CLAS Physics Database

Measurement E159M814

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: 3.5 — 4.2 GeV2
W: 1.825 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.999479 0.231844
27.0 1.17146 0.215981
45.0 1.17752 0.218811
63.0 1.26647 0.21186
81.0 1.2456 0.195088
99.0 1.17695 0.17612
117.0 1.09782 0.168102
135.0 1.03698 0.342894
153.0 0.91304 0.685392
171.0 1.02111 0.797345