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

INSPIRE   JSON  (beta) 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 02   RVUE 2018 CODATA value • • We do not use the following data for averages, fits, limits, etc. • • $1.00866491588$ $\pm0.00000000049$ MOHR 01   RVUE 2014 CODATA value $1.00866491600$ $\pm0.00000000043$ MOHR 01   RVUE 2010 CODATA value $1.00866491597$ $\pm0.00000000043$ MOHR 00   RVUE 2006 CODATA value $1.00866491560$ $\pm0.00000000055$ MOHR 00   RVUE 2002 CODATA value $1.00866491578$ $\pm0.00000000055$ MOHR 99   RVUE 1998 CODATA value $1.008665904$ $\pm0.000000014$ COHEN 98   RVUE 1986 CODATA value

References