${{\mathit n}}$ MASS (atomic mass units u)

INSPIRE   PDGID:
S017AMU
The mass is known much more precisely in u (atomic mass units) than in MeV. See the next data block.
VALUE (u) DOCUMENT ID TECN  COMMENT
$1.00866491595$ $\pm0.00000000049$
TIESINGA
2021
RVUE 2018 CODATA value
• • We do not use the following data for averages, fits, limits, etc. • •
$1.00866491588$ $\pm0.00000000049$
MOHR
2016
RVUE 2014 CODATA value
$1.00866491600$ $\pm0.00000000043$
MOHR
2012
RVUE 2010 CODATA value
$1.00866491597$ $\pm0.00000000043$
MOHR
2008
RVUE 2006 CODATA value
$1.00866491560$ $\pm0.00000000055$
MOHR
2005
RVUE 2002 CODATA value
$1.00866491578$ $\pm0.00000000055$
MOHR
1999
RVUE 1998 CODATA value
$1.008665904$ $\pm0.000000014$
COHEN
1987
RVUE 1986 CODATA value
References