CLAS Physics Database

Measurement E159M994

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: 4.2 — 5.0 GeV2
W: 1.725 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.537899 0.15127
27.0 1.1751 0.286623
45.0 0.958347 0.195241
63.0 1.03381 0.17396
81.0 1.10866 0.201321
99.0 0.952121 0.157942
117.0 0.978103 0.181312
135.0 0.75961 0.207818
153.0 0.62312 0.369311
171.0 0.787359 0.573709