Measurement E213M813

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:	3.0 — 3.5 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	0.5023	0.0427	0.0805	0.0912
54.0	0.5509	0.0514	0.068	0.0853
90.0	0.5291	0.0389	0.0631	0.0741
126.0	0.5361	0.0412	0.0627	0.075
162.0	0.5028	0.0382	0.0577	0.0692
198.0	0.5221	0.0451	0.0593	0.0745
234.0	0.5068	0.0403	0.0597	0.072
270.0	0.4963	0.0315	0.0599	0.0677
306.0	0.4897	0.0524	0.0617	0.0809
342.0	0.5449	0.0468	0.0853	0.0973

CLAS Physics Database