CLAS Physics Database

Measurement E213M297

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: 1.8 — 1.825 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.100435 3.0183 0.2192 0.8122 1.1535
1.145619 12.6684 0.6346 2.2423 3.1727
1.190804 23.2907 1.0638 3.2396 3.4098
1.235989 22.8236 1.1885 2.9244 3.1567
1.281174 16.0836 0.7948 2.029 2.1791
1.326359 11.8696 0.6825 1.5018 1.6495
1.371544 12.0432 0.7178 1.3894 1.5639
1.416728 11.1478 0.6498 1.2248 1.3865
1.461913 10.5005 0.563 1.1095 1.2441
1.507098 10.8548 0.5483 1.1005 1.2295
1.552283 8.0398 0.4584 0.8276 1.3435
1.597468 4.7746 0.3293 0.5184 0.7409
1.642653 2.5443 0.2756 0.326 0.4607
1.687837 0.047 0.0037 0.0264 0.0267