Measurement E213M568

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:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.5948	0.0312	0.1289	0.1326
54.0	0.7048	0.0384	0.1048	0.1116
90.0	0.6613	0.0322	0.095	0.1003
126.0	0.8084	0.0458	0.1124	0.1214
162.0	0.8691	0.0435	0.1129	0.121
198.0	0.7785	0.0387	0.1045	0.1114
234.0	0.7937	0.0453	0.1114	0.1203
270.0	0.724	0.0355	0.1013	0.1073
306.0	0.654	0.0342	0.1002	0.1059
342.0	0.6442	0.0331	0.1351	0.1391

CLAS Physics Database