Measurement E213M705

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:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3371	0.0313	0.0598	0.0843
54.0	0.3509	0.0306	0.051	0.0726
90.0	0.3324	0.0229	0.0457	0.0512
126.0	0.3256	0.0256	0.0438	0.0507
162.0	0.3689	0.0217	0.0486	0.0695
198.0	0.4043	0.0254	0.0531	0.0753
234.0	0.3434	0.0226	0.0467	0.0518
270.0	0.2848	0.0211	0.0405	0.0456
306.0	0.2391	0.031	0.0373	0.054
342.0	0.3374	0.0283	0.0597	0.0849

CLAS Physics Database