Study of the process $e^+e^- oetagamma$ in the center-of-mass energy range 1.07--2.00 GeV

Study of the process $e^+e^- oetagamma$ in the center-of-mass energy range 1.07--2.00 GeV
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研究质心能量范围1.07--2.00 GeV内的过程$e^ e^- oetagamma$

DOI：
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发表时间：
2013
期刊：
影响因子：
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通讯作者：
D. Shtol
D. Shtol
中科院分区：
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文献类型：
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作者：
M. Achasov;V. Aulchenko;A. Barnyakov;K. Beloborodov;A. Berdyugin;A. Bogdanchikov;A. Botov;T. Dimova;V. Druzhinin;V. Golubev;K. Grevtsov;L. Kardapoltsev;A. Kharlamov;D. Kovrizhin;I. Koop;A. Korol;S. Koshuba;A. Lysenko;K. Martin;A. Obrazovsky;E. Pakhtusova;E. Perevedentsev;A. Romanov;S. Serednyakov;Z. Silagadze;A. Skrinsky;I. Surin;Y. Tikhonov;A. Vasiljev;P. Shatunov;Y. Shatunov;D. Shtol

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The $e^+e^- oetagamma$ cross section has been measured in the center-of-mass energy range 1.07--2.00 GeV using the decay mode $eta o 3pi^0$, $pi^0 o gammagamma$. The analysis is based on 36 pb$^{-1}$ of integrated luminosity collected with the SND detector at the VEPP-2000 $e^+e^-$ collider. The measured cross section of about 35 pb at 1.5 GeV is explained by decays of the $ ho(1450)$ and $phi(1680)$ resonances.