Measurement E213M154

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	0.3218	0.0071	0.1908	0.191
54.0	0.3428	0.0134	0.173	0.1735
90.0	0.3286	0.0147	0.1525	0.1532
126.0	0.3973	0.0199	0.1468	0.1482
162.0	0.4069	0.0201	0.1405	0.1419
198.0	0.4007	0.0201	0.1379	0.1394
234.0	0.3861	0.0192	0.1452	0.1464
270.0	0.3468	0.0157	0.1537	0.1544
306.0	0.3287	0.0128	0.1718	0.1723
342.0	0.3433	0.0107	0.1929	0.1932

CLAS Physics Database