CLAS Physics Database

Measurement E216M342

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.0 — 3.5 GeV2
W: 1.85 — 1.9 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.51928 0.14066
27.0 1.23031 0.0622863
45.0 1.10947 0.109506
63.0 1.10321 0.0363628
81.0 1.48945 0.0607936
99.0 1.70127 0.0513306
117.0 1.97877 0.0504192
135.0 1.92642 0.0790963
153.0 2.21202 0.0787529
171.0 2.57101 0.102835