pi(double dagger) final states produced by p p annihilation at rest at three different hydrogen target densities have been analyzed in the frame of a coupled, channel analysis together with pipi and piK scattering data. Here we present the main results which concern masses, widths, pi and K (K) over bar partial widths of all the involved resonances (J(P) = 0(+), 1(-), 2(+)), the direct determination of Gamma(KK) / Gamma(pipi) ratio for f(0) (1370) and f(0) (1500) (Gamma(KK) / Gamma(pipi) = 0.91 +/- 0.20 and Gamma(KK) / Gamma(pipi) = 0.25 +/- 0.03, respectively), the determination of a(0) (1300) parameters (M = 1303 +/- 16 MeV, Gamma = 92 +/- 16 MeV) and the observation of two different high mass p signals associated to p(1450) and p(1700) (M = 1182 30 MeV, Gamma = 389 +/- 20 MeV and M 1594 +/- 20 MeV; Gamma = 259 +/- 20 MeV, respectively).
Tipologia CRIS:
03A-Articolo su Rivista
Keywords:
ANTIPROTON-PROTON ANNIHILATION; MULTI-QUARK HADRONS; S-STATE; H-2 GAS; F(0)(1500); PI(0)PI(0)PI(0); PI(0)ETA-ETA; COLLISIONS; GLUEBALL; SEARCH
Elenco autori:
M. BARGIOTTI; A. BERTIN; M. BRUSCHI; M. CAPPONI; A. CARBONE; S. DE CASTRO; R. DONÀ; L. FABBRI; P. FACCIOLI; D. GALLI; B. GIACOBBE; F. GRIMALDI; U. MARCONI; I. MASSA; M. PICCININI; M. POLI; N. SEMPRINI CESARI; R. SPIGHI; V. VAGNONI; S. VECCHI; M. VILLA; A. VITALE; A. ZOCCOLI; A. BIANCONI; M. P. BUSSA; M. CORRADINI; A. DONZELLA; E. LODI RIZZINI; L. VENTURELLI; C. CICALÒ; A. DE FALCO; A. MASONI; G. PUDDU; S. SERCI; G. USAI; O. E. GORCHAKOV; S. N. PRAKHOV; A. M. ROZHDESTVENSKY; M. G. SAPOZHNIKOV; V. I. TRETYAK; P. GIANOTTI; C. GUARALDO; A. LANARO; V. LUCHERINI; C. PETRASCU; R. A. RICCI; V. FILIPPINI; A. FONTANA; P. MONTAGNA; A. PANZARASA; A. ROTONDI; P. SALVINI; A. ZENONI; F. BALESTRA; L. BUSSO; P. CERELLO; O. DENISOV; L. FERRERO; R. GARFAGNINI; A. MAGGIORA; D. PANZIERI; F. TOSELLO; E. BOTTA; T. BRESSANI; D. CALVO; F. DE MORI; A. FELICIELLO; A. FILIPPI; N. MIRFAKHRAI; S. MARCELLO; M. AGNELLO; F. IAZZI
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