Measurement E213M1308

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:	4.2 — 5.0 GeV²
W:	1.7 — 1.725 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3553	0.0274	0.0674	0.0728
54.0	0.3161	0.0269	0.0487	0.0557
90.0	0.2172	0.019	0.0378	0.1635
126.0	0.3056	0.0272	0.0461	0.0535
162.0	0.2806	0.0246	0.044	0.0774
198.0	0.3753	0.0368	0.0526	0.0819
234.0	0.2669	0.025	0.0428	0.0496
270.0	0.3	0.0332	0.0459	0.0567
306.0	0.3363	0.0275	0.0499	0.057
342.0	0.3143	0.0364	0.0622	0.072

CLAS Physics Database