Precision measurement of the ratio of the charged kaon leptonic decay rates
Precision measurement of the ratio of the charged kaon leptonic decay rates
复制标题
带电介子轻子衰变率比率的精确测量
DOI:
10.1016/j.physletb.2013.01.037
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发表时间:
2013
影响因子:
4.4
通讯作者:
Lazzeroni C
中科院分区:
文献类型:
--
作者:
Lazzeroni C
A precision measurement of the ratio RKof the rates of kaon leptonic decays K±→e±ν and K±→μ±ν with the full data sample collected by the NA62 experiment at CERN in 2007–2008 is reported. The result, obtained by analysing ∼150000 reconstructed K±→e±ν candidates with 11% background contamination, is RK=(2.488±0.010)×10−5, in agreement with the Standard Model expectation.
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DOI:
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发表时间:
2005
期刊:
影响因子:
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作者:
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通讯作者:
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2005
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通讯作者:
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