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${{\mathit b}_{{1}}{(1235)}}$ MASS

INSPIRE   PDGID:

M011M

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT $\bf{ 1229.5 \pm3.2}$ OUR AVERAGE  Error includes scale factor of 1.6.  See the ideogram below. $1225$ $\pm5$ WEIDENAUER 1993 ASTE ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ 2 ${{\mathit \pi}^{+}}$2 ${{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ $1235$ $\pm15$ ALDE 1992 C GAM2 38,100 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}^{0}}{{\mathit n}}$ $1236$ $\pm16$ FUKUI 1991 SPEC 8.95 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}^{0}}{{\mathit n}}$ $1222$ $\pm6$ ATKINSON 1984 E OMEG $\pm{}$ 25$-$55 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}}$ X $1237$ $\pm7$ ATKINSON 1984 E OMEG 0 25$-$55 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}}$ X $1239$ $\pm5$ EVANGELISTA 1981 OMEG - 12 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \omega}}{{\mathit \pi}}{{\mathit p}}$ $1251$ $\pm8$ 450 GESSAROLI 1977 HBC - 11 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \omega}}{{\mathit p}}$ $1245$ $\pm11$ 890 FLATTE 1976 C HBC - 4.2 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \omega}}{{\mathit \Sigma}^{+}}$ $1222$ $\pm4$ 1400 CHALOUPKA 1974 HBC - 3.9 ${{\mathit \pi}^{-}}{{\mathit p}}$ $1220$ $\pm7$ 600 KARSHON 1974 B HBC + 4.9 ${{\mathit \pi}^{+}}{{\mathit p}}$ • • We do not use the following data for averages, fits, limits, etc. • • $1190$ $\pm10$ AUGUSTIN 1989 DM2 $\pm{}$ ${{\mathit e}^{+}}$ ${{\mathit e}^{-}}$ $\rightarrow$ 5 ${{\mathit \pi}}$ $1213$ $\pm5$ ATKINSON 1984 C OMEG 0 20$-$70 ${{\mathit \gamma}}{{\mathit p}}$ $1271$ $\pm11$ COLLICK 1984 SPEC + 200 ${{\mathit \pi}^{+}}$ ${}^{}\mathrm {Z}$ $\rightarrow$ ${}^{}\mathrm {Z}$ ${{\mathit \pi}}{{\mathit \omega}}$

${{\mathit b}_{{1}}{(1235)}}$ mass (MeV)

References:

WEIDENAUER 1993 ZPHY C59 387 ${{\mathit N}}{{\overline{\mathit N}}}$ Annihilation at Rest into Five Pions ALDE 1992C ZPHY C54 553 Study of the ${{\mathit \omega}}{{\mathit \pi}^{0}}$ System FUKUI 1991 PL B257 241 Study of ${{\mathit \omega}}{{\mathit \pi}^{0}}$ System in the ${{\mathit \pi}^{-}}{{\mathit p}}$ Charge Exchange Reaction at 8.95 ${\mathrm {GeV/}}\mathit c$ AUGUSTIN 1989 NP B320 1 Study of the ${{\mathit J / \psi}}$ Decay into Five Pions ATKINSON 1984C NP B243 1 A Spin Parity Analysis of the ${{\mathit \omega}}{{\mathit \pi}^{0}}$ Enhancement Photoproduced in the Energy Range 20 to 70 GeV ATKINSON 1984E PL 138B 459 Inclusive Photoproduction of ${{\mathit \delta}{(980)}}$ and ${{\mathit B}{(1235)}}$ at High x$_{F}$ COLLICK 1984 PRL 53 2374 Primakoff Production of the ${{\mathit b}_{{1}}{(1235)}}$ Meson EVANGELISTA 1981 NP B178 197 Results from a ${{\mathit \pi}^{-}}{{\mathit p}}$ Slow Proton Trigger Experiment at 12 ${\mathrm {GeV/}}\mathit c$ Also NP B186 594 Results from a ${{\mathit \pi}^{-}}{{\mathit p}}$ Slow Proton Trigger Experiment at 12 ${\mathrm {GeV/}}\mathit c$ GESSAROLI 1977 NP B126 382 Analysis of the ${{\mathit \omega}}{{\mathit \pi}^{-}}$ System Produced in the Reaction ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{0}}$ ${{\mathit p}}$ at 11.2 ${\mathrm {GeV/}}\mathit c$ FLATTE 1976C PL 64B 225 Observation of the ${{\mathit B}}$ Meson in ${{\mathit K}^{-}}{{\mathit p}}$ Interactions at 4.2 ${\mathrm {GeV/}}\mathit c$ CHALOUPKA 1974 PL 51B 407 Production and Decay Properties of the ${{\mathit B}}$ Meson KARSHON 1974B PR D10 3608 Production and Decay Mechanism of the ${{\mathit B}}$ Meson and the ${{\mathit \omega}}{{\mathit \pi}}$ System in ${{\mathit \pi}^{+}}{{\mathit p}}$ Interactions at 5 ${\mathrm {GeV/}}\mathit c$