Measurement E213M298

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:	1.8 — 1.825 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.0024	0.0595	0.1778	0.1875
54.0	1.0049	0.0563	0.1318	0.1433
90.0	1.0566	0.0501	0.1248	0.1345
126.0	1.1157	0.0518	0.1326	0.1424
162.0	1.176	0.0529	0.1255	0.1362
198.0	1.1877	0.0543	0.1267	0.1378
234.0	1.1481	0.0621	0.1344	0.1481
270.0	1.0887	0.0545	0.1268	0.138
306.0	1.0506	0.0623	0.1355	0.1491
342.0	0.9351	0.0538	0.17	0.1783

CLAS Physics Database