CLAS Physics Database

Measurement E213M286

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: 1.775 — 1.8 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.100435 3.1361 0.3615 0.523 2.4187
1.145619 7.3316 0.6607 1.1298 2.3501
1.190804 9.3493 0.6468 1.4802 2.526
1.235989 11.9936 0.5681 1.8071 1.8943
1.281174 10.5687 0.4786 1.652 1.7199
1.326359 11.6904 0.5627 1.7031 1.7937
1.371544 13.292 0.5712 1.8199 1.9074
1.416728 16.8569 0.7892 2.1139 2.2564
1.461913 18.1597 0.7292 2.3687 2.4784
1.507098 19.4264 0.8682 2.5312 2.6759
1.552283 15.5191 0.7393 2.1365 3.095
1.597468 6.4405 0.4085 1.1973 1.7011
1.642653 0.9788 0.121 0.2728 0.5881
1.687837 0.0 0.0 0.0 0.0