CLAS Physics Database

Measurement E216M499

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: 2.05 — 2.1 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.242591 0.00988906
54.0 0.2684 0.0146063
90.0 0.293384 0.0105935
126.0 0.366642 0.0103194
162.0 0.438552 0.00971303
198.0 0.447547 0.0105801
234.0 0.346643 0.0100683
270.0 0.333424 0.0171265
306.0 0.267805 0.0117796
342.0 0.252653 0.0186987