Measurement E213M353

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:	1.95 — 1.975 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8033	0.0612	0.121	0.1355
54.0	0.7867	0.039	0.1263	0.1322
90.0	0.9533	0.0526	0.1416	0.151
126.0	0.8948	0.053	0.1367	0.1466
162.0	1.2754	0.0602	0.1639	0.1747
198.0	1.1548	0.0624	0.155	0.167
234.0	1.1546	0.0846	0.1568	0.1782
270.0	0.8606	0.0488	0.1345	0.1431
306.0	0.805	0.0461	0.1266	0.1347
342.0	0.8331	0.0412	0.1231	0.1298

CLAS Physics Database