CLAS Physics Database

Measurement E213M315

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: 1.85 — 1.875 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.105792 4.7246 0.2869 1.0228 1.4494
1.161691 15.3848 0.6556 2.5143 3.5567
1.21759 22.5692 1.0759 3.0636 4.3342
1.273489 14.6574 0.7707 1.9554 2.7975
1.329388 10.9922 0.6 1.4077 1.5302
1.385287 10.0661 0.8309 1.2135 1.4707
1.441186 10.6798 0.5821 1.2138 1.3461
1.497086 9.6138 0.5146 1.049 1.4804
1.552985 9.0395 0.4469 0.9696 1.0676
1.608884 6.096 0.9622 0.6605 1.1671
1.664783 4.0716 0.2672 0.4526 0.6434
1.720682 0.5736 0.0829 0.1195 0.4975
1.776581 0.0 0.0006 0.0 0.0
1.83248 0.0 0.0005 0.0 0.0