Measurement E213M714

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:	3.0 — 3.5 GeV²
W:	1.5 — 1.525 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3759	0.034	0.0679	0.076
54.0	0.362	0.028	0.0543	0.0612
90.0	0.3256	0.0222	0.0466	0.0517
126.0	0.406	0.0272	0.0555	0.0618
162.0	0.4255	0.0249	0.0573	0.0814
198.0	0.3747	0.0249	0.0512	0.0729
234.0	0.3474	0.027	0.0488	0.0558
270.0	0.3066	0.0264	0.0447	0.052
306.0	0.3982	0.0308	0.059	0.0666
342.0	0.375	0.0364	0.0677	0.0769

CLAS Physics Database