Measurement E213M858

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:	1.9 — 1.925 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5146	0.0366	0.0899	0.097
54.0	0.5216	0.0351	0.0684	0.0769
90.0	0.5645	0.0487	0.0683	0.0839
126.0	0.5134	0.0391	0.0653	0.0761
162.0	0.5328	0.0452	0.0652	0.0794
198.0	0.5976	0.0477	0.0707	0.0853
234.0	0.613	0.0712	0.0742	0.1029
270.0	0.5014	0.0346	0.0624	0.0714
306.0	0.622	0.0445	0.0764	0.0884
342.0	0.4907	0.0452	0.0869	0.0979

CLAS Physics Database