CLAS Physics Database

Measurement E213M295

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 2.9302 0.2894 0.5266 2.3492
1.145619 6.642 0.4502 1.0746 1.5237
1.190804 10.5771 0.5576 1.5963 2.2584
1.235989 13.5056 0.9526 1.9067 2.1314
1.281174 11.1632 0.6763 1.6835 1.8143
1.326359 11.2506 0.6457 1.6438 1.7661
1.371544 12.4582 0.6458 1.6529 1.7745
1.416728 13.6579 0.6817 1.774 1.9005
1.461913 16.3923 0.6732 2.2245 2.3242
1.507098 18.2281 0.8017 2.3795 2.5109
1.552283 15.7673 0.7798 2.2027 3.1557
1.597468 11.1508 0.6113 1.6923 2.3997
1.642653 4.2145 0.358 0.7946 2.1595
1.687837 0.0906 0.0077 0.0497 0.0503