CLAS Physics Database

Measurement E213M393

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: 2.0 — 2.4 GeV2
W: 2.05 — 2.075 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 1.8264 0.1222 0.3521 0.3728
27.0 1.4358 0.0802 0.2291 0.2427
45.0 1.6451 0.0886 0.4342 0.4431
63.0 1.4528 0.0806 0.3322 0.3419
81.0 1.8037 0.0993 0.3172 0.3324
99.0 2.362 0.1086 0.3864 0.4014
117.0 2.646 0.1221 0.3678 0.3875
135.0 3.3869 0.1366 0.4306 0.4518
153.0 5.0027 0.2023 0.6125 0.6451
171.0 6.1558 0.3638 0.8113 0.8892