Measurement E213M155

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:	1.4 — 1.425 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.3984	0.0314	0.1417	0.1452
54.0	0.389	0.0251	0.1391	0.1413
90.0	0.4122	0.0394	0.1443	0.1495
126.0	0.4687	0.0571	0.1495	0.2168
162.0	0.5073	0.0255	0.1548	0.2194
198.0	0.5271	0.0258	0.1564	0.2207
234.0	0.4729	0.0249	0.1506	0.2161
270.0	0.4474	0.0242	0.1476	0.1496
306.0	0.4295	0.0245	0.1451	0.1471
342.0	0.3895	0.0208	0.141	0.1426

CLAS Physics Database