CLAS Physics Database

Measurement E216M556

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: 1.65 — 1.7 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.967374 0.0837961
27.0 0.94006 0.0473313
45.0 0.854209 0.0430793
63.0 0.794565 0.0317597
81.0 0.647284 0.0244301
99.0 0.587334 0.0215371
117.0 0.758453 0.117863
135.0 0.637321 0.0337997
153.0 0.664737 0.056796
171.0 0.585468 0.0784012