CLAS Physics Database

Measurement E216M548

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: 1.6 — 1.65 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.571885 0.0526458
27.0 0.579525 0.0287025
45.0 0.539211 0.0226629
63.0 0.510042 0.0200653
81.0 0.553156 0.0209057
99.0 0.565908 0.0289769
117.0 0.502726 0.0231747
135.0 0.554638 0.0736697
153.0 0.359875 0.0201911
171.0 0.506349 0.00120374