Measurement E213M488

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:	1.6 — 1.625 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.386	0.0283	0.0813	0.086
54.0	0.366	0.0216	0.0791	0.1137
90.0	0.4505	0.0448	0.0904	0.1008
126.0	0.601	0.0309	0.1093	0.1136
162.0	0.7634	0.0381	0.1302	0.1357
198.0	0.6794	0.0301	0.1192	0.123
234.0	0.5839	0.0436	0.1067	0.1153
270.0	0.464	0.0265	0.0914	0.0951
306.0	0.4103	0.0232	0.0848	0.1188
342.0	0.4119	0.0256	0.0847	0.0885

CLAS Physics Database