CLAS Physics Database

Measurement E213M270

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: 1.725 — 1.75 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.100435 4.9408 0.5148 1.1533 3.6992
1.145619 18.3052 0.9834 2.7467 3.8892
1.190804 33.3242 1.5357 4.0089 4.293
1.235989 32.431 1.3808 3.6102 3.8653
1.281174 19.1942 0.8698 2.1229 2.2942
1.326359 16.3115 0.7166 1.7 1.8448
1.371544 16.0782 0.7609 1.5735 1.7479
1.416728 13.1949 0.6057 1.2644 1.402
1.461913 11.7521 0.6955 1.102 1.3032
1.507098 9.1269 0.5229 0.8723 1.017
1.552283 5.2654 0.4744 0.537 2.532
1.597468 0.8678 0.1206 0.1661 0.8765
1.642653 0.0 0.0013 0.0 0.0
1.687837 0.0 0.0005 0.0 0.0