Measurement E213M273

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:	2.0 — 2.4 GeV²
W:	1.725 — 1.75 GeV
E_beam:	5.754 GeV

Measurement data
ψ(p), [deg]	dσ/dψ(p), [μb/rad]	uncertainty	syst. uncert.	total uncert.
18.0	1.3824	0.0748	0.2123	0.2251
54.0	1.2303	0.06	0.1509	0.1624
90.0	1.2777	0.063	0.143	0.1562
126.0	1.2203	0.0667	0.1329	0.1487
162.0	1.3238	0.0587	0.138	0.15
198.0	1.3031	0.0581	0.1365	0.1483
234.0	1.2623	0.0527	0.1368	0.1467
270.0	1.2696	0.0613	0.1419	0.1545
306.0	1.1624	0.0646	0.1455	0.1592
342.0	1.2041	0.0594	0.1986	0.2073

CLAS Physics Database