Cartacci, A.M.
PI- P --> RHO3(1690)- P
Single Differential Cross Section
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Study of the G Meson Produced in the Reaction pi- p --> omega pi- p at 11.2-GeV/c

Forino, A. ; Quareni-Vignudelli, A. ; Cartacci, A.M. ; et al.
Nucl.Phys.B 139 (1978) 413-421, 1978.
Inspire Record 135602 DOI 10.17182/hepdata.35042

We have studied the reaction π − p → X − p followed by the decay X − → ωπ − at 11.2 GeV/ c . The partial-wave analysis in the mass range 1.36–2.0 GeV shows a clear structure in the J P = 3 − , m = 0 wave peaking at 1.67 GeV with a width of ∼0.21 GeV. We interpret this result as resulting from the g → ωπ decay. The differential cross section d σ d t is in agreement with the production of the g-meson through one-pion exchange.

4 data tables
Table 1

FROM BREIT-WIGNER FIT TO <OMEGA PI-> MASS SPECTRUM. CORRECTED FOR OMEGA TAILS AND OTHER DECAY MODES. CROSS SECTION ORIGINALLY GIVEN IN R. GESSAROLI ET AL., NP B126, 382 (1977).

Table 2

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Table 3

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