CLAS Physics Database

Measurement E216M445

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 0.36719 0.0223111
54.0 0.354655 0.012076
90.0 0.362481 0.0104554
126.0 0.36862 0.00951296
162.0 0.35924 0.0100553
198.0 0.405232 0.010268
234.0 0.370265 0.00923325
270.0 0.363667 0.00958327
306.0 0.351859 0.0162177
342.0 0.393922 0.027825