CLAS Physics Database

Measurement E216M261

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.0 — 3.5 GeV2
W: 1.4 — 1.45 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.505376 0.0632007
27.0 0.506376 0.0416399
45.0 0.487647 0.0389234
63.0 0.480143 0.0666734
81.0 0.502218 0.06655
99.0 0.49646 0.0294169
117.0 0.664379 0.0712876
135.0 0.58339 0.0337834
153.0 0.697416 0.0566468
171.0 0.992686 0.167985