CLAS Physics Database

Measurement E213M304

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: 1.825 — 1.85 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.100435 2.7707 0.2652 0.5443 1.563
1.145619 6.1457 0.5385 1.1261 1.6013
1.190804 10.2319 0.5601 1.68 1.7709
1.235989 11.2773 0.5785 1.8289 1.9182
1.281174 11.0376 0.7959 1.7673 1.9383
1.326359 10.3733 0.6122 1.7019 1.8086
1.371544 9.5469 0.6266 1.5738 1.6939
1.416728 10.0348 0.7022 1.6265 1.7716
1.461913 13.8177 0.7168 1.9482 2.0758
1.507098 15.7085 0.732 2.1936 3.1011
1.552283 14.7182 0.8135 2.109 2.9787
1.597468 11.698 0.7222 1.7768 1.918
1.642653 7.7404 0.6115 1.3051 1.8432
1.687837 1.504 0.1636 0.389 0.422