Measurement E213M444

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:	2.4 — 3.0 GeV²
W:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4444	0.0306	0.082	0.1149
54.0	0.4296	0.0293	0.063	0.0937
90.0	0.4955	0.0295	0.0653	0.0717
126.0	0.4614	0.0241	0.0595	0.0642
162.0	0.4823	0.0992	0.0611	0.1165
198.0	0.5577	0.0278	0.0697	0.0972
234.0	0.4914	0.0256	0.0636	0.0686
270.0	0.3958	0.065	0.0542	0.0846
306.0	0.4295	0.0253	0.0618	0.0899
342.0	0.5186	0.0416	0.0889	0.1207

CLAS Physics Database