Measurement E213M354

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(p)
Q²:	2.0 — 2.4 GeV²
W:	1.95 — 1.975 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8866	0.0436	0.1636	0.2314
54.0	0.9143	0.045	0.1278	0.1355
90.0	0.9004	0.0466	0.1182	0.1271
126.0	0.9751	0.048	0.1243	0.1784
162.0	0.9605	0.0488	0.1188	0.168
198.0	1.0059	0.0534	0.1216	0.1732
234.0	0.8965	0.0453	0.1166	0.164
270.0	0.8731	0.1278	0.1152	0.172
306.0	0.869	0.0459	0.1229	0.1312
342.0	0.8501	0.0395	0.1593	0.2326

CLAS Physics Database