Measurement E213M417

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(p)
Q²:	2.4 — 3.0 GeV²
W:	1.4 — 1.425 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1745	0.01	0.0882	0.0888
54.0	0.1799	0.0123	0.079	0.08
90.0	0.1825	0.0124	0.0731	0.0741
126.0	0.2084	0.014	0.0753	0.0766
162.0	0.2243	0.0148	0.0756	0.077
198.0	0.2203	0.0145	0.0754	0.0768
234.0	0.1834	0.0128	0.0688	0.07
270.0	0.2051	0.0141	0.0776	0.0788
306.0	0.1635	0.0172	0.0761	0.1084
342.0	0.1608	0.0086	0.0864	0.1237

CLAS Physics Database