E2/M1 ratio from the Mainz $p(\vec{\gamma },p){\pi }^0$ data

Abstract

We suggest that the error quoted in the Mainz determination of the E2/M1 ratio (at the resonance energy) should be enlarged. A term dropped in expressions used by this group could be significant.

2 pages of text. Submitted to the Comments section of PRL

Cited by in corpus (5)

• Study of Non-Strange Baryon Resonances with Meson Photoproduction
• Determination of the E2/M1 Ratio in the γN \to Δ(1232) Transition from a Simultaneous Measurement of p(\vecγ,p)π^0 and p(\vecγ,π^+)n
• Approach to Perturbative Results in the N-Delta Transition
• Relativistic effects in electromagnetic nuclear responses in the quasi-elastic delta region
• Mainz "measurement" of the $E2/M1$ ratio in the $N-\Delta$ transition