CLAS Physics Database

Measurement E216M593

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: 1.85 — 1.9 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.956807 0.0581541
27.0 0.916057 0.0285867
45.0 0.845711 0.0226415
63.0 0.804684 0.0260424
81.0 0.925765 0.0272309
99.0 0.897292 0.0266489
117.0 0.66993 0.0276164
135.0 0.54281 0.0205846
153.0 0.427176 0.0390589
171.0 0.458951 0.0010366