Measurement E213M776

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:	1.675 — 1.7 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.4614	0.0327	0.0808	0.0872
54.0	0.5265	0.0332	0.0889	0.1252
90.0	0.5535	0.046	0.0928	0.1036
126.0	0.6065	0.0376	0.0986	0.1394
162.0	0.6118	0.0328	0.0994	0.1046
198.0	0.6685	0.0368	0.1057	0.1119
234.0	0.7029	0.0583	0.1092	0.1538
270.0	0.5398	0.0328	0.0909	0.0966
306.0	0.4385	0.0278	0.0793	0.1126
342.0	0.4661	0.0285	0.0816	0.0864

CLAS Physics Database