Measurement E213M425

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:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2364	0.0319	0.0537	0.0819
54.0	0.2532	0.0191	0.0556	0.0588
90.0	0.3192	0.0229	0.0628	0.0668
126.0	0.3661	0.0214	0.0686	0.0719
162.0	0.3624	0.0204	0.0679	0.0709
198.0	0.3903	0.0263	0.0714	0.0761
234.0	0.3203	0.0234	0.0627	0.067
270.0	0.2987	0.0212	0.0604	0.064
306.0	0.2704	0.0182	0.0577	0.0605
342.0	0.279	0.0181	0.0593	0.0903

CLAS Physics Database