Measurement E213M893

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:	2.0 — 2.025 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3264	0.0228	0.0642	0.0682
54.0	0.4079	0.0419	0.0744	0.0854
90.0	0.4822	0.0811	0.085	0.1175
126.0	0.5619	0.0458	0.0916	0.1024
162.0	0.6254	0.0406	0.097	0.1051
198.0	0.6687	0.0421	0.1014	0.1098
234.0	0.4877	0.0274	0.0837	0.0881
270.0	0.4277	0.0324	0.0783	0.0848
306.0	0.3864	0.0383	0.0724	0.0819
342.0	0.3974	0.0343	0.0712	0.0791

CLAS Physics Database