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${{\mathit K}_{{0}}^{*}{(700)}}$ T-Matrix Pole $\sqrt {s }$

INSPIRE   PDGID:

M174TMP

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ (630 - 730) − {\mit i} (260 - 340)}$ OUR ESTIMATE  (see Fig. 64.1 in the review) • • We do not use the following data for averages, fits, limits, etc. • • $(648 \pm7) − {\mit i} (280 \pm16)$ 1 PELAEZ 2020 RVUE ${{\mathit \pi}}$ ${{\mathit K}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit K}}$ $(670 \pm18) − {\mit i} (295 \pm28)$ 2 PELAEZ 2017 RVUE ${{\mathit \pi}}$ ${{\mathit K}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit K}}$ $(764 \pm63 {}^{+71}_{-54}) − {\mit i} (306 \pm149 {}^{+143}_{-85})$ 3 ABLIKIM 2011 B BES2 1.3k ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}$ $(665 \pm9) − {\mit i} (268 {}^{+21}_{-6})$ 4 GUO 2011 B RVUE $(849 \pm77 {}^{+18}_{-14}) − {\mit i} (256 \pm40 {}^{+46}_{-22})$ 3 ABLIKIM 2010 E BES2 1.4k ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit K}^{\pm}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{\mp}}{{\mathit \pi}^{0}}$ $(663 \pm8 \pm34) − {\mit i} (329 \pm5 \pm22)$ 5 BUGG 2010 RVUE S-matrix pole $(706.0 \pm1.8 \pm22.8) − {\mit i} (319.4 \pm2.2 \pm20.2)$ 6 BONVICINI 2008 A CLEO 141k ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ $(841 \pm30 {}^{+81}_{-73}) − {\mit i} (309 \pm45 {}^{+48}_{-72})$ 3 ABLIKIM 2006 C BES2 25k ${{\mathit J / \psi}}$ $\rightarrow$ ${{\overline{\mathit K}}^{*}{(892)}^{0}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$ $(750 {}^{+30}_{-55}) − {\mit i} (342 \pm60)$ 7 BUGG 2006 RVUE $(658 \pm13) − {\mit i} (279 \pm12)$ 8 DESCOTES-GENO.. 2006 RVUE ${{\mathit \pi}}$ ${{\mathit K}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit K}}$ $(757 \pm33) − {\mit i} (279 \pm41)$ 9 GUO 2006 RVUE $(694 \pm53) − {\mit i} (303 \pm30)$ 10 ZHOU 2006 RVUE ${{\mathit K}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ $(594 \pm79) − {\mit i} (362 \pm166)$ 10 ZHENG 2004 RVUE ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ $(722 \pm60) − {\mit i} (386 \pm50)$ 10 BUGG 2003 RVUE 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ $(875 \pm75) − {\mit i} (335 \pm110)$ 11 ISHIDA 1997 B RVUE 11 ${{\mathit K}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit n}}$ $727 − {\mit i} \text{ 263}$ 12 VANBEVEREN 1986 RVUE 1  Extracted employing ${{\mathit \pi}}{{\mathit K}}$ partial wave analysis from ESTABROOKS 1978 and ASTON 1988 , Roy-Steiner equations and once subtracted forward dispersion relations. 2  Reanalysis of ESTABROOKS 1978 and ASTON 1988 satisfying Forward Dispersion Relations and using sequences of Pade approximants. 3  Extracted from Breit-Wigner parameters. 4  Fit to scattering phase shifts using UChPT amplitudes with explicit resonances. 5  Supersedes BUGG 2006 . Combined analysis of ASTON 1988 , ABLIKIM 2006C, AITALA 2006 , and LINK 2009 using an s-dependent width with couplings to ${{\mathit K}}{{\mathit \pi}}$ and ${{\mathit K}}{{\mathit \eta}^{\,'}}$ , and the Adler zero near thresholds. 6  From a complex pole included in the fit. Using parameters from the model that fits data best. 7  Reanalysis of ASTON 1988 , AITALA 2002 , and ABLIKIM 2006C using for the $\kappa $ an $\mathit s$-dependent width with an Adler zero near threshold. 8  Using Roy-Steiner equations (ROY 1971 ) consistent with unitarity, analyticity and crossing symmetry constraints. 9  From UChPT fitted to MERCER 1971 , BINGHAM 1972 and ESTABROOKS 1978 . Amplitude shown to be consistent with data of ABLIKIM 2006C. 10  Reanalysis of ASTON 1988 data. 11  Reanalysis of ASTON 1988 using interfering Breit-Wigner amplitudes. Extracted from Breit-Wigner parameters. 12  Unitarized Quark Model.

