Production of η′ Mesons in the pp → ppη′ Reaction at 3.67 GeV/c
Disto Collaboration · Balestra, F. · Bedfer, Y. · Bertini, R. · Bland, L. C. · Brenschede, A. · Brochard, F. · Bussa, M. P. · Choi, Seonho · Debowski, M. · Dzemidzic, M. · Faivre, J. -Cl. · Falomkin, I. V. · Fava, L. · Ferrero, L. · Foryciarz, J. · Froehlich, I. · Frolov, V. · Garfagnini, R. · Grasso, A. · Heinz, S. · Ivanov, V. V. · Jacobs, W. W. · Kuehn, W. · Maggiora, A. · Maggiora, M. · Manara, A. · Panzieri, D. · Pfaff, H. -W. · Piragino, G. · Pontecorvo, G. B. · Popov, A. · Ritman, J. · Salabura, P. · Tchalyshev, V. · Tosello, F. · Vigdor, S. E. · Zosi, G.
Original · EN
The ratio of the total exclusive production cross sections for η′ and η mesons has been measured in the pp reaction at pbeam=3.67 GeV/c. The observed η′/η ratio is (0.83±0.11⁺⁰.²³₋₀.₁₈)× 10⁻² from which the exclusive η′ meson production cross section is determined to be (1.12±0.15⁺⁰.⁴²₋₀.₃₁)μb. Differential cross section distributions have been measured. Their shape is consistent with isotropic η′ meson production.
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