Value for tau Compton wavelength
type: ConstantValue
has unit: http://qudt.org/vocab/unit/M
informative reference: http://physics.nist.gov/cuu/Constants/bibliography.html
standard uncertainty: 0.00000000000000000011
standard uncertainty SN: 1.1E-19
value: 0.00000000000000069772
value SN: 6.9772E-16
website: http://physics.nist.gov/cgi-bin/cuu/Value#mid