CLAS Physics Database

Measurement E216M220

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π)
Q2: 2.4 — 3.0 GeV2
W: 1.9 — 1.95 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.578722 0.0181137
54.0 0.649711 0.0292398
90.0 0.637708 0.014364
126.0 0.680854 0.0144291
162.0 0.789534 0.0149498
198.0 0.779418 0.0127885
234.0 0.71074 0.0145134
270.0 0.632847 0.0162268
306.0 0.596929 0.0148604
342.0 0.670145 0.0446255