CLAS Physics Database

Measurement E216M601

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 4.2 — 5.0 GeV2
W: 1.9 — 1.95 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.85766 0.0844853
27.0 0.989528 0.0555446
45.0 0.916476 0.0319469
63.0 0.903397 0.0327433
81.0 0.8215 0.0442239
99.0 0.704528 0.0266521
117.0 0.627378 0.022274
135.0 0.564554 0.0271286
153.0 0.582588 0.041455
171.0 0.783199 0.0715414