Measurement E213M642

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.559	0.0307	0.1114	0.1155
54.0	0.602	0.0303	0.0928	0.0977
90.0	0.5935	0.0313	0.0875	0.0929
126.0	0.615	0.0346	0.0926	0.0989
162.0	0.7087	0.0397	0.0998	0.1075
198.0	0.6835	0.0396	0.0975	0.1053
234.0	0.6384	0.0334	0.0951	0.1008
270.0	0.5794	0.032	0.0879	0.0936
306.0	0.5216	0.0253	0.0858	0.0894
342.0	0.5454	0.0295	0.1097	0.1136

CLAS Physics Database