Measurement E213M740

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:	1.575 — 1.6 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.231	0.0187	0.039	0.055
54.0	0.2422	0.0206	0.0394	0.0445
90.0	0.272	0.0195	0.0421	0.0463
126.0	0.4275	0.0322	0.0551	0.078
162.0	0.4386	0.0415	0.0559	0.0696
198.0	0.4344	0.028	0.0559	0.0625
234.0	0.38	0.0327	0.051	0.0719
270.0	0.2714	0.0201	0.0421	0.0466
306.0	0.273	0.023	0.0423	0.0481
342.0	0.2691	0.0285	0.0418	0.0589

CLAS Physics Database