CLAS Physics Database

Measurement E216M477

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.9 — 1.95 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.18425 0.0714398
27.0 0.978686 0.0468465
45.0 0.827769 0.0238517
63.0 0.876339 0.0276055
81.0 1.00617 0.039356
99.0 1.22046 0.042095
117.0 1.28878 0.0336501
135.0 1.33042 0.0311885
153.0 1.5991 0.046529
171.0 1.83686 0.253931