Measurement E213M777

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:	1.675 — 1.7 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6589	0.06	0.1076	0.1232
54.0	0.5884	0.0432	0.0797	0.0907
90.0	0.5295	0.0343	0.069	0.077
126.0	0.5	0.0339	0.0648	0.0731
162.0	0.5418	0.0367	0.068	0.0773
198.0	0.5544	0.0358	0.0693	0.078
234.0	0.5399	0.033	0.0691	0.0765
270.0	0.5412	0.0337	0.0713	0.0789
306.0	0.3793	0.1664	0.0575	0.1761
342.0	0.5929	0.0396	0.1008	0.1083

CLAS Physics Database