Measurement E213M236

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(π⁺)
Q²:	2.0 — 2.4 GeV²
W:	1.625 — 1.65 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6238	0.032	0.1161	0.1684
54.0	0.6505	0.0307	0.1193	0.1231
90.0	0.7941	0.0383	0.1326	0.138
126.0	0.9692	0.0496	0.148	0.1561
162.0	1.0774	0.0498	0.1572	0.2171
198.0	1.0949	0.0462	0.1597	0.2233
234.0	0.9441	0.0456	0.1466	0.1535
270.0	0.8259	0.0421	0.1357	0.1421
306.0	0.6655	0.0325	0.1194	0.1237
342.0	0.6647	0.0338	0.1182	0.1711

CLAS Physics Database