Measurement E213M712

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:	1.5 — 1.525 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3151	0.0297	0.0632	0.0698
54.0	0.3417	0.0319	0.0511	0.0602
90.0	0.3566	0.0277	0.0502	0.0574
126.0	0.388	0.0246	0.0528	0.0583
162.0	0.4442	0.0273	0.0585	0.0645
198.0	0.4537	0.0264	0.0598	0.0654
234.0	0.4405	0.0269	0.0592	0.0651
270.0	0.3635	0.0251	0.0507	0.0566
306.0	0.3726	0.0294	0.0551	0.0625
342.0	0.2898	0.0333	0.0609	0.0694

CLAS Physics Database