Measurement E213M731

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:	1.55 — 1.575 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2341	0.0179	0.0586	0.0613
54.0	0.2458	0.0369	0.061	0.0713
90.0	0.2896	0.0193	0.0671	0.0698
126.0	0.3485	0.0199	0.0764	0.0789
162.0	0.4993	0.0334	0.1008	0.1444
198.0	0.4493	0.0326	0.0925	0.1309
234.0	0.4276	0.0303	0.0895	0.0945
270.0	0.2714	0.0197	0.0646	0.0675
306.0	0.2384	0.0244	0.0594	0.0642
342.0	0.23	0.0169	0.0582	0.0606

CLAS Physics Database