Measurement E213M399

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:	2.075 — 2.1 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7147	0.0414	0.1528	0.1583
54.0	0.7014	0.0352	0.122	0.127
90.0	0.7505	0.0455	0.1181	0.1266
126.0	0.6818	0.0677	0.1147	0.1332
162.0	0.8384	0.0563	0.1284	0.1402
198.0	0.8533	0.046	0.1294	0.1374
234.0	0.8265	0.0488	0.1289	0.1378
270.0	0.7346	0.0385	0.1187	0.1248
306.0	0.7497	0.0422	0.1242	0.1311
342.0	0.6744	0.0378	0.1472	0.152

CLAS Physics Database