Measurement E213M901

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3489	0.0383	0.0618	0.0727
54.0	0.3632	0.0293	0.0491	0.0571
90.0	0.4851	0.049	0.0637	0.0804
126.0	0.5051	0.0354	0.0643	0.0734
162.0	0.5553	0.0249	0.0678	0.0722
198.0	0.6134	0.0332	0.0738	0.0809
234.0	0.5208	0.0348	0.0664	0.0749
270.0	0.4111	0.0249	0.0563	0.0616
306.0	0.3217	0.034	0.0448	0.0563
342.0	0.2689	0.0171	0.0552	0.0578

CLAS Physics Database