CLAS Physics Database

Measurement E213M441

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: 2.4 — 3.0 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 0.0216 0.0105 0.0132 0.8106
1.116155 1.3977 0.1881 0.4256 2.2291
1.141697 8.7222 0.5334 1.6131 2.2256
1.167239 19.6937 0.9681 3.0561 3.2058
1.192781 28.9899 1.2965 3.9384 4.1463
1.218323 26.7598 1.1547 3.5129 3.6978
1.243865 19.6985 0.864 2.6224 2.761
1.269407 10.9786 0.6031 1.5644 1.6767
1.294949 3.7227 0.4514 0.6921 6.4884
1.320491 0.6526 0.0749 0.2082 6.0785
1.346033 0.0191 0.0116 0.0117 0.6117
1.371575 0.0 0.0055 0.0 0.0
1.397117 0.0 0.0022 0.0 0.0
1.422659 0.0 0.0015 0.0 0.0