CLAS Physics Database

Measurement E213M796

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(π)))
Q2: 3.0 — 3.5 GeV2
W: 1.725 — 1.75 GeV
Ebeam: 5.754 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 1.9363 0.2135 0.3034 0.4291
27.0 1.8851 0.1686 0.2045 0.2921
45.0 1.8952 0.1133 0.2192 0.3059
63.0 2.4413 0.2171 0.2666 0.3438
81.0 2.4009 0.154 0.2564 0.299
99.0 2.0306 0.1214 0.2145 0.2464
117.0 1.8843 0.1046 0.191 0.2177
135.0 1.935 0.1178 0.1884 0.2222
153.0 2.1356 0.1181 0.2046 0.2363
171.0 2.3378 0.1843 0.263 0.3211