Measurement E213M183

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:	2.0 — 2.4 GeV²
W:	1.475 — 1.5 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.001	0.0578	0.2464	0.2531
54.0	0.8766	0.0606	0.1662	0.1769
90.0	0.7818	0.0471	0.1329	0.141
126.0	0.9259	0.0512	0.1371	0.1463
162.0	0.9624	0.0424	0.1359	0.1423
198.0	1.0128	0.0426	0.1439	0.1501
234.0	0.86	0.0412	0.1306	0.1369
270.0	0.7994	0.0591	0.1358	0.1481
306.0	0.8461	0.0452	0.1623	0.1685
342.0	1.0321	0.0688	0.2453	0.2547

CLAS Physics Database