CLAS Physics Database

Measurement E216M572

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: 1.75 — 1.8 GeV

Measurement data
ψ(π+), [deg] dσ/dψ(π+), [μb/rad] uncertainty
18.0 0.22319 0.00828281
54.0 0.21931 0.00749871
90.0 0.235978 0.00982318
126.0 0.280232 0.0126416
162.0 0.305766 0.0103972
198.0 0.287208 0.0109645
234.0 0.293335 0.00986554
270.0 0.241831 0.00863671
306.0 0.21083 0.00982982
342.0 0.16972 0.0466116