CLAS Physics Database

Measurement E216M472

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: 1.9 — 1.95 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.314239 0.0109513
54.0 0.331272 0.0137442
90.0 0.35343 0.0117594
126.0 0.369421 0.0108229
162.0 0.427882 0.00985886
198.0 0.448712 0.00957466
234.0 0.375652 0.00960238
270.0 0.321915 0.0117879
306.0 0.316632 0.0126626
342.0 0.319369 0.0125302