CLAS Physics Database

Measurement E216M216

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 2.4 — 3.0 GeV2
W: 1.85 — 1.9 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 2.22489 0.166555
27.0 1.80041 0.0825547
45.0 1.49832 0.0424993
63.0 1.63375 0.120855
81.0 1.8656 0.0529088
99.0 2.4925 0.132358
117.0 2.49214 0.0444785
135.0 2.58128 0.0519351
153.0 2.98606 0.0797647
171.0 3.36117 0.116224