Measurement E213M894

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:	2.0 — 2.025 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4349	0.0562	0.0844	0.1014
54.0	0.4689	0.0482	0.0726	0.0872
90.0	0.4309	0.0262	0.0662	0.0712
126.0	0.5272	0.0432	0.0795	0.0905
162.0	0.4729	0.0294	0.0728	0.0785
198.0	0.4902	0.0314	0.0747	0.0811
234.0	0.5024	0.0577	0.0772	0.0964
270.0	0.4243	0.0275	0.0657	0.0713
306.0	0.4584	0.0425	0.0711	0.0828
342.0	0.4242	0.0329	0.0833	0.0895

CLAS Physics Database