Measurement E213M1199

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:	4.2 — 5.0 GeV²
W:	1.4 — 1.425 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.0849	0.0147	0.0303	0.0337
54.0	0.0633	0.0085	0.0253	0.0267
90.0	0.0897	0.0109	0.031	0.0329
126.0	0.1092	0.0163	0.0351	0.0387
162.0	0.1082	0.0142	0.0346	0.0374
198.0	0.0817	0.011	0.0292	0.0312
234.0	0.0876	0.0108	0.0305	0.0323
270.0	0.0785	0.0137	0.029	0.0321
306.0	0.0772	0.0106	0.029	0.0308
342.0	0.0679	0.0104	0.0266	0.0286

CLAS Physics Database