CLAS Physics Database

Measurement E213M963

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: 3.5 — 4.2 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 0.1167 0.0175 0.0725 0.9203
1.116155 1.783 0.2192 0.5213 1.0568
1.141697 5.4774 0.5113 1.2543 1.7717
1.167239 8.8334 0.7478 1.7084 1.8649
1.192781 10.5082 0.7069 1.9214 2.0473
1.218323 12.818 0.9761 2.2318 2.4359
1.243865 10.4139 0.803 1.8292 1.9977
1.269407 4.839 0.4892 0.9282 1.3134
1.294949 2.4055 0.2715 0.5432 0.767
1.320491 0.6214 0.1179 0.215 2.1288
1.346033 0.0403 0.013 0.0242 0.2144
1.371575 0.0 0.0089 0.0 0.0089
1.397117 0.0 0.003 0.0 0.0
1.422659 0.0 0.0051 0.0 0.0