CLAS Physics Database

Measurement E216M580

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π)
Q2: 4.2 — 5.0 GeV2
W: 1.8 — 1.85 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.194288 0.013825
54.0 0.218175 0.0119127
90.0 0.245925 0.00976338
126.0 0.230395 0.00844066
162.0 0.252508 0.00899999
198.0 0.251783 0.00864632
234.0 0.252394 0.00872207
270.0 0.241918 0.00915374
306.0 0.227248 0.0193828
342.0 0.211551 0.0120118