Measurement E213M713

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:	1.5 — 1.525 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3234	0.0219	0.0606	0.0866
54.0	0.3052	0.0227	0.0575	0.0815
90.0	0.3783	0.0248	0.0666	0.0711
126.0	0.4305	0.0271	0.0725	0.0774
162.0	0.5009	0.0294	0.0805	0.1137
198.0	0.4561	0.0409	0.0751	0.1068
234.0	0.3914	0.0245	0.0676	0.0719
270.0	0.3661	0.0328	0.0648	0.0726
306.0	0.3289	0.0259	0.0607	0.086
342.0	0.308	0.0248	0.0587	0.083

CLAS Physics Database