Measurement E213M515

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:	1.675 — 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	0.7504	0.0397	0.1258	0.1319
54.0	0.7399	0.0343	0.1252	0.1298
90.0	0.79	0.0345	0.1321	0.1366
126.0	0.8756	0.0391	0.1409	0.198
162.0	1.0065	0.0571	0.1535	0.2196
198.0	1.0533	0.0438	0.1587	0.221
234.0	0.9958	0.0457	0.1527	0.2181
270.0	0.8322	0.0378	0.1365	0.1416
306.0	0.7341	0.0338	0.125	0.1295
342.0	0.7772	0.0335	0.1281	0.1324

CLAS Physics Database