CLAS Physics Database

Measurement E216M612

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 4.2 — 5.0 GeV2
W: 1.95 — 2.0 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.645435 0.0626319
27.0 0.677434 0.0560738
45.0 0.458578 0.0175662
63.0 0.477841 0.0147791
81.0 0.563677 0.0274972
99.0 0.762475 0.0263835
117.0 0.832365 0.0269539
135.0 0.878265 0.028419
153.0 1.3212 0.0405249
171.0 1.5604 0.0696657