${{\boldsymbol \Sigma}{(1840)}}$ MASS INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ \approx1840}$ OUR ESTIMATE
$1798$ or $1802$ 1
MARTIN
1977
DPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
$1720$ $\pm30$ 2
BAILLON
1975
IPWA ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$
$1840$ $\pm10$
LANGBEIN
1972
IPWA ${{\overline{\mathit K}}}{{\mathit N}}$ multichannel
1  The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit.
2  From solution 1 of BAILLON 1975 ; not present in solution 2.
  References:
MARTIN 1977
NP B127 349 ${{\overline{\mathit K}}}{{\mathit N}}$ Interactions in the Resonance Region. 3. Resonance Spectra
BAILLON 1975
NP B94 39 Energy Independent Partial Wave Analysis of ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ between 1540 and 2150 MeV
LANGBEIN 1972
NP B47 477 An Energy Independent Coupled Channel Phase Shift Analysis for the ${{\overline{\mathit K}}}{{\mathit N}}$ System