Measurement E213M1281

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:	4.2 — 5.0 GeV²
W:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1727	0.0189	0.0343	0.0489
54.0	0.1795	0.0175	0.0275	0.0326
90.0	0.1659	0.0166	0.0251	0.0301
126.0	0.1321	0.0158	0.0213	0.0305
162.0	0.1759	0.0178	0.0252	0.036
198.0	0.1688	0.0193	0.0243	0.0344
234.0	0.1431	0.0172	0.0224	0.0315
270.0	0.1454	0.018	0.0233	0.0295
306.0	0.1687	0.0171	0.0262	0.0313
342.0	0.1889	0.0215	0.0354	0.0502

CLAS Physics Database