Measurement E213M226

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:	1.6 — 1.625 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁻), [deg]	dσ/dψ(π⁻), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.8334	0.0754	0.1787	0.1939
54.0	0.8897	0.0562	0.1416	0.1524
90.0	0.8476	0.0466	0.1217	0.1304
126.0	0.8871	0.0476	0.1196	0.1287
162.0	0.9848	0.0494	0.1224	0.132
198.0	0.9373	0.0467	0.1179	0.1268
234.0	0.8736	0.0456	0.1177	0.1262
270.0	0.8255	0.0522	0.1186	0.1296
306.0	0.806	0.0644	0.1317	0.1466
342.0	0.6684	0.0637	0.1597	0.172

CLAS Physics Database