CLAS Physics Database

Measurement E213M161

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: 1.425 — 1.45 GeV
Ebeam: 5.754 GeV

Measurement data
M(π+), [GeV] dσ/dM(π+), [μb/GeV] uncertainty syst. uncert. total uncert.
0.291911 6.4248 0.4773 2.214 3.1762
0.317453 15.4291 0.8928 4.5989 6.4995
0.342995 14.7408 0.9981 4.323 4.4368
0.368537 16.2614 0.7935 4.1955 4.2699
0.394079 18.6049 0.9843 4.246 4.3586
0.419621 17.6201 0.8819 3.8196 5.446
0.445163 17.4551 0.8951 3.4149 3.5302
0.470705 16.1071 0.7843 2.8616 4.063
0.496247 5.8146 0.6028 1.3705 1.9611
0.521789 0.0015 0.0021 0.0009 0.0023
0.547331 0.0 0.0 0.0 0.0
0.572873 0.0 0.0 0.0 0.0
0.598415 0.0 0.0 0.0 0.0
0.623957 0.0 0.0 0.0 0.0