CLAS Physics Database

Measurement E216M358

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: 1.95 — 2.0 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 2.66358 0.136538
27.0 2.19029 0.0832127
45.0 1.95459 0.052659
63.0 1.64995 0.0424437
81.0 1.61905 0.0885563
99.0 1.43411 0.0619125
117.0 1.18192 0.0332993
135.0 1.13326 0.0311347
153.0 1.46961 0.110522
171.0 1.80465 0.099795