Neutron Constants

- table or chart of neutron constants including symbol, value and units for values such as neutron mass, neutron-electron mass ratio, neutron molar mass, etc..

Neutron constants are used in many areas of science and electronics for a variety of calculations.

The neutron constants that come under the universal constants heading include items such as the neutron mass, neutron-electron mass ratio, neutron molar mass, etc..

Details for these neutron constants and more are given below. The constant name, symbol, value, units and the relative uncertainty are provided.


Constant name Symbol of constant Value Units Relative Uncertainty
Neutron mass
Mp
1.674 928 6
10^-27 kg
0.59
Neutron mass in electron volts
 
939.565 63
MeV
0.30
Neutron-electron mass ratio
mn/me
1838.683 662
 
0.022
Neutron proton mass ratio
mn/mp
1.001 378 404
 
0.009
Neutron molar mass
Mn
1.008 664 904
10^-3 kg/mol
0.014
Neutron Crompton wavelength
λcn
1.319 591
10^-15m
0.014
Neutron magnetic moment
µn
0.996 237 07
10^-26 J T^-1
0.41
Neutron electron magnetic moment ratio
µn/µe
1.040 668 82
10^-3
0.24
Neutron proton magnetic moment ratio
µn/µp
0.684 979 34
 
0.24

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