CLAS Physics Database

Measurement E213M184

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: 1.475 — 1.5 GeV
Ebeam: 5.754 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 3.0668 0.2337 0.9083 0.9379
27.0 3.6897 0.2215 0.603 0.6424
45.0 3.2844 0.2015 0.53 0.567
63.0 3.0964 0.1597 0.4909 0.5162
81.0 2.5092 0.1231 0.411 0.429
99.0 2.3521 0.1311 0.3866 0.4082
117.0 2.3657 0.1018 0.3975 0.4103
135.0 2.7837 0.1228 0.4505 0.467
153.0 3.3644 0.1718 0.5492 0.5754
171.0 3.1621 0.2308 0.8311 0.8626