Measurement E213M470

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:	1.55 — 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	0.3432	0.0233	0.0729	0.0765
54.0	0.3502	0.0206	0.0739	0.0767
90.0	0.4476	0.0265	0.0857	0.0897
126.0	0.5695	0.03	0.1001	0.1045
162.0	0.6644	0.0346	0.1114	0.1598
198.0	0.6866	0.0358	0.1137	0.1623
234.0	0.5522	0.0285	0.0983	0.1023
270.0	0.4079	0.0201	0.082	0.0845
306.0	0.383	0.0242	0.0787	0.0823
342.0	0.3254	0.0178	0.0715	0.1057

CLAS Physics Database