Measurement E213M1335

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(p)
Q²:	4.2 — 5.0 GeV²
W:	1.775 — 1.8 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	0.2517	0.0216	0.0478	0.0525
54.0	0.2267	0.0221	0.0358	0.042
90.0	0.2114	0.0217	0.0335	0.0399
126.0	0.2689	0.0374	0.0392	0.0542
162.0	0.2382	0.0216	0.0364	0.0423
198.0	0.2691	0.026	0.0388	0.0467
234.0	0.2295	0.0237	0.0356	0.0428
270.0	0.209	0.0215	0.0334	0.0397
306.0	0.2059	0.0154	0.0335	0.0369
342.0	0.2325	0.0214	0.0453	0.0501

CLAS Physics Database