Measurement E213M551

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:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6567	0.0371	0.1054	0.1118
54.0	0.6016	0.0308	0.101	0.1427
90.0	0.7271	0.0474	0.1135	0.123
126.0	0.7781	0.0403	0.1201	0.1267
162.0	0.8605	0.0387	0.1279	0.1887
198.0	0.8166	0.033	0.1224	0.1808
234.0	0.8124	0.0382	0.1228	0.1286
270.0	0.7105	0.0508	0.1125	0.1234
306.0	0.683	0.0356	0.1091	0.159
342.0	0.7113	0.0392	0.1112	0.1179

CLAS Physics Database