CLAS Physics Database

Measurement E213M205

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: 1.55 — 1.575 GeV
Ebeam: 5.754 GeV

Measurement data
M(π,p), [GeV] dσ/dM(π,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.090613 2.7977 0.3115 0.7545 2.4315
1.116155 6.9057 0.7016 1.6106 2.2785
1.141697 11.043 0.8576 2.4097 3.4551
1.167239 12.5058 0.771 2.8325 2.9356
1.192781 18.4493 0.9037 3.7481 3.8555
1.218323 25.2988 1.205 4.6876 4.84
1.243865 26.6741 1.2855 4.8328 5.0008
1.269407 25.6108 1.4379 4.6908 4.9062
1.294949 23.3423 1.1163 4.5945 4.7281
1.320491 21.0692 1.3487 4.0831 4.3001
1.346033 12.5503 0.8769 3.0844 4.3638
1.371575 7.6754 0.7535 2.1935 3.1021
1.397117 3.9674 0.417 1.4221 2.0146
1.422659 0.7844 0.1117 0.3462 0.3637