Measurement E213M704

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:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2698	0.028	0.0513	0.0774
54.0	0.2896	0.0234	0.0528	0.0578
90.0	0.3116	0.0227	0.055	0.0595
126.0	0.389	0.0243	0.064	0.0684
162.0	0.432	0.0284	0.0694	0.0981
198.0	0.42	0.0345	0.0677	0.0963
234.0	0.3099	0.0319	0.0547	0.0633
270.0	0.2877	0.0208	0.0521	0.0561
306.0	0.2958	0.021	0.0539	0.0579
342.0	0.3409	0.0269	0.0592	0.0821

CLAS Physics Database