Definition:Electron/Mass
Jump to navigation
Jump to search
Mass of Electron
The mass of the electron is given as:
\(\ds m_\E\) | \(\approx\) | \(\ds 9 \cdotp 10938 \, 37015 \, (28) \times 10^{-31}\) | kilograms | \(\quad\) This sequence is A081801 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008). | ||||||||||
\(\ds \) | \(\approx\) | \(\ds 9 \cdotp 10938 \, 37015 \, (28) \times 10^{-28}\) | grams | \(\quad\) This sequence is A081801 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008). | ||||||||||
\(\ds \) | \(\approx\) | \(\ds 5 \cdotp 48579 \, 90906 \, 5(16) \times 10^{-4}\) | daltons | \(\quad\) This sequence is A003672 in the On-Line Encyclopedia of Integer Sequences (N. J. A. Sloane (Ed.), 2008). |
Symbol
- $m_\E$
The symbol for the electron mass is $m_\E$.
The $\LaTeX$ code for \(m_\E\) is m_\E
.
Also known as
The mass of the electron is also known as:
- the electronic rest mass
- the electron rest mass.
Sources
- 1958: C.A. Coulson: Electricity (5th ed.) ... (previous) ... (next): Chapter $\text {I}$: Preliminary Survey: $\S 1$. Electrostatics
- 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:
- $9 \cdotp 109 \, 558$ with an uncertainty of $\pm 54$ corresponding to the $2$ least significant figures
- $5 \cdotp 485 \, 930$ with an uncertainty of $\pm 34$ corresponding to the $2$ least significant figures
- which gives the mantissas of these figures as:
- 1969: J.C. Anderson, D.M. Hum, B.G. Neal and J.H. Whitelaw: Data and Formulae for Engineering Students (2nd ed.) ... (previous) ... (next): $3.$ Physical Constants