CLAS Physics Database

Measurement E216M350

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: 1.9 — 1.95 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.94478 0.0902433
27.0 1.87178 0.0454558
45.0 1.6891 0.0326449
63.0 1.6785 0.0380945
81.0 1.86562 0.0533676
99.0 1.72212 0.0508649
117.0 1.65556 0.0404389
135.0 1.42355 0.0778463
153.0 1.24416 0.0639447
171.0 0.99626 0.00975524