CLAS Physics Database

Measurement E213M224

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: 1.6 — 1.625 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.297268 3.7692 0.3055 1.0208 1.4328
0.333525 12.4435 0.9895 2.8045 4.0267
0.369781 15.2143 1.0827 3.0054 3.1945
0.406037 12.5308 1.7696 2.671 3.2041
0.442294 14.5322 0.9815 3.0331 3.188
0.47855 15.8389 0.892 3.0965 3.2224
0.514806 16.2207 1.1205 2.5755 2.8087
0.551062 16.6131 0.7925 2.0894 2.2347
0.587319 15.3158 0.7442 1.8243 2.5799
0.623575 15.3991 0.7185 1.7364 2.4713
0.659831 9.3353 0.5905 1.0526 3.7417
0.696087 0.0387 0.0036 0.0225 0.0228
0.732344 0.0 0.0 0.0 0.0
0.7686 0.0 0.0 0.0 0.0