CLAS Physics Database

Measurement E213M382

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: 2.0 — 2.4 GeV2
W: 2.025 — 2.05 GeV
Ebeam: 5.754 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 4.1114 0.3664 0.5855 0.6906
27.0 4.263 0.2408 0.4683 0.5265
45.0 2.9575 0.1428 0.3534 0.3812
63.0 2.7911 0.129 0.356 0.3786
81.0 2.4813 0.0951 0.3609 0.3732
99.0 2.3363 0.0958 0.3607 0.3732
117.0 2.2126 0.1129 0.3515 0.3692
135.0 2.2649 0.1194 0.3635 0.3825
153.0 2.5081 0.1368 0.3853 0.4089
171.0 3.0026 0.2175 0.5703 0.6104