CLAS Physics Database

Measurement E213M314

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: 1.85 — 1.875 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.30709 2.3941 0.2112 0.5018 0.7093
0.362989 8.4064 0.5316 1.4886 2.0584
0.418888 8.6775 0.4519 1.6149 2.2817
0.474787 8.9104 0.4244 1.5126 2.1475
0.530686 10.2003 0.6218 1.4344 2.0267
0.586586 10.5782 0.5829 1.3752 1.4937
0.642485 13.5363 0.7164 1.6612 1.8091
0.698384 15.2039 0.7659 1.9216 2.0687
0.754283 17.9128 0.9447 2.1756 3.0832
0.810182 13.986 0.8861 1.5899 2.2599
0.866081 6.6347 0.3496 0.6686 0.9533
0.92198 0.9497 0.0863 0.1101 0.9229
0.977879 0.0 0.0 0.0 0.0
1.033778 0.0 0.0 0.0 0.0