Measurement E213M443

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:	2.4 — 3.0 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	0.4485	0.0245	0.0793	0.083
54.0	0.4421	0.0272	0.0779	0.0825
90.0	0.4558	0.0267	0.0781	0.0825
126.0	0.5709	0.0305	0.0909	0.0959
162.0	0.6149	0.0307	0.096	0.1008
198.0	0.68	0.0313	0.1038	0.1084
234.0	0.5451	0.0274	0.0885	0.0927
270.0	0.4742	0.0272	0.0818	0.0862
306.0	0.3674	0.0475	0.0698	0.0844
342.0	0.4041	0.0232	0.0745	0.078

CLAS Physics Database