Measurement E213M902

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3646	0.0239	0.0642	0.0685
54.0	0.3455	0.0268	0.0648	0.0701
90.0	0.5434	0.0751	0.0844	0.1129
126.0	0.5179	0.0395	0.0791	0.0884
162.0	0.5745	0.0379	0.0834	0.0916
198.0	0.6631	0.0437	0.0922	0.102
234.0	0.4819	0.0359	0.0779	0.0858
270.0	0.4737	0.0594	0.0787	0.0987
306.0	0.4018	0.0869	0.0689	0.1109
342.0	0.3139	0.0204	0.0602	0.0636

CLAS Physics Database