CLAS Physics Database

Measurement E213M448

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/dM(π,p)
Q2: 2.4 — 3.0 GeV2
W: 1.5 — 1.525 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.090613 0.8977 0.1179 0.2203 2.1293
1.116155 4.82 0.4205 0.9325 2.5939
1.141697 10.3605 0.6475 1.9287 2.0345
1.167239 16.4775 0.8661 3.0244 3.146
1.192781 24.748 1.0414 4.4072 4.5286
1.218323 28.8026 1.1285 5.2014 5.3224
1.243865 24.8179 0.9194 4.4989 4.5919
1.269407 16.7152 0.723 3.1674 3.2489
1.294949 10.316 0.7315 1.9482 2.081
1.320491 4.0823 0.4917 0.7966 0.9361
1.346033 0.728 0.1024 0.1846 0.6301
1.371575 0.0147 0.0048 0.0092 0.1052
1.397117 0.0 0.0 0.0 0.0
1.422659 0.0 0.0 0.0 0.0