CLAS Physics Database

Measurement E213M729

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: 3.0 — 3.5 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 0.093 0.0167 0.057 2.0175
1.116155 1.4107 0.1616 0.4588 2.2097
1.141697 4.2618 0.4149 1.0459 1.4784
1.167239 6.7046 0.498 1.4908 1.5718
1.192781 14.5858 1.0051 2.7773 3.9261
1.218323 16.5328 0.9917 2.9781 4.2213
1.243865 12.5681 0.8226 2.2763 3.2166
1.269407 7.9247 0.5356 1.4913 1.5846
1.294949 5.5796 0.4626 1.0846 1.1791
1.320491 4.1278 0.3844 0.8446 0.928
1.346033 2.3119 0.2699 0.5576 0.7902
1.371575 1.1784 0.1642 0.3455 1.2144
1.397117 0.15 0.0267 0.0842 2.0285
1.422659 0.0112 0.0124 0.0074 0.0145