Measurement E213M371

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:	2.0 — 2.4 GeV²
W:	2.0 — 2.025 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6934	0.0345	0.1233	0.128
54.0	0.7383	0.0377	0.1317	0.137
90.0	0.7817	0.0468	0.1401	0.1477
126.0	0.9209	0.0773	0.1503	0.169
162.0	1.1887	0.0618	0.174	0.1847
198.0	1.1208	0.0463	0.1686	0.1748
234.0	0.9824	0.0471	0.1562	0.1631
270.0	0.8134	0.0461	0.1412	0.1486
306.0	0.6176	0.1162	0.1204	0.1673
342.0	0.7768	0.0426	0.1305	0.1372

CLAS Physics Database