CLAS Physics Database

Measurement E216M420

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: 1.6 — 1.65 GeV

Measurement data
ψ(p), [deg] dσ/dψ(p), [μb/rad] uncertainty
18.0 0.2943 0.0220266
54.0 0.263755 0.0108931
90.0 0.221851 0.00909689
126.0 0.20856 0.00799794
162.0 0.236459 0.0096745
198.0 0.235707 0.0124142
234.0 0.208519 0.00975215
270.0 0.194713 0.00868077
306.0 0.294036 0.0174408
342.0 0.253867 0.0153194