CLAS Physics Database

Measurement E216M486

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: 1.95 — 2.0 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.16003 0.0679883
27.0 0.923556 0.0483968
45.0 0.780571 0.0231885
63.0 0.756435 0.0286467
81.0 0.863709 0.0237218
99.0 1.07127 0.02885
117.0 1.21554 0.0344012
135.0 1.3473 0.0325799
153.0 1.73118 0.0470335
171.0 2.15934 0.0858388