Measurement E213M497

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:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.366	0.0228	0.0804	0.1154
54.0	0.4443	0.0257	0.0897	0.124
90.0	0.5094	0.0295	0.0982	0.1025
126.0	0.6264	0.0315	0.1119	0.1162
162.0	0.7551	0.0335	0.1259	0.1303
198.0	0.7021	0.0318	0.1195	0.1237
234.0	0.6476	0.0319	0.1141	0.1185
270.0	0.5194	0.0239	0.0996	0.1025
306.0	0.4114	0.0202	0.0863	0.1179
342.0	0.4107	0.0199	0.0858	0.1242

CLAS Physics Database