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$\mathit S$-CHANNEL ${{\overline{\mathit N}}}{{\mathit N}}$

INSPIRE   PDGID:

M033W2

VALUE (MeV) DOCUMENT ID TECN CHG  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $260$ $\pm75$ 1 ANISOVICH 2002 SPEC $0.6 - 1.9$ ${{\mathit p}}$ ${{\overline{\mathit p}}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}^{0}}$, ${{\mathit \omega}}{{\mathit \eta}}{{\mathit \pi}^{0}}$, ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $235$ ${}^{+65}_{-40}$ ANISOVICH 2000 J SPEC $135$ ${}^{+150}_{-65}$ 2, 3 COUPLAND 1977 CNTR 0 0.7$-$2.4 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\overline{\mathit p}}}{{\mathit p}}$ $165$ ${}^{+18}_{-8}$ 3 ALSPECTOR 1973 CNTR ${{\overline{\mathit p}}}{{\mathit p}}$ $\mathit S$ channel $<60$ 4 OH 1970 B HDBC -0 ${{\overline{\mathit p}}}$( ${{\mathit p}}{{\mathit n}}$), ${{\mathit K}^{*}}{{\mathit K}}$2 ${{\mathit \pi}}$ $\sim$$140$ ABRAMS 1967 C CNTR $\mathit S$ channel ${{\overline{\mathit p}}}{{\mathit N}}$ 1  From the combined analysis of ANISOVICH 2000J, ANISOVICH 2001D, ANISOVICH 2001E, and ANISOVICH 2002. 2  From a fit to the total elastic cross section. 3  Isospins 0 and 1 not separated. 4  No evidence for this bump seen in the ${{\overline{\mathit p}}}{{\mathit p}}$ data of CHAPMAN 1971B. Narrow state not confirmed by OH 1973 with more data.

References

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