CLAS Physics Database

Measurement E159M220

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: 2.0 — 2.4 GeV2
W: 1.975 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 5.26173 0.943536
27.0 4.43641 0.75781
45.0 3.63607 0.611335
63.0 3.49156 0.530856
81.0 3.29519 0.506359
99.0 3.56779 0.558602
117.0 3.256 0.506509
135.0 3.95532 0.989247
153.0 2.06008 1.28717
171.0 1.88195 1.319