Measurement E213M694

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:	1.45 — 1.475 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2084	0.0284	0.0509	0.0583
54.0	0.2447	0.0264	0.0433	0.0507
90.0	0.2446	0.0195	0.0407	0.0452
126.0	0.327	0.022	0.0511	0.0556
162.0	0.2896	0.0237	0.0449	0.0508
198.0	0.2863	0.0185	0.0446	0.0483
234.0	0.2958	0.0203	0.0469	0.0511
270.0	0.2422	0.0201	0.0401	0.0449
306.0	0.279	0.0272	0.0485	0.0556
342.0	0.2357	0.0301	0.0559	0.0635

CLAS Physics Database