${{\mathit N}{(1440)}}$ ELASTIC POLE RESIDUE

MODULUS $\vert \mathit r\vert $

INSPIRE   JSON  (beta) PDGID:
B061RER
VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 50\text{ to }60\text{ }(\approx55) }$ OUR ESTIMATE
$58$ $\pm15$ $\pm17$ 1
HOFERICHTER
2024
RVUE ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$59$ $\pm1$
ROENCHEN
2022
DPWA Multichannel
$49$ $\pm3$
SOKHOYAN
2015A
DPWA Multichannel
$50$ $\pm1$ $\pm2$ 2
SVARC
2014
L+P ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$52$ $\pm5$
CUTKOSKY
1980
IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • We do not use the following data for averages, fits, limits, etc. • •
$62$
ROENCHEN
2015A
DPWA Multichannel
$126$
SHKLYAR
2013
DPWA Multichannel
$48$ $\pm3$
ANISOVICH
2012A
DPWA Multichannel
$44$
BATINIC
2010
DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$, ${{\mathit N}}{{\mathit \eta}}$
$38$
ARNDT
2006
DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$, ${{\mathit \eta}}{{\mathit N}}$
$40$
HOEHLER
1993
SPED ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
1  Roy-Steiner equations and Pade methods applied to ${{\mathit \pi}}{{\mathit N}}$ scattering amplitudes and pionic atom data.
2  Fit to the amplitudes of HOEHLER 1979.
References