Measurement E213M569

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:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6098	0.0287	0.1084	0.1122
54.0	0.5764	0.0306	0.1065	0.1108
90.0	0.7089	0.0361	0.1221	0.1273
126.0	0.7583	0.0319	0.1282	0.1848
162.0	0.8231	0.0352	0.1342	0.1905
198.0	0.7963	0.0346	0.1306	0.1875
234.0	0.7777	0.0354	0.1287	0.1868
270.0	0.724	0.042	0.1232	0.1302
306.0	0.616	0.0318	0.1104	0.1149
342.0	0.5746	0.0246	0.1046	0.1075

CLAS Physics Database