Measurement E213M804

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:	1.75 — 1.775 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6494	0.0669	0.0882	0.1108
54.0	0.5823	0.0382	0.0627	0.0734
90.0	0.4956	0.0304	0.0523	0.0605
126.0	0.5276	0.0335	0.0532	0.0629
162.0	0.59	0.0416	0.0577	0.0711
198.0	0.6203	0.0485	0.0594	0.0767
234.0	0.5002	0.0356	0.0506	0.0619
270.0	0.5639	0.0363	0.0585	0.0688
306.0	0.6069	0.0428	0.0646	0.0775
342.0	0.5869	0.0427	0.0838	0.0941

CLAS Physics Database