CLAS Physics Database

Measurement E216M314

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: 1.7 — 1.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.97204 0.0862792
27.0 1.79001 0.0530772
45.0 1.93667 0.040327
63.0 1.90166 0.039264
81.0 2.01662 0.0703503
99.0 1.97545 0.047356
117.0 1.94204 0.0506824
135.0 1.95336 0.12315
153.0 1.19152 0.0814271
171.0 1.69117 0.0142596