Measurement E213M380

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:	2.025 — 2.05 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7433	0.0408	0.1266	0.133
54.0	0.743	0.0412	0.1318	0.1381
90.0	0.8406	0.0524	0.1447	0.1539
126.0	0.8936	0.046	0.1452	0.1523
162.0	1.0762	0.0455	0.1605	0.1668
198.0	1.1106	0.047	0.1618	0.1685
234.0	0.9151	0.0603	0.1469	0.1588
270.0	0.8334	0.0447	0.1411	0.148
306.0	0.7056	0.0478	0.128	0.1366
342.0	0.7552	0.0383	0.1268	0.1324

CLAS Physics Database