CLAS Physics Database

Measurement E159M679

Experiment: E1-6
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokesperson: V. Burkert
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(π+)))
Q2: 3.5 — 4.2 GeV2
W: 1.45 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.262483 0.11099
27.0 0.440382 0.0819045
45.0 0.552336 0.09283
63.0 0.591718 0.101184
81.0 0.430904 0.0631798
99.0 0.419549 0.06279
117.0 0.423636 0.066073
135.0 0.513625 0.188567
153.0 0.450856 0.304918
171.0 0.412439 0.402638