Measurement E213M461

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:	1.525 — 1.55 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3716	0.026	0.0673	0.0721
54.0	0.3405	0.0183	0.0642	0.0668
90.0	0.4377	0.0229	0.0731	0.0766
126.0	0.5161	0.0253	0.0814	0.0853
162.0	0.6245	0.0269	0.0911	0.095
198.0	0.6482	0.0326	0.0934	0.0989
234.0	0.5969	0.0297	0.089	0.0938
270.0	0.4252	0.0249	0.0719	0.0761
306.0	0.3676	0.0201	0.0678	0.0708
342.0	0.3503	0.022	0.066	0.0696

CLAS Physics Database