CLAS Physics Database

Measurement E213M349

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,p)
Q2: 2.0 — 2.4 GeV2
W: 1.95 — 1.975 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.105792 2.8234 0.2966 0.5189 0.7322
1.161691 6.2792 0.391 1.1039 1.5591
1.21759 9.7211 0.536 1.5151 2.1575
1.273489 7.9126 0.5739 1.3254 1.8733
1.329388 7.4558 0.455 1.2679 1.3471
1.385287 6.7948 0.6384 1.1843 1.3454
1.441186 8.9136 0.8219 1.2607 1.5049
1.497086 10.3445 0.5525 1.2949 1.4079
1.552985 9.6646 0.5283 1.2527 1.7756
1.608884 11.1714 0.6492 1.3446 1.9048
1.664783 12.5307 0.5019 1.4845 2.0976
1.720682 9.258 0.7193 1.2142 1.7208
1.776581 3.9075 0.287 0.701 1.4655
1.83248 0.2456 0.0262 0.104 0.1635