CLAS Physics Database

Measurement E216M454

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: 1.8 — 1.85 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.403551 0.0304354
54.0 0.357539 0.0123474
90.0 0.349576 0.0109338
126.0 0.368965 0.0102291
162.0 0.380142 0.0108224
198.0 0.385859 0.00987591
234.0 0.359887 0.0100079
270.0 0.35018 0.0139161
306.0 0.338285 0.0130614
342.0 0.339197 0.0128518