CLAS Physics Database

Measurement E213M612

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: 1.95 — 1.975 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.105792 2.3238 0.1618 0.5833 0.8238
1.161691 10.2482 0.5413 1.7982 2.5453
1.21759 13.3018 0.5669 2.0204 2.8619
1.273489 8.649 0.6116 1.2955 1.8293
1.329388 7.2448 0.3739 1.029 1.4516
1.385287 7.0297 0.3956 0.9354 1.0156
1.441186 6.5386 0.3808 0.8268 0.9103
1.497086 5.7487 0.3147 0.7129 0.7793
1.552985 5.7157 0.3176 0.6837 0.7538
1.608884 5.1582 0.3304 0.5916 0.8358
1.664783 5.0041 0.2629 0.5427 0.7676
1.720682 3.9135 0.2898 0.4381 0.6279
1.776581 0.6426 0.0581 0.1121 1.064
1.83248 0.0126 0.0015 0.0074 0.0076