CLAS Physics Database

Measurement E216M260

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: 1.4 — 1.45 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.853474 0.175071
27.0 0.645785 0.0544221
45.0 0.631685 0.0388739
63.0 0.576783 0.0346854
81.0 0.526167 0.028805
99.0 0.492953 0.0255434
117.0 0.581941 0.0330657
135.0 0.42076 0.0288203
153.0 0.586497 0.0047916
171.0 0.74932 0.00124916