CLAS Physics Database

Measurement E216M311

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π+)
Q2: 3.0 — 3.5 GeV2
W: 1.7 — 1.75 GeV

Measurement data
ψ(π+), [deg] dσ/dψ(π+), [μb/rad] uncertainty
18.0 0.533718 0.0132298
54.0 0.526834 0.0305402
90.0 0.55223 0.0317298
126.0 0.658825 0.0195141
162.0 0.710153 0.0222894
198.0 0.699185 0.0202098
234.0 0.616571 0.0162733
270.0 0.559954 0.0146894
306.0 0.535945 0.0223417
342.0 0.557122 0.0256622