Measurement E213M812

Experiment:	E1-6, 2025
Year:	2001	Measurement comment: The angle ψ is the angle between the plane defined by the three-momenta of the hadron (in parentheses) and the target proton, and the plane defined by the three-momenta of the other two final-state hadrons Experiment comment: Experiment year: 2001—2002
Spokespersons:	R.W. Gothe, A. Trivedi
Reaction:	ep → π⁺π⁻p
Polarization:	none
Quantity:	dσ/dψ(π⁺)
Q²:	3.0 — 3.5 GeV²
W:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4644	0.0364	0.0695	0.0982
54.0	0.4517	0.0291	0.0694	0.0752
90.0	0.4836	0.0489	0.0727	0.0876
126.0	0.5729	0.0392	0.0812	0.1206
162.0	0.5353	0.0307	0.0772	0.1117
198.0	0.554	0.0631	0.0792	0.1148
234.0	0.4992	0.0446	0.074	0.1124
270.0	0.4758	0.0317	0.0719	0.0786
306.0	0.4488	0.0274	0.0686	0.0739
342.0	0.4027	0.0246	0.0633	0.0904

CLAS Physics Database