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${{\mathit N}{(1520)}}$ BREIT-WIGNER PHOTON DECAY AMPLITUDES

${{\mathit N}{(1520)}}$ $\rightarrow$ ${{\mathit p}}{{\mathit \gamma}}$ , helicity-1/2 amplitude A$_{1/2}$

INSPIRE   JSON  (beta) PDGID:

B062A1

VALUE (GeV${}^{−1/2}$) DOCUMENT ID TECN  COMMENT $\bf{ -0.030\text{ to }-0.015\text{ }(\approx-0.025) }$ OUR ESTIMATE $-0.034$ $\pm0.003$ 1 HUNT 2019 DPWA Multichannel $-0.024$ $\pm0.004$ SOKHOYAN 2015 A DPWA Multichannel $-0.015$ $\pm0.001$ 1 SHKLYAR 2013 DPWA Multichannel $-0.019$ $\pm0.002$ 1 WORKMAN 2012 A DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit N}}{{\mathit \pi}}$ $-0.028$ $\pm0.002$ 1 DUGGER 2007 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.038$ $\pm0.003$ 1 AHRENS 2002 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ • • We do not use the following data for averages, fits, limits, etc. • • $-0.022$ $\pm0.004$ ANISOVICH 2012 A DPWA Multichannel $-0.034$ $\pm0.001$ 1 SHRESTHA 2012 A DPWA Multichannel $-0.027$ DRECHSEL 2007 DPWA ${{\mathit \gamma}}$ ${{\mathit N}}$ $\rightarrow$ ${{\mathit \pi}}{{\mathit N}}$ $-0.003$ PENNER 2002 D DPWA Multichannel $-0.052$ $\pm0.010$ $\pm0.007$ 1 MUKHOPADHYAY 1998 ${{\mathit \gamma}}$ ${{\mathit p}}$ $\rightarrow$ ${{\mathit \eta}}{{\mathit p}}$ 1  Statistical error only.

References

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