Measurement E213M829

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:	3.0 — 3.5 GeV²
W:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.388	0.0242	0.0795	0.0831
54.0	0.398	0.0258	0.0586	0.064
90.0	0.457	0.0495	0.0628	0.08
126.0	0.5053	0.0371	0.0697	0.079
162.0	0.6232	0.0464	0.0787	0.0914
198.0	0.5545	0.0306	0.0725	0.0787
234.0	0.4959	0.0343	0.0691	0.0771
270.0	0.4411	0.0304	0.0607	0.0679
306.0	0.4457	0.031	0.0642	0.0713
342.0	0.403	0.0293	0.0808	0.0859

CLAS Physics Database