CLAS Physics Database

Measurement E216M481

Experiment: CLAS12 Run Group A
Year: 2018
Spokesperson: Krishna Chandra
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/dψ(π)
Q2: 3.5 — 4.2 GeV2
W: 1.95 — 2.0 GeV

Measurement data
ψ(π), [deg] dσ/dψ(π), [μb/rad] uncertainty
18.0 0.29578 0.0115409
54.0 0.287476 0.0118436
90.0 0.326542 0.0101683
126.0 0.361659 0.0160913
162.0 0.427439 0.0107023
198.0 0.428799 0.010871
234.0 0.372807 0.0100464
270.0 0.340322 0.0125258
306.0 0.31752 0.0135596
342.0 0.28485 0.0114988