CLAS Physics Database

Measurement E216M446

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: 1.75 — 1.8 GeV

Measurement data
ψ(π+), [deg] dσ/dψ(π+), [μb/rad] uncertainty
18.0 0.370078 0.0135393
54.0 0.340031 0.0100417
90.0 0.367413 0.0105052
126.0 0.409273 0.0120099
162.0 0.487029 0.016372
198.0 0.438535 0.0119084
234.0 0.410389 0.0159176
270.0 0.351942 0.0112435
306.0 0.345794 0.0191562
342.0 0.344048 0.014246