Experimental studies of the $π^+π^-π^+π^-π^0$, $K^+K^-π^+π^-π^0$ and $p\bar pπ^+π^-π^0$ final states produced in $e^+e^-$ annihilation at $\sqrt{s}=$ 3.773 and 3.650 GeV

Details Experimental studies of the $π^+π^-π^+π^-π^0$, $K^+K^-π^+π^-π^0$ and $p\bar pπ^+π^-π^0$ final states produced in $e^+e^-$ annihilation at $\sqrt{s}=$ 3.773 and 3.650 GeV Experimental studies of the $π^+π^-π^+π^-π^0$, $K^+K^-π^+π^-π^0$ and $p\bar pπ^+π^-π^0$ final states produced in $e^+e^-$ annihilation at $\sqrt{s}=$ 3.773 and 3.650 GeV

2007-10-11

arxiv.org/abs/0710.2176v1

Eur.Phys.J.C52:805-811,2007

Physics

High Energy Physics

High Energy Physics - Experiment

7 pages,5 figures

Scientific paper

10.1140/epjc/s10052-007-0438-9

We report measurements of the observed cross sections for $e^+e^-\to\omega \pi^+\pi^-$, $\omega K^+K^-$, $\omega p\bar p$, $K^+K^-\rho^0\pi^0$, $K^+K^-\rho^+\pi^-+c.c.$, $K^{*0}K^-\pi^+\pi^0+c.c.$, $K^{*+}K^-\pi^+\pi^-+c.c.$, $\phi\pi^+\pi^-\pi^0$ and $\Lambda \bar \Lambda \pi^0$ at $\sqrt s=$ 3.773 and 3.650 GeV. Upper limits (90% C.L.) are given for observed cross sections and for $\psi(3770)$ decay branching fractions for production of these final states. These measurements are made by analyzing the data sets of 17.3 pb$^{-1}$ collected at $\sqrt{s}=3.773$ GeV and 6.5 pb$^{-1}$ collected at $\sqrt{s}=3.650$ GeV with the BES-II detector at the BEPC collider.

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