Measurement E213M174

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(p)
Q²:	2.0 — 2.4 GeV²
W:	1.45 — 1.475 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.7513	0.0381	0.2067	0.2102
54.0	0.7279	0.042	0.1491	0.1549
90.0	0.6965	0.04	0.1209	0.1274
126.0	0.7016	0.0376	0.1098	0.1161
162.0	0.7026	0.0504	0.1052	0.1167
198.0	0.7398	0.0387	0.1093	0.116
234.0	0.6696	0.0343	0.108	0.1133
270.0	0.7091	0.0374	0.1222	0.1278
306.0	0.605	0.0367	0.1349	0.1398
342.0	0.8029	0.0453	0.2093	0.2141

CLAS Physics Database