CLAS Physics Database

Measurement E216M463

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: 1.85 — 1.9 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.330677 0.0179519
54.0 0.310345 0.0142781
90.0 0.345353 0.0149248
126.0 0.37661 0.0111256
162.0 0.434529 0.0102785
198.0 0.410391 0.00966374
234.0 0.385446 0.00992723
270.0 0.345565 0.0131064
306.0 0.295961 0.0108414
342.0 0.325196 0.0172891