Measurement E213M271

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:	1.725 — 1.75 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.0452	0.0535	0.1811	0.1888
54.0	1.2759	0.0885	0.1488	0.1732
90.0	1.38	0.0727	0.1435	0.1609
126.0	1.3362	0.0601	0.1402	0.1525
162.0	1.4015	0.0597	0.1334	0.1461
198.0	1.4116	0.0616	0.1342	0.1477
234.0	1.2221	0.0607	0.1281	0.1418
270.0	1.2985	0.0562	0.1366	0.1477
306.0	1.358	0.0685	0.1542	0.1688
342.0	1.2724	0.081	0.1998	0.2156

CLAS Physics Database