CLAS Physics Database

Measurement E213M179

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+)
Q2: 2.0 — 2.4 GeV2
W: 1.475 — 1.5 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.291911 6.2222 0.6237 1.8728 2.6492
0.317453 18.5186 1.3 4.7812 4.9548
0.342995 19.5832 1.2406 4.6183 4.7821
0.368537 20.5976 1.5442 4.3587 4.6241
0.394079 21.7155 1.5285 4.1707 4.442
0.419621 24.4009 1.1518 4.2553 4.4085
0.445163 25.5982 1.2479 4.0974 4.2832
0.470705 26.65 1.1577 3.9164 4.0839
0.496247 27.5676 1.5571 3.7493 4.0597
0.521789 24.9763 1.1381 3.233 4.5758
0.547331 7.9803 0.5638 1.196 8.647
0.572873 0.0024 0.0001 0.0015 0.0015
0.598415 0.0 0.0 0.0 0.0
0.623957 0.0 0.0 0.0 0.0