CLAS Physics Database

Measurement E159M31

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: 1.45 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.766499 0.285069
27.0 1.20235 0.23258
45.0 1.78366 0.282507
63.0 1.913 0.306825
81.0 2.01888 0.295007
99.0 1.96901 0.311806
117.0 1.67949 0.286237
135.0 0.898737 0.989247
153.0 0.711557 0.629771
171.0 0.765374 1.00367