Measurement E213M255

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:	2.0 — 2.4 GeV²
W:	1.675 — 1.7 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.2478	0.0606	0.2358	0.3369
54.0	1.2605	0.0621	0.1788	0.1893
90.0	1.2753	0.0653	0.1624	0.1751
126.0	1.2157	0.0638	0.1469	0.1602
162.0	1.215	0.0509	0.1444	0.1531
198.0	1.2761	0.0611	0.15	0.1619
234.0	1.0812	0.051	0.1386	0.1477
270.0	1.1867	0.0554	0.1533	0.163
306.0	1.1937	0.0613	0.172	0.1826
342.0	1.2636	0.0573	0.2385	0.3436

CLAS Physics Database