Measurement E213M415

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:	2.4 — 3.0 GeV²
W:	1.4 — 1.425 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1657	0.0094	0.0909	0.0914
54.0	0.1879	0.0154	0.0828	0.0842
90.0	0.1831	0.0126	0.0735	0.0746
126.0	0.187	0.0172	0.0693	0.0714
162.0	0.228	0.0151	0.0741	0.0756
198.0	0.2305	0.0149	0.0751	0.0766
234.0	0.22	0.0154	0.0773	0.0788
270.0	0.1935	0.0136	0.0756	0.0768
306.0	0.1715	0.0115	0.08	0.0808
342.0	0.1532	0.0083	0.0883	0.0887

CLAS Physics Database