Measurement E213M327

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:	1.875 — 1.9 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9422	0.044	0.161	0.2298
54.0	1.0774	0.0591	0.1319	0.1445
90.0	0.9547	0.0473	0.1104	0.1201
126.0	0.9493	0.0477	0.109	0.119
162.0	1.1367	0.0606	0.1197	0.38
198.0	0.9223	0.0461	0.1011	0.1111
234.0	0.9241	0.0495	0.1065	0.1175
270.0	0.9396	0.0429	0.1097	0.1178
306.0	1.0111	0.0492	0.1267	0.1359
342.0	1.024	0.0507	0.1669	0.2348

CLAS Physics Database