CLAS Physics Database

Measurement E213M762

Experiment: E1-6, 2025
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokespersons: R.W. Gothe, A. Trivedi
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.0 — 3.5 GeV2
W: 1.625 — 1.65 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 0.5503 0.076 0.1758 0.6985
27.0 0.6638 0.063 0.1165 0.1624
45.0 0.8489 0.0616 0.1193 0.1342
63.0 0.9506 0.059 0.1162 0.1303
81.0 1.3229 0.1239 0.1489 0.1937
99.0 1.4566 0.0913 0.1564 0.1811
117.0 1.4747 0.0889 0.1616 0.1844
135.0 1.6009 0.0957 0.1704 0.1955
153.0 1.5854 0.1055 0.1656 0.2341
171.0 1.3492 0.1346 0.1722 0.2452