Measurement E213M201

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:	2.0 — 2.4 GeV²
W:	1.525 — 1.55 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7734	0.043	0.1758	0.1809
54.0	0.7467	0.0383	0.1293	0.1348
90.0	0.6895	0.0368	0.1073	0.1134
126.0	0.6526	0.0294	0.0966	0.1009
162.0	0.7545	0.0461	0.1021	0.1121
198.0	0.7291	0.0341	0.1006	0.1063
234.0	0.6972	0.0363	0.1021	0.1083
270.0	0.67	0.0391	0.1061	0.1131
306.0	0.8164	0.0454	0.134	0.1415
342.0	0.8194	0.0432	0.179	0.1841

CLAS Physics Database