Measurement E213M300

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:	1.8 — 1.825 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.066	0.0608	0.1884	0.198
54.0	1.1193	0.0594	0.1495	0.1609
90.0	1.1279	0.0597	0.1392	0.1514
126.0	1.0255	0.0548	0.1244	0.1359
162.0	0.9951	0.049	0.1162	0.1261
198.0	1.0867	0.0632	0.1244	0.1395
234.0	1.053	0.0552	0.1265	0.138
270.0	1.0205	0.0553	0.1306	0.1419
306.0	1.0371	0.0491	0.1434	0.1515
342.0	1.0603	0.0566	0.189	0.1973

CLAS Physics Database