CLAS Physics Database

Measurement E216M889

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π)))
Q2: 7.0 — 8.0 GeV2
W: 1.4 — 1.45 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 0.125632 0.0733232
27.0 0.105585 0.0342665
45.0 0.0761861 0.0248771
63.0 0.0447143 0.0127887
81.0 0.0388719 0.010795
99.0 0.0700595 0.0158975
117.0 0.0831168 0.0329672
135.0 0.0665151 0.0175874
153.0 0.0621946 0.0176101
171.0 0.0871543 0.0376028