Measurement E213M686

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:	3.0 — 3.5 GeV²
W:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1903	0.0176	0.0408	0.0583
54.0	0.1795	0.018	0.0392	0.0431
90.0	0.1883	0.015	0.0401	0.0428
126.0	0.2098	0.0176	0.0427	0.0462
162.0	0.2394	0.0172	0.0471	0.0501
198.0	0.266	0.021	0.0508	0.055
234.0	0.2266	0.021	0.0454	0.05
270.0	0.2078	0.0184	0.0425	0.0463
306.0	0.2036	0.0186	0.0425	0.0464
342.0	0.1788	0.0155	0.0389	0.0554

CLAS Physics Database