CLAS Physics Database

Measurement E213M180

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: 1.475 — 1.5 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.090613 2.777 0.187 1.4048 3.4189
1.116155 8.342 0.5565 2.8222 2.8766
1.141697 16.3406 1.0164 3.7564 3.8915
1.167239 29.812 1.4338 5.1505 5.3463
1.192781 41.3131 1.8892 6.2161 6.4969
1.218323 45.4371 1.8913 6.4191 6.6919
1.243865 33.8106 1.4914 4.714 4.9443
1.269407 22.6851 1.2227 3.2868 3.5068
1.294949 12.645 1.0905 1.9912 2.8155
1.320491 7.478 0.702 1.3445 5.8584
1.346033 1.509 0.1795 0.4721 0.6729
1.371575 0.0006 0.0051 0.0004 0.0051
1.397117 0.0 0.0023 0.0 0.0
1.422659 0.0 0.0034 0.0 0.0