Measurement E213M514

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:	1.675 — 1.7 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.773	0.0471	0.1469	0.1543
54.0	0.9228	0.0485	0.1238	0.133
90.0	0.801	0.0382	0.1034	0.1102
126.0	0.9245	0.0453	0.112	0.1208
162.0	0.9794	0.0381	0.1134	0.1196
198.0	0.9053	0.0368	0.106	0.1122
234.0	0.8675	0.0417	0.1082	0.1159
270.0	0.8432	0.0367	0.1067	0.1128
306.0	0.7834	0.0462	0.1099	0.1192
342.0	0.6915	0.0569	0.1378	0.1491

CLAS Physics Database