Measurement E213M289

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:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8826	0.0439	0.1597	0.1657
54.0	0.9679	0.0549	0.1249	0.1364
90.0	1.0523	0.0548	0.1196	0.1316
126.0	1.1254	0.0502	0.1284	0.1379
162.0	1.1715	0.0529	0.121	0.1321
198.0	1.0579	0.0456	0.1097	0.1188
234.0	1.0675	0.0717	0.1226	0.142
270.0	1.0696	0.0507	0.1217	0.1318
306.0	1.0076	0.0714	0.1275	0.1462
342.0	0.9247	0.053	0.1631	0.1715

CLAS Physics Database