CLAS Physics Database

Measurement E216M581

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: 1.8 — 1.85 GeV

Measurement data
ψ(π+), [deg] dσ/dψ(π+), [μb/rad] uncertainty
18.0 0.206151 0.0074352
54.0 0.204577 0.007074
90.0 0.241104 0.00918264
126.0 0.287769 0.0103456
162.0 0.289463 0.0113034
198.0 0.280459 0.014456
234.0 0.282209 0.017404
270.0 0.231436 0.00943777
306.0 0.216977 0.00786464
342.0 0.218521 0.00791443