CLAS Physics Database

Measurement E213M450

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: 1.5 — 1.525 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.090613 0.0189 0.0085 0.0119 0.6087
1.116155 1.5076 0.1388 0.4775 1.2349
1.141697 6.5723 0.7277 1.4627 1.6337
1.167239 16.5926 0.8093 2.8935 3.0046
1.192781 27.6601 1.1107 4.2663 4.4086
1.218323 33.4202 1.2914 4.8556 5.0244
1.243865 26.0462 1.1547 3.7894 3.9614
1.269407 15.7348 0.815 2.4076 2.5418
1.294949 7.5717 0.4952 1.2997 1.3908
1.320491 3.0505 0.2679 0.6542 4.8126
1.346033 0.4336 0.052 0.1927 6.055
1.371575 0.0168 0.0092 0.0105 0.4093
1.397117 0.0 0.0046 0.0 0.0
1.422659 0.0 0.0019 0.0 0.0