CLAS Physics Database

Measurement E216M287

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 3.0 — 3.5 GeV2
W: 1.55 — 1.6 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.03587 0.0797336
27.0 1.02647 0.0459516
45.0 0.909746 0.0305975
63.0 0.861221 0.0281281
81.0 0.866299 0.0307958
99.0 0.942439 0.0360254
117.0 0.915514 0.0432368
135.0 0.849856 0.0451493
153.0 0.734515 0.0419695
171.0 1.05144 0.00801357