CLAS Physics Database

Measurement E216M340

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 3.0 — 3.5 GeV2
W: 1.85 — 1.9 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 2.19203 0.310605
27.0 1.8415 0.0854124
45.0 1.94596 0.0728991
63.0 1.83374 0.044735
81.0 1.7885 0.0600824
99.0 1.56397 0.16821
117.0 1.35308 0.122555
135.0 1.15782 0.0303157
153.0 1.3091 0.0726723
171.0 1.93424 0.151522