Measurement E213M532

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:	2.4 — 3.0 GeV²
W:	1.725 — 1.75 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.9742	0.05	0.1657	0.1731
54.0	0.8795	0.0962	0.112	0.1476
90.0	0.9263	0.0454	0.1076	0.1167
126.0	1.0142	0.0464	0.1148	0.1238
162.0	1.0757	0.0526	0.1149	0.1263
198.0	0.9905	0.0443	0.1069	0.1157
234.0	0.9803	0.0407	0.1111	0.1183
270.0	0.9891	0.0446	0.1129	0.1214
306.0	0.9939	0.0551	0.1234	0.1352
342.0	0.8472	0.0467	0.1496	0.1568

CLAS Physics Database