pdgLive

${{\mathit \Sigma}{(1775)}}$ MASS

VALUE (MeV)

DOCUMENT ID

TECN

COMMENT

$\bf{ 1770\text{ to }1780\text{ }(\approx1775) }$

OUR ESTIMATE

$1776$ $\pm4$

DPWA

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

$1778$ $\pm1$

DPWA

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

$1778$ $\pm5$

DPWA

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

$1777$ $\pm5$

ALSTON-GARNJO..

DPWA

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

$1775$ $\pm10$

IPWA

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

$1774$ $\pm10$

DPWA

${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$

$1772$ $\pm6$

DPWA

${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Sigma}}{{\mathit \pi}}$

• • We do not use the following data for averages, fits, limits, etc. • •

$1774$ $\pm5$

DPWA

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

$1772$ or $1777$

DPWA

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

$1765$

IPWA

${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$

¹	The two MARTIN 1977 values are from a T-matrix pole and from a Breit-Wigner fit.

References:

EPJ A55 180

Hyperon II: Properties of excited hyperons

PR C88 035205

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

Toronto Conf. 159

S = -1 Baryons: an Experimental Review

ALSTON-GARNJOST

PR D18 182

Partial Wave Analysis of the ${{\overline{\mathit K}}}{{\mathit N}}$ System from 360 to 1320 ${\mathrm {MeV}}/\mathit c$

PRL 38 1007

Further Evidence on New Resonances in the ${{\overline{\mathit K}}}{{\mathit N}}$ System

NP B119 362

Partial Wave Analyses of ${{\overline{\mathit K}}}{{\mathit N}}$ Two Body Reactions between 1480 and 2170 MeV

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 B109 129

Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ : Zeroes and Partial Waves from 0.4 to 2.5 ${\mathrm {GeV/}}\mathit c$

NP B90 1

New Data on the Reaction ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ from 1.934 to 2.516 ${\mathrm {GeV/}}\mathit c$ and Partial Wave Analysis for this Reaction, between 2070 and 2436 MeV $\mathit E_{{\mathrm {cm}}}$

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 B87 145

Energy Dependent Partial Wave Analysis of ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$ between 1540 and 2215 MeV

NP B87 157

Resonance Ambiguities, Barrelet Zeros, and Duality in ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \Lambda}}{{\mathit \pi}^{0}}$

LBL-2452

LBL-2452

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