Measurement E213M308

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:	2.0 — 2.4 GeV²
W:	1.825 — 1.85 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8127	0.0387	0.1358	0.1413
54.0	0.7811	0.0416	0.1343	0.1406
90.0	0.8888	0.0559	0.1482	0.1584
126.0	1.084	0.0564	0.1666	0.2355
162.0	1.1881	0.061	0.1745	0.2443
198.0	1.2066	0.0491	0.1756	0.2508
234.0	1.175	0.0679	0.1767	0.258
270.0	0.9264	0.0649	0.1525	0.1657
306.0	0.8556	0.0494	0.1422	0.1506
342.0	0.9054	0.0411	0.1447	0.1504

CLAS Physics Database