Measurement E213M577

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:	1.85 — 1.875 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7092	0.0409	0.1289	0.1352
54.0	0.7801	0.0492	0.1019	0.1131
90.0	0.7294	0.0454	0.0938	0.1043
126.0	0.896	0.0455	0.1113	0.1203
162.0	0.8863	0.0347	0.1039	0.1096
198.0	0.8707	0.0333	0.1041	0.1093
234.0	0.7934	0.0689	0.1015	0.1227
270.0	0.7171	0.036	0.0917	0.0985
306.0	0.6978	0.0504	0.0946	0.1072
342.0	0.6593	0.04	0.1214	0.1278

CLAS Physics Database