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${{\mathit f}_{{{2}}}{(1270)}}$ T-MATRIX POLE $\sqrt {\mathit s }$

INSPIRE   PDGID:

M005PP

Note that $\Gamma $ = $−$2 Im($\sqrt {s }$).

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ (1260 - 1283) − {\mit i} (90 - 110)}$ OUR ESTIMATE $(1268 \pm8) − {\mit i} (101 \pm6)$ RODAS 2022 RVUE ${{\mathit J / \psi}{(1S)}}$ $\rightarrow$ ${{\mathit \gamma}}$ (${{\mathit \pi}}{{\mathit \pi}}$ , ${{\mathit K}}{{\overline{\mathit K}}}$) $(1263.3 \pm0.2 \pm1.5) − {\mit i} (96.9 \pm0.2 \pm0.8)$ ALBRECHT 2020 RVUE ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{0}}{{\mathit \pi}^{0}}{{\mathit \eta}}$ , ${{\mathit \pi}^{0}}{{\mathit \eta}}{{\mathit \eta}}$ , ${{\mathit \pi}^{0}}{{\mathit K}^{+}}{{\mathit K}^{-}}$ $(1270 \pm8) − {\mit i} (97 \pm8)$ 1 ANISOVICH 2009 RVUE 0.0 ${{\overline{\mathit p}}}{{\mathit p}}$, ${{\mathit \pi}}{{\mathit N}}$ $(1278 \pm5) − {\mit i} (102 \pm10)$ 1 BERTIN 1997 C OBLX 0.0 ${{\overline{\mathit p}}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{0}}$ 1  Amplitude did not include dispersive corrections.

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