pdgLive

${{\mathit \Sigma}{(1780)}}$ WIDTH

VALUE (MeV)

DOCUMENT ID

TECN

COMMENT

$\bf{ 100\text{ to }300\text{ }(\approx200) }$

OUR ESTIMATE

$276$ $\pm87$

DPWA

Multichannel

$93$ or $93$

DPWA

${{\overline{\mathit K}}}{{\mathit N}}$ multichannel

$120$ $\pm30$

IPWA

${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$

$120$ $\pm10$

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:

PR C88 035205

Multichannel Parametrization of ${{\mathit K}^{-}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters

NP B127 349

${{\overline{\mathit K}}}{{\mathit N}}$ Interactions in the Resonance Region. 3. Resonance Spectra

NP B126 266

${{\overline{\mathit K}}}{{\mathit N}}$ Interactions in the Resonance Region. 1. Analysis of Data

NP B126 285

${{\overline{\mathit K}}}{{\mathit n}}$ Interactions in the Resonance Region. 2. Amplitudes

NP B94 39

Energy Independent Partial Wave Analysis of ${{\overline{\mathit K}}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}}$ between 1540 and 2150 MeV

NP B47 477

An Energy Independent Coupled Channel Phase Shift Analysis for the ${{\overline{\mathit K}}}{{\mathit N}}$ System

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