Production of $η\prime$ Mesons in the $pp \to ppη\prime$ Reaction at 3.67 GeV/c

Details Production of $η\prime$ Mesons in the $pp \to ppη\prime$ Reaction at 3.67 GeV/c Production of $η\prime$ Mesons in the $pp \to ppη\prime$ Reaction at 3.67 GeV/c

2000-08-31

arxiv.org/abs/nucl-ex/0008017v1

Phys.Lett. B491 (2000) 29-35

Physics

Nuclear Physics

Nuclear Experiment

14 pages, 5 figures, accepted by Phys.Lett.B

Scientific paper

10.1016/S0370-2693(00)01015-7

The ratio of the total exclusive production cross sections for $\eta\prime$ and $\eta$ mesons has been measured in the $pp$ reaction at $p_{beam}=3.67$ GeV/c. The observed $\eta\prime/\eta$ ratio is $(0.83\pm{0.11}^{+0.23}_{-0.18})\times 10^{-2}$ from which the exclusive $\eta\prime$ meson production cross section is determined to be $(1.12\pm{0.15}^{+0.42}_{-0.31})\mu b$. Differential cross section distributions have been measured. Their shape is consistent with isotropic $\eta\prime$ meson production.

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