CLAS Physics Database

Measurement E159M851

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(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.925 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 0.819323 0.250528
27.0 1.22789 0.283767
45.0 0.890801 0.243132
63.0 0.564343 0.131492
81.0 1.00831 0.230131
99.0 1.24872 0.261937
117.0 1.25253 0.232473
135.0 1.33295 0.304963
153.0 1.37255 0.348286
171.0 1.47424 0.391636