Measurement E213M163

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:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4843	0.0306	0.1748	0.1775
54.0	0.4787	0.0459	0.1234	0.1316
90.0	0.501	0.0322	0.1061	0.1109
126.0	0.5934	0.0354	0.1033	0.1092
162.0	0.6012	0.0331	0.098	0.1035
198.0	0.6051	0.0332	0.0985	0.104
234.0	0.5176	0.0306	0.0941	0.0989
270.0	0.5435	0.0328	0.1092	0.114
306.0	0.4602	0.0293	0.1238	0.1272
342.0	0.468	0.0275	0.1746	0.1767

CLAS Physics Database