Measurement E213M542

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:	2.4 — 3.0 GeV²
W:	1.75 — 1.775 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7082	0.03	0.1046	0.1088
54.0	0.7313	0.0366	0.1077	0.1137
90.0	0.7345	0.0333	0.1093	0.1143
126.0	0.801	0.0355	0.1154	0.1633
162.0	0.7862	0.0479	0.1134	0.1944
198.0	0.9433	0.043	0.1279	0.1919
234.0	0.9082	0.0641	0.1258	0.1839
270.0	0.712	0.0716	0.1067	0.1285
306.0	0.7166	0.0391	0.1064	0.1134
342.0	0.7541	0.0324	0.1086	0.1133

CLAS Physics Database