Measurement E213M398

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:	2.075 — 2.1 GeV
E_beam:	5.754 GeV

Measurement data
ψ(π⁺), [deg]	dσ/dψ(π⁺), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.6339	0.0399	0.1217	0.1281
54.0	0.6594	0.0403	0.1279	0.1341
90.0	0.6942	0.0414	0.1373	0.1434
126.0	0.7941	0.0438	0.1419	0.1485
162.0	0.9523	0.0413	0.1556	0.161
198.0	0.957	0.0372	0.1582	0.1625
234.0	0.9471	0.0532	0.155	0.1639
270.0	0.7228	0.0485	0.138	0.1462
306.0	0.5711	0.0286	0.1197	0.1231
342.0	0.6634	0.0335	0.1242	0.1286

CLAS Physics Database