CLAS Physics Database

Measurement E216M553

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π)
Q2: 4.2 — 5.0 GeV2
W: 1.65 — 1.7 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.178662 0.0172144
54.0 0.200087 0.0131856
90.0 0.228925 0.0116317
126.0 0.249979 0.00989814
162.0 0.256954 0.0116245
198.0 0.249479 0.00909032
234.0 0.241011 0.00997933
270.0 0.225284 0.0100788
306.0 0.259895 0.0486837
342.0 0.199543 0.0202156