Measurement E213M767

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(π⁺)
Q²:	3.0 — 3.5 GeV²
W:	1.65 — 1.675 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2949	0.1012	0.0491	0.1026
54.0	0.4136	0.0249	0.0594	0.0645
90.0	0.4585	0.0478	0.0634	0.0794
126.0	0.6279	0.0532	0.0766	0.0933
162.0	0.5934	0.0549	0.0739	0.0921
198.0	0.6064	0.0319	0.0752	0.0816
234.0	0.5369	0.0338	0.0697	0.0775
270.0	0.4849	0.0348	0.0655	0.0742
306.0	0.4264	0.0294	0.0606	0.0673
342.0	0.3762	0.0294	0.0555	0.0784

CLAS Physics Database