CLAS Physics Database

Measurement E216M565

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: 1.7 — 1.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.965131 0.113489
27.0 0.909824 0.0760851
45.0 0.94466 0.0413796
63.0 1.07622 0.0954895
81.0 0.985458 0.035532
99.0 1.14006 0.125799
117.0 0.897314 0.0609315
135.0 0.862431 0.0464905
153.0 0.815439 0.0393838
171.0 1.04898 0.105704