Measurement E213M912

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(p)
Q²:	3.0 — 3.5 GeV²
W:	2.05 — 2.075 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3936	0.0428	0.0833	0.0936
54.0	0.4043	0.0523	0.0717	0.0887
90.0	0.3594	0.0225	0.065	0.0688
126.0	0.389	0.0325	0.0708	0.0779
162.0	0.4223	0.0258	0.0747	0.079
198.0	0.4089	0.0277	0.0735	0.0785
234.0	0.3485	0.0354	0.0669	0.0757
270.0	0.3751	0.0225	0.0674	0.071
306.0	0.4431	0.0533	0.075	0.092
342.0	0.404	0.03	0.0838	0.089

CLAS Physics Database