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${\mathit m}_{{{\mathit \Delta}^{0}}}–{\mathit m}_{{{\mathit \Delta}^{++}}}$

INSPIRE   PDGID:

B033D

VALUE (MeV) DOCUMENT ID TECN  COMMENT • • We do not use the following data for averages, fits, limits, etc. • • $2.86$ $\pm0.30$ GRIDNEV 2006 DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $2.25$ $\pm0.68$ BERNICHA 1996 Fit to PEDRONI 1978 $2.6$ $\pm0.4$ ABAEV 1995 IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $2.7$ $\pm0.3$ 1 PEDRONI 1978 See the masses 1  Using ${{\mathit \pi}^{\pm}}{{\mathit d}}$ as well, PEDRONI 1978 determine (M${}^{–}$ $–$ M${}^{++}$) $+$ (M${}^{0}$ $–$ M${}^{+})/$3 = $4.6$ $\pm0.2$ MeV.

References:

GRIDNEV 2006 PAN 69 1542 The $\mathit K$-Matrix Approach to the ${{\mathit \Delta}}$-Resonance Mass Splitting and Isospin Violation in Low-Energy ${{\mathit \pi}}{{\mathit N}}$ Scattering BERNICHA 1996 NP A597 623 Pion-Proton Scattering and Isospin Breaking in the ${{\mathit \Delta}^{0}}$ $−$ ${{\mathit \Delta}^{++}}$ System ABAEV 1995 ZPHY A352 85 Phase-Shift Analysis of ${{\mathit \pi}}{{\mathit p}}$ Scattering in the Energy Region from 160 to 600 MeV PEDRONI 1978 NP A300 321 A Study of Charge Independence and Symmetry from ${{\mathit \pi}^{+}}$ and ${{\mathit \pi}^{-}}$ Total Cross Sections on Hydrogen and Deuterium near the 3,3 Resonance