Measurement E213M578

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:	2.4 — 3.0 GeV²
W:	1.85 — 1.875 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6268	0.0288	0.1045	0.1084
54.0	0.5785	0.0258	0.1016	0.1444
90.0	0.7164	0.0367	0.1161	0.1217
126.0	0.8196	0.0455	0.1261	0.1851
162.0	0.8966	0.0397	0.1335	0.1933
198.0	0.9242	0.0492	0.1371	0.1954
234.0	0.7787	0.033	0.1214	0.1728
270.0	0.7335	0.0378	0.1169	0.1229
306.0	0.6882	0.0326	0.1124	0.1591
342.0	0.603	0.0236	0.1023	0.105

CLAS Physics Database