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${{\mathit p}}$ MASS (MeV)

INSPIRE   PDGID:

S016M

The mass is known more precisely in u (atomic mass units) than in MeV. The conversion is: 1 u = 931.494 102 42(28) MeV/c${}^{2}$ (2018 CODATA value, TIESINGA 2021 ).

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 938.27208816 \pm0.00000029}$ OUR EVALUATION  2018 CODATA $938.27208812$ $\pm0.00000029$ 1 FINK 2021 SPEC Penning trap $938.27208816$ $\pm0.00000029$ TIESINGA 2021 RVUE 2018 CODATA value • • We do not use the following data for averages, fits, limits, etc. • • $938.2720813$ $\pm0.0000058$ MOHR 2016 RVUE 2014 CODATA value $938.272046$ $\pm0.000021$ MOHR 2012 RVUE 2010 CODATA value $938.272013$ $\pm0.000023$ MOHR 2008 RVUE 2006 CODATA value $938.272029$ $\pm0.000080$ MOHR 2005 RVUE 2002 CODATA value $938.271998$ $\pm0.000038$ MOHR 1999 RVUE 1998 CODATA value $938.27231$ $\pm0.00028$ COHEN 1987 RVUE 1986 CODATA value $938.2796$ $\pm0.0027$ COHEN 1973 RVUE 1973 CODATA value 1  FINK 2021 quote the more precise mass in atomic mass units.

References:

FINK 2021 PRL 127 243001 Deuteron-To-Proton Mass Ratio from Simultaneous Measurement of the Cyclotron Frequencies of H2+ and D+ TIESINGA 2021 RMP 93 025010 CODATA recommended values of the fundamental physical constants: 2018 MOHR 2016 RMP 88 035009 CODATA Recommended Values of the Fundamental Physical Constants: 2014 MOHR 2012 RMP 84 1527 CODATA Recommended Values of the Fundamental Physical Constants: 2010 MOHR 2008 RMP 80 633 CODATA Recomended Values of the Fundamental Physical Constants: 2006 MOHR 2005 RMP 77 1 NIST Constants MOHR 1999 JPCRD 28 1713 CODATA Recommended Values of the Fundamental Physical Constants: 1998; Also RMP 72 351 CODATA Recommended Values of the Fundamental Physical Constants: 1998 COHEN 1987 RMP 59 1121 CODATA Fundamental Physical Constants 1986 Adjustments COHEN 1973 JPCRD 2 664 Comment{CODATA}: The 1973 Least Squares Adjustment of the Fundamental Constants