Measurement E213M309

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:	2.0 — 2.4 GeV²
W:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9494	0.0543	0.1827	0.1906
54.0	0.9632	0.0472	0.1445	0.152
90.0	0.9493	0.0548	0.1322	0.1431
126.0	0.9443	0.0474	0.1264	0.135
162.0	0.878	0.0463	0.1147	0.1634
198.0	1.0123	0.0542	0.129	0.1862
234.0	0.9615	0.079	0.1306	0.1527
270.0	0.8469	0.0707	0.1218	0.1408
306.0	0.838	0.1003	0.1324	0.1661
342.0	0.9828	0.0488	0.1855	0.1918

CLAS Physics Database