CLAS Physics Database

Measurement E213M710

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: 3.0 — 3.5 GeV2
W: 1.5 — 1.525 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.291911 0.9827 0.1479 0.2683 0.9851
0.317453 5.0169 0.5673 1.0392 1.4825
0.342995 6.9103 0.7481 1.2534 1.7759
0.368537 6.2411 0.6777 1.114 1.304
0.394079 6.0709 0.5342 1.0423 1.1713
0.419621 8.5713 0.6944 1.3018 1.4754
0.445163 10.0065 0.7942 1.4497 1.653
0.470705 11.5163 0.7874 1.5797 1.7651
0.496247 11.073 0.6391 1.4513 1.5858
0.521789 11.9398 0.8024 1.5107 2.1377
0.547331 10.3279 0.6369 1.2901 1.827
0.572873 2.2866 0.2671 0.3058 2.2876
0.598415 0.0004 0.0025 0.0003 0.0026
0.623957 0.0 0.0 0.0 0.0