CLAS Physics Database

Measurement E213M494

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: 2.4 — 3.0 GeV2
W: 1.625 — 1.65 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.297268 0.9932 0.1011 0.3139 2.1245
0.333525 5.1751 0.6261 1.2376 1.387
0.369781 7.5211 0.5516 1.4962 1.5947
0.406037 8.1555 0.5314 1.5075 1.5985
0.442294 7.4842 0.5861 1.3941 1.5123
0.47855 8.7711 0.6302 1.5529 1.6759
0.514806 10.6109 0.6522 1.6973 1.8183
0.551062 12.4885 0.7936 1.6849 1.8624
0.587319 11.4504 0.5431 1.4828 1.5791
0.623575 11.3532 0.4484 1.4093 2.0209
0.659831 8.8913 0.4153 1.0747 1.5176
0.696087 3.0235 0.2162 0.3789 3.2384
0.732344 0.0 0.0 0.0 0.0
0.7686 0.0 0.0 0.0 0.0