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electron to alpha particle mass ratio
![$m_{\rm e}/m_{\rm \alpha}$](/cuu/Constants/Value/gif/mesmalpha.gif) |
![](/cuu/Images/space126.gif) |
Numerical value |
1.370 933 554 733 x 10-4 |
![](/cuu/Images/space126.gif) |
Standard uncertainty |
0.000 000 000 032 x 10-4 |
![](/cuu/Images/space126.gif) |
Relative standard uncertainty |
2.4 x 10-11 |
![](/cuu/Images/space126.gif) |
Concise form |
1.370 933 554 733(32) x 10-4 |
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