CLAS Physics Database

Measurement E216M332

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: 1.8 — 1.85 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.51513 0.08454
27.0 1.57191 0.0461816
45.0 1.702 0.0345234
63.0 1.76231 0.0374811
81.0 1.77284 0.0864659
99.0 1.92894 0.0476113
117.0 1.73913 0.0463772
135.0 1.43855 0.0517014
153.0 0.986249 0.0506545
171.0 1.19283 0.00981084