# ${{\boldsymbol \Sigma}{(1560)}}$ MASS (PRODUCTION EXPERIMENTS) INSPIRE search

VALUE (MeV) EVTS DOCUMENT ID TECN CHG  COMMENT
$\bf{ \approx1560}$ OUR ESTIMATE
$1553$ $\pm7$ 121
 1978 B
HBC +- ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ( ${{\mathit Y}}{{\mathit \pi}}$) ${{\mathit K}}{{\overline{\mathit K}}}$
$1572$ $\pm4$ 40
 1978
SPEC +- ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ X
References:
 DIONISI 1978B
PL 78B 154 An $\mathit I = 1$ Enhancement at a Mass of 1550 MeV in the (${{\mathit \Lambda}}{{\mathit \pi}}$) and (${{\mathit \Sigma}}{{\mathit \pi}}$) Systems
 LOCKMAN 1978
Saclay DPHPE 78-01 Study of the Reaction ${{\mathit p}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit X}}$ at $\mathit E_{{\mathrm {cm}}}$ $\sqrt {s }$ = 53 and 62 ${\mathrm {GeV/}}\mathit c$