Measurement E213M208

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:	1.55 — 1.575 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7118	0.0475	0.1977	0.2033
54.0	0.7267	0.0436	0.1496	0.1558
90.0	0.8072	0.0425	0.1459	0.152
126.0	0.8437	0.0404	0.1424	0.1481
162.0	0.8738	0.0371	0.1388	0.1436
198.0	0.8576	0.0391	0.1376	0.1431
234.0	0.7735	0.0362	0.1334	0.1383
270.0	0.7643	0.0403	0.1397	0.1454
306.0	0.6523	0.0494	0.1409	0.1493
342.0	0.5811	0.042	0.1825	0.1872

CLAS Physics Database