CLAS Physics Database

Measurement E216M402

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(p)
Q2: 3.5 — 4.2 GeV2
W: 1.5 — 1.55 GeV

Measurement data
ψ(p), [deg] dσ/dψ(p), [μb/rad] uncertainty
18.0 0.254739 0.0121072
54.0 0.258359 0.0330275
90.0 0.174717 0.0120206
126.0 0.202823 0.0110414
162.0 0.217334 0.0100333
198.0 0.201355 0.0106802
234.0 0.20395 0.0115059
270.0 0.199168 0.0121046
306.0 0.225648 0.0214652
342.0 0.217573 0.010222