Measurement E213M1182

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:	3.5 — 4.2 GeV²
W:	2.075 — 2.1 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2267	0.0149	0.0619	0.0637
54.0	0.2367	0.0151	0.0548	0.0569
90.0	0.2544	0.0191	0.0569	0.06
126.0	0.2811	0.024	0.0631	0.0675
162.0	0.3223	0.021	0.0672	0.0704
198.0	0.2976	0.0206	0.064	0.0673
234.0	0.2564	0.0244	0.0601	0.0649
270.0	0.2507	0.0154	0.0563	0.0584
306.0	0.2388	0.0158	0.0549	0.0571
342.0	0.2253	0.0138	0.0614	0.063

CLAS Physics Database