Mass of alpha particle (u)

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on

Feb 17, 2022, 6:47:12 PM

Created by

on

Jul 17, 2014, 12:29:29 AM

m_{α} = 4.001 506179125 u

$m_alpha = 4.001 506 179 125 " u"$

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An alpha particle, $m_{α}$ $m_alpha$ , is two protons and two neutrons bound together as a particle identical to a helium nucleus.

This constant is specified with a standard uncertainty (standard deviation) of: 0.000000000062 u

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