pdgLive Home   >   LIGHT UNFLAVORED MESONS ($\mathit S$ = $\mathit C$ = $\mathit B$ = 0)   >   ${{\mathit a}_{{{1}}}{(1260)}}$   >   ${{\mathit a}_{{{1}}}{(1260)}}$ T-MATRIX POLE $\sqrt {\mathit s }$

${{\mathit a}_{{{1}}}{(1260)}}$ T-MATRIX POLE $\sqrt {\mathit s }$

INSPIRE   PDGID:

M010PP

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

VALUE (MeV) DOCUMENT ID TECN  COMMENT $\bf{ (1209 {}^{+13}_{-10})−{\mit i}(288 {}^{+45}_{-12})}$ OUR ESTIMATE $(1209 \pm4 {}^{+12}_{-9}) − {\mit i} (288 \pm6 {}^{+45}_{-10})$ MIKHASENKO 2018 RVUE ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \nu}_{{{\tau}}}}$

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