Measurement E213M191

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:	1.5 — 1.525 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7157	0.0387	0.1351	0.1405
54.0	0.7867	0.0406	0.139	0.1448
90.0	0.852	0.0419	0.1436	0.1496
126.0	1.1248	0.0511	0.1662	0.2315
162.0	1.0968	0.0522	0.1617	0.229
198.0	1.1626	0.0457	0.1688	0.2365
234.0	1.0604	0.0516	0.1603	0.2276
270.0	0.8275	0.0473	0.1423	0.1499
306.0	0.8091	0.04	0.1415	0.147
342.0	0.7931	0.0401	0.1405	0.1461

CLAS Physics Database