CLAS Physics Database

Measurement E216M315

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: 1.7 — 1.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.82513 0.159476
27.0 1.70288 0.142256
45.0 1.63376 0.165164
63.0 1.63444 0.068223
81.0 1.99391 0.0754147
99.0 2.22557 0.0877714
117.0 2.093 0.0690666
135.0 1.9375 0.0613675
153.0 1.83249 0.0769519
171.0 1.80078 0.103642