Measurement E213M1092

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:	3.5 — 4.2 GeV²
W:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2765	0.0311	0.0591	0.0667
54.0	0.323	0.0209	0.0477	0.052
90.0	0.3061	0.0257	0.044	0.051
126.0	0.3514	0.0267	0.0488	0.0556
162.0	0.3695	0.0302	0.0487	0.0573
198.0	0.3309	0.0442	0.0446	0.0628
234.0	0.3293	0.0237	0.0475	0.053
270.0	0.3169	0.0221	0.0458	0.0509
306.0	0.4143	0.0328	0.056	0.0648
342.0	0.358	0.0312	0.0662	0.0732

CLAS Physics Database