Study of the \(K_L^0 \to \pi^0\pi^0\nu\overline{\nu}\) decay

Study of the \(K_L^0 \to \pi^0\pi^0\nu\overline{\nu}\) decay
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(K_L^0 o pi^0pi^0 uoverline{ u}) 衰减研究

DOI:
10.1103/physrevd.84.052009
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发表时间:
2011
期刊:
Phys. Rev. D
影响因子:
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通讯作者:
R. Ogata et al.
R. Ogata et al.
中科院分区:
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文献类型:
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作者:
Koji Shiomi;et.al.;R. Ogata et al.

文献摘要

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在KEK 12-GeV质子同步加速器上用E391 a探测器研究了稀有衰变。基于衰变,在90%置信水平下,得到了分支分数的上限。我们还对()过程设定了一个限制;对于质量为<?format ?>范围从到。
The rare decaywas studied with the E391a detector at the KEK 12-GeV proton synchrotron. Based ondecays, an upper limit ofwas obtained for the branching fraction at 90% confidence level. We also set a limit on the() process; the limit on the branching fraction varied fromtofor the mass of <?format ?>ranging fromto.