Measurement E213M235

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:	2.0 — 2.4 GeV²
W:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7193	0.0481	0.1561	0.1633
54.0	0.8024	0.0554	0.1199	0.1321
90.0	0.8762	0.0459	0.1125	0.1215
126.0	0.905	0.0467	0.1093	0.1188
162.0	0.8843	0.0366	0.1006	0.1071
198.0	0.873	0.0425	0.0988	0.1075
234.0	0.8865	0.0443	0.1075	0.1163
270.0	0.8706	0.0476	0.1104	0.1202
306.0	0.7103	0.0465	0.1127	0.1219
342.0	0.6839	0.0506	0.1547	0.1628

CLAS Physics Database