Measurement E213M210

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:	1.55 — 1.575 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8379	0.0424	0.219	0.223
54.0	0.7296	0.0629	0.1602	0.1721
90.0	0.681	0.0347	0.1372	0.1415
126.0	0.6844	0.0322	0.1302	0.1341
162.0	0.7131	0.0332	0.13	0.1861
198.0	0.7731	0.0372	0.1374	0.1942
234.0	0.6961	0.0318	0.1336	0.1373
270.0	0.6473	0.0316	0.1348	0.1384
306.0	0.8486	0.0453	0.1734	0.1792
342.0	0.8738	0.0422	0.2212	0.2252

CLAS Physics Database