CLAS Physics Database

Measurement E216M589

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: 1.85 — 1.9 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.196764 0.0120701
54.0 0.190296 0.0137835
90.0 0.213936 0.0114487
126.0 0.249311 0.00943975
162.0 0.294174 0.00888139
198.0 0.303468 0.00848577
234.0 0.269272 0.00784451
270.0 0.245843 0.00981175
306.0 0.205989 0.0119315
342.0 0.162192 0.00953942