CLAS Physics Database

Measurement E216M418

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: 1.6 — 1.65 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.24386 0.0218789
54.0 0.234855 0.0173682
90.0 0.24816 0.0143018
126.0 0.246675 0.00981166
162.0 0.255098 0.0124979
198.0 0.271309 0.0108246
234.0 0.257494 0.00903579
270.0 0.232649 0.00881271
306.0 0.221474 0.0127443
342.0 0.21012 0.0119543