Measurement E213M407

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:	2.1 — 2.125 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.588	0.0318	0.1171	0.1213
54.0	0.5909	0.0366	0.1207	0.1262
90.0	0.6687	0.0339	0.1313	0.1356
126.0	0.7702	0.0376	0.1358	0.141
162.0	0.9179	0.0376	0.1464	0.1511
198.0	1.0207	0.0402	0.155	0.1602
234.0	0.785	0.0347	0.1363	0.1406
270.0	0.6846	0.0484	0.1327	0.1412
306.0	0.6003	0.0373	0.1194	0.1251
342.0	0.5913	0.0378	0.1165	0.1224

CLAS Physics Database