Measurement E213M291

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:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.0875	0.066	0.183	0.1946
54.0	1.0642	0.055	0.1404	0.1508
90.0	0.9912	0.0677	0.1228	0.1402
126.0	0.9875	0.0479	0.1185	0.1278
162.0	0.9945	0.0546	0.1143	0.1267
198.0	1.0615	0.0577	0.1193	0.1325
234.0	0.9582	0.0524	0.1158	0.1271
270.0	1.0951	0.0626	0.1316	0.1457
306.0	1.0991	0.0568	0.1429	0.1537
342.0	1.0076	0.0599	0.1768	0.1866

CLAS Physics Database