CLAS Physics Database

Measurement E216M490

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π)
Q2: 3.5 — 4.2 GeV2
W: 2.0 — 2.05 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.255855 0.0116384
54.0 0.286376 0.0105245
90.0 0.298951 0.0124382
126.0 0.373183 0.0105123
162.0 0.443089 0.00988179
198.0 0.428655 0.0116713
234.0 0.370269 0.0111297
270.0 0.303152 0.0137235
306.0 0.281867 0.012736
342.0 0.265368 0.0101491