# ${{\boldsymbol N}{(1650)}}$ BREIT-WIGNER MASS INSPIRE search

VALUE (MeV) DOCUMENT ID TECN  COMMENT
$\bf{ 1635\text{ to }1665\text{ }(\approx1650) }$ OUR ESTIMATE
$1657$ $\pm6$
 2019
DPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \pi}^{+}}{{\mathit \pi}^{-}}{{\mathit p}}$
$1666$ $\pm3$ 1
 2019
DPWA Multichannel
$1634$ $\pm5$
 2017
DPWA ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit p}}$ , ${{\mathit \eta}^{\,'}}{{\mathit p}}$
$1654$ $\pm6$
 2015 A
DPWA Multichannel
$1665$ $\pm2$ 1
 2013
DPWA Multichannel
$1634.7$ $\pm1.1$ 1
 2006
DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ , ${{\mathit \eta}}{{\mathit N}}$
$1650$ $\pm30$
 1980
IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
$1670$ $\pm8$
 1979
IPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$
• • • We do not use the following data for averages, fits, limits, etc. • • •
$1651$ $\pm6$
 2012 A
DPWA Multichannel
$1664$ $\pm2$ 1
 2012 A
DPWA Multichannel
$1652$ $\pm9$
 2010
DPWA ${{\mathit \pi}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$ , ${{\mathit N}}{{\mathit \eta}}$
$1665$ $\pm2$
 2002 C
DPWA Multichannel
$1647$ $\pm20$
 2001 B
BES ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \eta}}$
$1689$ $\pm12$
 2000
DPWA Multichannel
1  Statistical error only.
References:
 GOLOVATCH 2019
PL B788 371 First results on nucleon resonance photocouplings from the $\gamma p \to \pi^+\pi^-p$ reaction
 HUNT 2019
PR C99 055205 Updated determination of $N^*$ resonance parameters using a unitary, multichannel formalism
 KASHEVAROV 2017
PRL 118 212001 Study of ${{\mathit \eta}}$ and ${{\mathit \eta}^{\,'}}$ Photoproduction at MAMI
 SOKHOYAN 2015A
EPJ A51 95 High-Statistics Study of the Reaction ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit p}}$2 ${{\mathit \pi}^{0}}$
 SHKLYAR 2013
PR C87 015201 Eta-meson Production in the Resonance Energy Region
 ANISOVICH 2012A
EPJ A48 15 Properties of Baryon Resonances from a Multichannel Partial Wave Analysis
 SHRESTHA 2012A
PR C86 055203 Multichannel Parametrization of ${{\mathit \pi}}{{\mathit N}}$ Scattering Amplitudes and Extraction of Resonance Parameters
 BATINIC 2010
PR C82 038203 Poles of the Zagreb Analysis Partial-Wave $\mathit T$ Matrices
 ARNDT 2006
PR C74 045205 Extended Partial-Wave Analysis of ${{\mathit \pi}}{{\mathit N}}$ Scattering Data
 PENNER 2002C
PR C66 055211 Vector Meson Production and Nucleon Resonance Analysis in a Coupled Channel Approach for Energies ${\mathit m}_{{{\mathit N}}}$ $<$ $\sqrt {s }$ $<$ 2 GeV. 1. Pion Induced Results and Hadronic Parameters
 BAI 2001B
PL B510 75 Study of ${{\mathit N}^{*}}$ Production from ${{\mathit J / \psi}}$ $\rightarrow$ ${{\mathit p}}{{\overline{\mathit p}}}{{\mathit \eta}}$
 VRANA 2000
PRPL 328 181 Baryon Resonance Extraction from ${{\mathit \pi}}$ N Data using a Unitary Multichannel Model
 CUTKOSKY 1980
Toronto Conf. 19 Pion $−$ Nucleon Partial Wave Analysis
 HOEHLER 1979
PDAT 12-1 Handbook of Pion Nucleon Scattering