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IHEP 2002 - 3 (In Russian) | |
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| A.A.Aseev, M.Yu.Bogolyubsky, V.A.Viktorov, S.A.Konstantinov, V.M.Kut'in, B.V.Polishchuk, S.A.Sadovsky, V.A.Sen'ko, Yu.V.Kharlov (IHEP, Protvino, Russia), V.Yu.Batusov, Yu.F.Lomakin, I.A.Minashvili, M.A.Nazarenko, N.L.Rusakovich, A.S.Solov'ev, I.A.Suslov, V.B.Flyagin, D.I.Khubua, A.N.Shalyugin (JINR, Dubna, Russia) | ||
| Proposal of the Åxperiment on Study of Meson-Nuclear Interactions and Search of Rare Meson Decays at the "Hyperon-M"-Setup. | ||
| Protvino, 2002.- p.30, figs. 13, table 9, refs.:47. | ||
The proposal of experiments at the U-70 accelerator (IHEP, Protvino) on the setup Hyperon-M at 7~GeV/c for seeking and studying of critical for the modern theory rare neutral $\eta$-, $\omega$-, $\eta'$-meson decays as well as different meson-nuclear effects at a qualitively new level of statistical accuracy is considered. This is achieved by modernization of the Hyperon-setup with applying produced meson tagging in the charge-exchange reaction $\pi^+n$ with neutrons of light and heavy nuclei, using electromagnetical calorimetry on the base of lead glass and ataching of neural net approach at the stage of data processing. The is proposed to carry out at 5--15 GeV/c at 18 channel of the IHEP U-70 accelerator. The experiment has been simulated by the Monte-Carlo method, which showed its high sensitivity to the rare decay detection increasing essentially the currently existing world results, and particulary it allows to improve the upper limit for C-forbidden $\eta \to 3\gamma$ decay by more than the order of magnitude.
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