Measurement E213M290

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(π⁺)
Q²:	2.0 — 2.4 GeV²
W:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.0219	0.0558	0.1447	0.2126
54.0	0.9436	0.0477	0.1397	0.2033
90.0	0.9479	0.0459	0.1428	0.2042
126.0	1.1725	0.0635	0.1634	0.2312
162.0	1.1206	0.0457	0.1569	0.2282
198.0	1.1194	0.0459	0.1554	0.2202
234.0	1.2292	0.0559	0.1671	0.2355
270.0	1.056	0.0504	0.1509	0.2131
306.0	0.876	0.0432	0.1334	0.1958
342.0	0.9218	0.0406	0.1367	0.1961

CLAS Physics Database