Measurement E213M587

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:	1.875 — 1.9 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6175	0.0326	0.1	0.1051
54.0	0.6634	0.0297	0.1066	0.1106
90.0	0.6981	0.0372	0.1101	0.1162
126.0	0.7968	0.0333	0.12	0.1721
162.0	0.8976	0.0439	0.1292	0.1861
198.0	0.9578	0.0453	0.135	0.1911
234.0	0.8535	0.0511	0.1254	0.1814
270.0	0.696	0.0429	0.11	0.118
306.0	0.6613	0.0355	0.106	0.1118
342.0	0.6331	0.0282	0.1008	0.1047

CLAS Physics Database