CLAS Physics Database

Measurement E216M400

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: 1.5 — 1.55 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.180065 0.0138962
54.0 0.185872 0.0219287
90.0 0.208969 0.00977433
126.0 0.202313 0.00979671
162.0 0.231182 0.00988202
198.0 0.214342 0.0101931
234.0 0.213645 0.011437
270.0 0.211213 0.0144264
306.0 0.204043 0.0137677
342.0 0.192821 0.0116737