Measurement E213M651

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:	2.4 — 3.0 GeV²
W:	2.05 — 2.075 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.546	0.0359	0.1114	0.1171
54.0	0.5509	0.0331	0.0912	0.097
90.0	0.522	0.0222	0.0826	0.0856
126.0	0.5866	0.0318	0.0925	0.0979
162.0	0.567	0.0593	0.0898	0.1076
198.0	0.6229	0.0288	0.0951	0.0994
234.0	0.6004	0.0338	0.094	0.0999
270.0	0.5377	0.0234	0.0844	0.0876
306.0	0.4943	0.0294	0.0849	0.0898
342.0	0.5512	0.0336	0.11	0.1151

CLAS Physics Database