PRODUCED BY ${{\mathit K}}$ BEAMS

INSPIRE   PDGID:
M028M3
VALUE (MeV) DOCUMENT ID TECN CHG  COMMENT
$1270$ $\pm10$ 1
DAUM
1981C
 CNTR - 63 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}$2 ${{\mathit \pi}}{{\mathit p}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$\sim$$1276$ 2
TORNQVIST
1982B
 RVUE
$\sim$$1300$
VERGEEST
1979
HBC - 4.2 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\overline{\mathit K}}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{-}$ ${{\mathit p}}$
$1289$ $\pm25$ 3
CARNEGIE
1977
ASPK $\pm{}$ 13 ${{\mathit K}^{\pm}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{+-}$ ${{\mathit p}}$
$\sim$$1300$
BRANDENBURG
1976
ASPK $\pm{}$ 13 ${{\mathit K}^{\pm}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{+-}$ ${{\mathit p}}$
$\sim$$1270$
OTTER
1976
HBC - 10,14,16 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\overline{\mathit K}}}{{\mathit \pi}}{{\mathit \pi}}$) ${}^{-}$ ${{\mathit p}}$
$1260$
DAVIS
1972
HBC + 12 ${{\mathit K}^{+}}{{\mathit p}}$
$1234$ $\pm12$
FIRESTONE
1972B
 DBC + 12 ${{\mathit K}^{+}}{{\mathit d}}$
1  Well described in the chiral unitary approach of GENG 2007 with two poles at 1195 and 1284$~$MeV and widths of 246 and 146$~$MeV, respectively.
2  From a unitarized quark-model calculation.
3  From a model-dependent fit with Gaussian background to BRANDENBURG 1976 data.
References