CLAS Physics Database

Measurement E213M332

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+)
Q2: 2.0 — 2.4 GeV2
W: 1.9 — 1.925 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.30709 1.6318 0.4088 0.4249 0.5896
0.362989 5.602 0.3558 1.1406 1.1948
0.418888 6.798 0.4218 1.4252 1.4863
0.474787 7.3004 0.3524 1.5068 1.5475
0.530686 8.5153 0.4107 1.5613 1.6144
0.586586 10.2681 0.5991 1.6115 1.7193
0.642485 9.7731 0.4663 1.3362 1.4152
0.698384 16.1316 0.7376 1.8752 2.0151
0.754283 18.5979 0.9232 2.1901 2.3767
0.810182 11.6278 0.6175 1.5763 1.6929
0.866081 8.374 0.5891 1.0697 1.2211
0.92198 4.3153 0.2871 0.4566 0.5394
0.977879 0.6691 0.0649 0.0836 0.1059
1.033778 0.0 0.0 0.0 0.0