Measurement E213M426

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:	2.4 — 3.0 GeV²
W:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2975	0.0251	0.0739	0.1054
54.0	0.2952	0.0212	0.0577	0.0771
90.0	0.2768	0.0184	0.0491	0.0524
126.0	0.2974	0.02	0.0485	0.0525
162.0	0.2791	0.0278	0.0451	0.053
198.0	0.319	0.0184	0.0509	0.0541
234.0	0.2901	0.0192	0.0486	0.0523
270.0	0.2632	0.0252	0.048	0.0543
306.0	0.237	0.017	0.0502	0.076
342.0	0.2688	0.0203	0.0687	0.0983

CLAS Physics Database