Definition:Proton/Mass

Mass of Proton

The mass of the proton is given by:

$\ds m_{\mathrm p}$

$\approx$

$\ds 1 \cdotp 67262 \, 19236 \, 9(51) \times 10^{-27}$

$\ds $

$\approx$

$\ds 1 \cdotp 67262 \, 19236 \, 9(51) \times 10^{-24}$

$\ds $

$\approx$

$\ds 1 \cdotp 00727 \, 64666 \, 21(53)$

$m_{\mathrm p}$

The symbol for the proton mass is $m_{\mathrm p}$.

The $\LaTeX$ code for $m_{\mathrm p}$ is m_{\mathrm p} .

The mass of the proton is also known as the proton rest mass.

1964: Milton Abramowitz and Irene A. Stegun: Handbook of Mathematical Functions ... (previous) ... (next): $2$. Physical Constants and Conversion Factors: Table $2.3$ Adjusted Values of Constants

which gives the mantissas of these figures as:

$1 \cdotp 672 \, 624$ with an uncertainty of $\pm 11$ corresponding to the $2$ least significant figures

$1 \cdotp 007 \, 276 \, 61$ with an uncertainty of $\pm 8$ corresponding to the least significant figure