CLAS Physics Database

Measurement E213M187

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: 2.0 — 2.4 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 4.6071 0.4542 0.8021 5.5129
1.116155 10.311 0.6906 1.6912 1.8268
1.141697 15.9638 0.8889 2.4823 2.6367
1.167239 25.9106 1.2117 3.6776 3.8721
1.192781 33.8772 1.4784 4.6866 4.9142
1.218323 40.4006 1.4977 5.5266 5.726
1.243865 35.7233 1.3593 5.5605 5.7242
1.269407 26.239 1.2325 4.3622 4.533
1.294949 17.8732 0.9311 3.5973 3.7159
1.320491 9.6583 0.6849 2.4163 3.4162
1.346033 5.6188 0.5361 1.6806 2.3806
1.371575 0.8441 0.0796 0.3915 0.9628
1.397117 0.0001 0.0 0.0001 0.0001
1.422659 0.0 0.0 0.0 0.0