Measurement E213M921

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(p)
Q²:	3.0 — 3.5 GeV²
W:	2.075 — 2.1 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3561	0.0248	0.0872	0.0907
54.0	0.3559	0.0194	0.0757	0.0782
90.0	0.3766	0.0177	0.0765	0.0786
126.0	0.4424	0.0365	0.0868	0.0941
162.0	0.4242	0.0254	0.0835	0.0872
198.0	0.4009	0.0233	0.0809	0.0842
234.0	0.3725	0.0238	0.0781	0.0817
270.0	0.3426	0.0216	0.0725	0.0756
306.0	0.3807	0.0449	0.0785	0.0904
342.0	0.3418	0.0205	0.0851	0.0875

CLAS Physics Database