Measurement E213M766

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:	1.65 — 1.675 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3901	0.0376	0.0631	0.0735
54.0	0.4043	0.0635	0.0451	0.0803
90.0	0.5051	0.0327	0.0497	0.0595
126.0	0.5095	0.0387	0.0489	0.0624
162.0	0.6214	0.0385	0.056	0.0795
198.0	0.5853	0.0388	0.0532	0.0757
234.0	0.5527	0.0349	0.0528	0.0633
270.0	0.5917	0.0428	0.0567	0.0711
306.0	0.4445	0.0338	0.0486	0.0689
342.0	0.4493	0.0535	0.0672	0.0859

CLAS Physics Database