# ${\boldsymbol D}{\mathrm -wave}/{\boldsymbol S}{\mathrm -wave}$ AMPLITUDE RATIO IN DECAY OF ${{\boldsymbol a}_{{1}}{(1260)}}$ $\rightarrow$ ${{\boldsymbol \rho}}{{\boldsymbol \pi}}$ INSPIRE search

VALUE DOCUMENT ID TECN  COMMENT
$\bf{ -0.062 \pm0.020}$ OUR AVERAGE  Error includes scale factor of 2.3.
$-0.043$ $\pm0.009$ $\pm0.005$
 2007 A
FOCS ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$
$-0.14$ $\pm0.04$ $\pm0.07$ 1
 2002
B852 18.3 ${{\mathit \pi}^{-}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit p}}$
$-0.10$ $\pm0.02$ $\pm0.02$ 2, 3
 1997 R
OPAL ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $88 - 94$, ${{\mathit \tau}}$ $\rightarrow$ 3 ${{\mathit \pi}}{{\mathit \nu}}$
$-0.11$ $\pm0.02$ 2
 1993 C
ARG ${{\mathit \tau}^{+}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \nu}}$
1  Deck-type background not subtracted.
2  Uses the model of ISGUR 1989 .
3  Supersedes AKERS 1995P.

${\mathit D}{\mathrm -wave}/{\mathit S}{\mathrm -wave}$ AMPLITUDE RATIO IN DECAY OF ${{\mathit a}_{{1}}{(1260)}}$ $\rightarrow$ ${{\mathit \rho}}{{\mathit \pi}}$
References:
PR D75 052003 Study of the ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$ Decay
PR D65 072001 Exotic and ${\mathit {\mathit q}}{\mathit {\overline{\mathit q}}}$ Resonances in the ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{-}}$ System Produced in ${{\mathit \pi}^{-}}{{\mathit p}}$ Collisions at 18-GeV/$\mathit c$
ZPHY C75 593 A Measurement of the Hadronic Decay Current and the ${{\mathit \nu}_{{\tau}}}$ Helicity in ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \nu}_{{\tau}}}$
ZPHY C58 61 Analysis of the Decay ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \nu}_{{\tau}}}$ and Determination of the ${{\mathit a}_{{1}}{(1260)}}$ Resonance Parameters