CLAS Physics Database

Measurement E213M279

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: 1.75 — 1.775 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+,p), [GeV] dσ/dM(π+,p), [μb/GeV] uncertainty syst. uncert. total uncert.
1.100435 3.5477 0.2429 0.9218 2.7048
1.145619 14.1708 0.7492 2.3603 3.6234
1.190804 27.3965 1.1577 3.6126 3.7935
1.235989 25.9175 1.3014 3.1412 3.4001
1.281174 16.4666 0.7367 1.9986 2.1301
1.326359 11.0783 0.8579 1.3341 1.5861
1.371544 12.5152 0.6135 1.3632 1.4949
1.416728 12.3946 0.5776 1.2836 1.4075
1.461913 10.9296 0.5399 1.1025 1.2276
1.507098 8.4531 0.5452 0.8664 1.0237
1.552283 6.3158 0.4238 0.6561 1.5677
1.597468 1.9224 0.2066 0.2808 2.2244
1.642653 0.0274 0.0055 0.014 0.015
1.687837 0.0 0.0 0.0 0.0