Measurement E213M586

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:	1.875 — 1.9 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6755	0.0456	0.1222	0.1304
54.0	0.732	0.0415	0.0946	0.1033
90.0	0.7306	0.0471	0.0917	0.1031
126.0	0.8136	0.0391	0.1011	0.1084
162.0	0.8729	0.0535	0.1006	0.1139
198.0	0.9634	0.0484	0.1111	0.1212
234.0	0.7683	0.0355	0.097	0.1033
270.0	0.7548	0.0337	0.0924	0.0983
306.0	0.7048	0.034	0.092	0.0981
342.0	0.6133	0.0328	0.1158	0.1204

CLAS Physics Database