Measurement E213M343

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:	1.925 — 1.95 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.801	0.0363	0.146	0.1504
54.0	0.8262	0.0492	0.1106	0.121
90.0	0.9472	0.0497	0.1185	0.1285
126.0	1.0477	0.0597	0.1288	0.1419
162.0	1.1397	0.0477	0.1278	0.1364
198.0	1.2671	0.0609	0.1412	0.1538
234.0	0.9721	0.0443	0.1214	0.1292
270.0	0.8954	0.0449	0.1131	0.1217
306.0	0.66	0.1967	0.0952	0.2185
342.0	0.8748	0.0472	0.1526	0.1597

CLAS Physics Database