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

INSPIRE   PDGID:
M010DS
VALUE DOCUMENT ID TECN  COMMENT
$\bf{ -0.062 \pm0.020}$ OUR AVERAGE  Error includes scale factor of 2.3.  See the ideogram below.
$-0.043$ $\pm0.009$ $\pm0.005$
LINK
2007A
 FOCS ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$
$-0.14$ $\pm0.04$ $\pm0.07$ 1
CHUNG
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
ACKERSTAFF
1997R
 OPAL ${\it{}E}^{\it{}ee}_{\rm{}cm}$= $88 - 94$, ${{\mathit \tau}}$ $\rightarrow$ 3 ${{\mathit \pi}}{{\mathit \nu}}$
$-0.11$ $\pm0.02$ 2
ALBRECHT
1993C
 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:
LINK 2007A
PR D75 052003 Study of the ${{\mathit D}^{0}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}$ Decay
CHUNG 2002
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/$\mathit c$
ACKERSTAFF 1997R
ZPHY C75 593 A Measurement of the Hadronic Decay Current and the ${{\mathit \nu}_{{\tau}}}$ Helicity in ${{\mathit \tau}^{-}}$ $\rightarrow$ ${{\mathit \pi}^{-}}{{\mathit \pi}^{-}}{{\mathit \pi}^{+}}{{\mathit \nu}_{{\tau}}}$
ALBRECHT 1993C
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