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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

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