CLAS Physics Database

Measurement E213M171

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: 1.45 — 1.475 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.090613 2.7333 0.1345 1.466 1.4722
1.116155 8.215 0.5007 2.8718 2.9151
1.141697 16.5733 0.9564 3.8019 3.9204
1.167239 23.5045 1.0578 4.3179 4.4455
1.192781 33.4968 1.4682 5.2315 5.4337
1.218323 38.1022 1.6132 5.4354 5.6697
1.243865 24.9941 1.3016 3.7141 3.9355
1.269407 14.3737 1.4398 2.4045 2.8026
1.294949 8.7235 0.6568 1.636 1.7629
1.320491 1.1341 0.1165 0.4319 0.4473
1.346033 0.0015 0.005 0.0009 0.0051
1.371575 0.0 0.0025 0.0 0.0
1.397117 0.0 0.0001 0.0 0.0
1.422659 0.0 0.0025 0.0 0.0