Measurement E213M1074

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:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3598	0.0248	0.0572	0.0624
54.0	0.406	0.0304	0.048	0.0568
90.0	0.3788	0.027	0.0442	0.0518
126.0	0.3961	0.0355	0.0446	0.057
162.0	0.4649	0.0385	0.0493	0.0625
198.0	0.3952	0.0289	0.0432	0.052
234.0	0.3456	0.0262	0.0404	0.0482
270.0	0.3455	0.0297	0.0414	0.051
306.0	0.338	0.0283	0.0419	0.0506
342.0	0.3547	0.033	0.0571	0.0659

CLAS Physics Database