Measurement E213M696

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:	3.0 — 3.5 GeV²
W:	1.45 — 1.475 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2254	0.0204	0.05	0.071
54.0	0.2528	0.0216	0.0444	0.063
90.0	0.2429	0.0266	0.0402	0.0482
126.0	0.2798	0.0196	0.0445	0.0487
162.0	0.2862	0.0206	0.0449	0.0494
198.0	0.2715	0.0246	0.043	0.0495
234.0	0.278	0.0196	0.0445	0.0487
270.0	0.2368	0.0186	0.04	0.0441
306.0	0.2668	0.0243	0.0466	0.0657
342.0	0.2073	0.0209	0.0469	0.0692

CLAS Physics Database