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Energy dependent measurements of the p p elastic analyzing power and narrow dibaryon resonances

Kobayashi, Y. ; Kobayashi, K. ; Nakagawa, T. ; et al.

Nucl.Phys.A 569 (1994) 791-820, 1994.

Inspire Record 320015 DOI 10.17182/hepdata.38528

The energy dependence of the pp elastic analyzing power has been measured using an internal target during polarized beam acceleration. The data were obtained in incident-energy steps varying from 4 to 17 MeV over an energy range from 0.5 to 2.0 GeV. The statistical uncertainty of the analyzing power is typically less than 0.01. A narrow structure is observed around 2.17 GeV in the two-proton invariant mass distribution. A possible explanation for the structure with narrow resonances is discussed.

1 data table

Table 1

Statistical errors only.