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${{\mathit \Sigma}_{{c}}{(2455)}}$ MASS DIFFERENCES

${\mathit m}_{{{\mathit \Sigma}_{{c}}{(2455)}^{++}}}–{\mathit m}_{{{\mathit \Sigma}_{{c}}{(2455)}^{0}}}$

INSPIRE   PDGID:

B104D13

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ 0.220 \pm0.013}$ OUR FIT $\bf{ 0.221 \pm0.014}$ OUR AVERAGE $0.22$ $\pm0.01$ $\pm0.01$ LEE 2014 BELL ${{\mathit e}^{+}}{{\mathit e}^{-}}$ at ${{\mathit \Upsilon}{(4S)}}$ $0.2$ $\pm0.1$ $\pm0.1$ ARTUSO 2002 CLE2 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}{{\mathit \Upsilon}{(4S)}}$ $-0.03$ $\pm0.28$ $\pm0.11$ LINK 2000 C FOCS ${{\mathit \gamma}}$ A, ${{\overline{\mathit E}}}_{\gamma }$ 180 GeV $0.38$ $\pm0.40$ $\pm0.15$ AITALA 1996 B E791 ${{\mathit \pi}^{-}}{{\mathit N}}$ , 500 GeV $1.1$ $\pm0.4$ $\pm0.1$ CRAWFORD 1993 CLE2 ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\approx{}{{\mathit \Upsilon}{(4S)}}$ $-0.1$ $\pm0.6$ $\pm0.1$ BOWCOCK 1989 CLEO ${{\mathit e}^{+}}{{\mathit e}^{-}}$ 10 GeV $1.2$ $\pm0.7$ $\pm0.3$ ALBRECHT 1988 D ARG ${{\mathit e}^{+}}{{\mathit e}^{-}}$ $\sim{}$ 10 GeV • • We do not use the following data for averages, fits, limits, etc. • • $-10.8$ $\pm2.9$ 1 DIESBURG 1987 SPEC ${{\mathit n}}{}^{}\mathrm {A}$ $\sim{}$600 GeV 1  DIESBURG 1987 is completely incompatible with the other experiments, which is surprising since it agrees with them about ${\mathit m}_{{{\mathit \Sigma}_{{c}}{(2455)}^{++}}}–{\mathit m}_{{{\mathit \Lambda}_{{c}}^{+}}}$. We go with the majority here.

References:

LEE 2014 PR D89 091102 Measurements of the Masses and Widths of the and Baryons ARTUSO 2002 PR D65 071101 Measurement of the Masses and Widths of the ${{\mathit \Sigma}_{{c}}^{++}}$ and ${{\mathit \Sigma}_{{c}}^{0}}$ Charmed Baryons LINK 2000C PL B488 218 Measurements of the ${{\mathit \Sigma}_{{c}}^{0}}$ and ${{\mathit \Sigma}_{{c}}^{++}}$ Mass Splittings AITALA 1996B PL B379 292 Mass Splitting and Production of ${{\mathit \Sigma}_{{c}}^{0}}$ and ${{\mathit \Sigma}_{{c}}^{++}}$ Measured in 500 GeV ${{\mathit \pi}^{-}}{{\mathit N}}$ Interactions CRAWFORD 1993 PRL 71 3259 Observation of the Charmed Baryon ${{\mathit \Sigma}_{{c}}^{+}}$ and Measurement of the Isospin Mass Splitting of the ${{\mathit \Sigma}_{{c}}}$ BOWCOCK 1989 PRL 62 1240 ${{\mathit \Sigma}_{{c}}^{++}}$ and ${{\mathit \Sigma}_{{c}}^{0}}$ Production from ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilation in the ${{\mathit \Upsilon}}$ Energy Region ALBRECHT 1988D PL B211 489 Observation of the Charmed Baryon ${{\mathit \Sigma}_{{c}}}$ in ${{\mathit e}^{+}}{{\mathit e}^{-}}$ Annihilations DIESBURG 1987 PRL 59 2711 Measurement of the ${{\mathit \Sigma}_{{c}}^{0}}$ $−$ ${{\mathit \Lambda}_{{c}}^{+}}$ and ${{\mathit \Sigma}_{{c}}^{++}}$ $−$ ${{\mathit \Lambda}_{{c}}^{+}}$ Mass Differences

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