CLAS Physics Database

Measurement E159M489

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: 3.0 — 3.5 GeV2
W: 1.525 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.17371 0.272528
27.0 1.85565 0.302293
45.0 1.54808 0.264965
63.0 1.23562 0.207026
81.0 0.923823 0.176602
99.0 0.801979 0.124413
117.0 0.883848 0.215307
135.0 0.803709 0.124756
153.0 0.838763 0.144621
171.0 0.784105 0.188595