Measurement E213M948

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:	3.5 — 4.2 GeV²
W:	1.425 — 1.45 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.1756	0.025	0.0567	0.062
54.0	0.1431	0.0236	0.0422	0.0483
90.0	0.1294	0.0155	0.0364	0.0396
126.0	0.1404	0.014	0.0378	0.0403
162.0	0.1675	0.0145	0.0436	0.0623
198.0	0.1166	0.0643	0.0318	0.0717
234.0	0.1479	0.0142	0.0401	0.0425
270.0	0.126	0.0151	0.0359	0.0389
306.0	0.1523	0.0171	0.044	0.0472
342.0	0.1449	0.0162	0.049	0.0516

CLAS Physics Database