Measurement E213M192

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:	1.5 — 1.525 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9532	0.0532	0.2039	0.2107
54.0	0.9607	0.0658	0.1481	0.162
90.0	0.8393	0.0417	0.1167	0.1239
126.0	0.8506	0.0422	0.1079	0.1158
162.0	0.8794	0.0439	0.1073	0.1159
198.0	0.9273	0.0417	0.1115	0.1191
234.0	0.8575	0.0443	0.1105	0.119
270.0	0.9044	0.0457	0.1229	0.1311
306.0	0.8998	0.0596	0.1403	0.1524
342.0	0.9797	0.0519	0.2043	0.2108

CLAS Physics Database