Measurement E213M352

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:	2.0 — 2.4 GeV²
W:	1.95 — 1.975 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8003	0.0426	0.1446	0.1508
54.0	0.808	0.041	0.1073	0.1149
90.0	0.9245	0.0474	0.1155	0.1248
126.0	0.9856	0.0455	0.1203	0.1286
162.0	1.2083	0.0486	0.1316	0.1403
198.0	1.1412	0.0447	0.1292	0.1367
234.0	1.0691	0.0492	0.1277	0.1369
270.0	0.9195	0.0511	0.1128	0.1238
306.0	0.8304	0.0438	0.1086	0.1171
342.0	0.7867	0.0369	0.143	0.1477

CLAS Physics Database