Search for Massive Neutrinos in the Decay $\pi \to e \nu$
Search for Massive Neutrinos in the Decay $\pi \to e \nu$
复制标题
在衰变 $pi o e u$ 中搜索大量中微子
DOI:
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复制
发表时间:
2011
期刊:
影响因子:
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通讯作者:
Minoru Yoshida
中科院分区:
文献类型:
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作者:
M. Aoki;M. Ding;L. Kurchaninov;T. Numao;Y. Igarashi;Shaomin Chen;C. Malbrunot;M. Blecher;T. Sullivan;D. Vavilov;L. Doria;D. Bryman;A. Sher;A. Hussein;K. Yamada;N. Ito;P. Gumplinger;S. Kettell;C. Hurst;R. Poutissou;L. Littenberg;Minoru Yoshida
Evidence of massive neutrinos in the pi -->e nu decay spectrum was sought with the background pi -->mu -->e decay chain highly suppressed. Upper limits (90% C.L.) on the neutrino mixing matrix element |U_ei|^2 in the neutrino mass region 60--129 MeV/c^2 were set at the level of 10^-8.