CLAS Physics Database

Measurement E216M427

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: 1.65 — 1.7 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.302817 0.0261309
54.0 0.35096 0.0203123
90.0 0.332557 0.0153353
126.0 0.346302 0.0109955
162.0 0.354471 0.011035
198.0 0.359448 0.0101306
234.0 0.361007 0.0102444
270.0 0.352983 0.0198821
306.0 0.329736 0.0191093
342.0 0.351589 0.0326758