Measurement E213M1351

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:	4.2 — 5.0 GeV²
W:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1605	0.0144	0.0427	0.0451
54.0	0.1988	0.0177	0.0348	0.039
90.0	0.2058	0.0193	0.0389	0.0434
126.0	0.2261	0.0228	0.044	0.0495
162.0	0.3115	0.0273	0.05	0.057
198.0	0.2594	0.038	0.0451	0.059
234.0	0.1987	0.0148	0.0407	0.0433
270.0	0.2285	0.0244	0.0405	0.0473
306.0	0.1902	0.0192	0.0347	0.0397
342.0	0.1691	0.0185	0.0431	0.0469

CLAS Physics Database