References:

PELAEZ 2020 PRL 124 172001 Determination of the lightest strange resonance $K_0^*(700)$ or $\kappa$, from a dispersive data analysis PELAEZ 2017 EPJ C77 91 Strange Resonance Poles from ${{\mathit K}}{{\mathit \pi}}$ Scattering below 1.8 GeV ABLIKIM 2011B PL B698 183 Observation of Charged ${{\mathit \kappa}}$ in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit K}^{*}{(892)}^{\pm}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{\pm}}$ , ${{\mathit K}^{*}{(892)}^{\pm}}$ $\rightarrow$ ${{\mathit K}_S^0}$ ${{\mathit \pi}^{\pm}}$ at BESII GUO 2011B PR D84 034005 Resonances from meson-meson scattering in U(3) CHPT ABLIKIM 2010E PL B693 88 A Study of Charged ${{\mathit K}}$ in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit K}^{\pm}}{{\mathit K}_S^0}$ ${{\mathit \pi}^{\mp}}{{\mathit \pi}^{0}}$ BUGG 2010 PR D81 014002 Update on the kappa BONVICINI 2008A PR D78 052001 Dalitz Plot Analysis of the ${{\mathit D}^{+}}$ $\rightarrow$ ${{\mathit K}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{+}}$ Decay ABLIKIM 2006C PL B633 681 Evidence for ${{\mathit \kappa}}$ Meson Production in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\overline{\mathit K}}^{*}{(892)}^{0}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$ Process BUGG 2006 PL B632 471 The kappa in E791 Data for ${{\mathit D}}$ $\rightarrow$ ${{\mathit K}}{{\mathit \pi}}{{\mathit \pi}}$ DESCOTES-GENON 2006 EPJ C48 553 The ${{\mathit K}^{*}{(800)}^{0}}$ Scalar Resonance from Roy-Steiner Representations of ${{\mathit \pi}}{{\mathit K}}$ Scattering GUO 2006 NP A773 78 $\mathit S$ Wave ${{\mathit K}}{{\mathit \pi}}$ Scattering and Effects of ${{\mathit \kappa}}$ in ${{\mathit J / \psi}}$ $\rightarrow$ ${{\overline{\mathit K}}^{*}{(892)}^{0}}{{\mathit K}^{+}}{{\mathit \pi}^{-}}$ ZHOU 2006 NP A775 212 An Improved Study of the ${{\mathit \kappa}}$ Resonance and the non-Exotic $\mathit s$ Wave ${{\mathit \pi}}{{\mathit K}}$ Scatterings up to $\sqrt {s }$ = 2.1 GeV of LASS Data ZHENG 2004 NP A733 235 The ${{\mathit \kappa}}$ Resonance in $\mathit s$ Wave ${{\mathit \pi}}{{\mathit K}}$ Scattering BUGG 2003 PL B572 1 Comments on the $\sigma $ and $\kappa $ ISHIDA 1997B PTP 98 621 Analysis of ${{\mathit K}}{{\mathit \pi}}$ Scattering Phase Shift and Existence of ${{\mathit \kappa}{(900)}}$ Particle VANBEVEREN 1986 ZPHY C30 615 A Low Lying Scalar Meson Nonet in a Unitarized Meson Model