CLAS Physics Database

Measurement E213M744

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: 1.575 — 1.6 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 0.5356 0.1013 0.1327 0.2667
27.0 0.5231 0.061 0.0826 0.2173
45.0 0.5823 0.0556 0.079 0.1319
63.0 0.6538 0.0535 0.0774 0.0941
81.0 1.1411 0.0908 0.1142 0.1459
99.0 1.1814 0.0785 0.1178 0.1415
117.0 1.3332 0.089 0.1317 0.159
135.0 1.4033 0.0922 0.1358 0.1641
153.0 1.5078 0.0963 0.1424 0.1719
171.0 1.4288 0.2508 0.1584 0.2966