Measurement E213M1083

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:	3.5 — 4.2 GeV²
W:	1.8 — 1.825 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3841	0.0361	0.0652	0.0745
54.0	0.4063	0.0325	0.0503	0.0599
90.0	0.3946	0.0285	0.047	0.055
126.0	0.3973	0.0341	0.0472	0.0582
162.0	0.3936	0.0369	0.0444	0.0578
198.0	0.4198	0.0361	0.0472	0.0594
234.0	0.399	0.032	0.0476	0.0574
270.0	0.3615	0.0247	0.0449	0.0512
306.0	0.4074	0.0278	0.0504	0.0575
342.0	0.4027	0.035	0.0658	0.0745

CLAS Physics Database