CLAS Physics Database

Measurement E159M985

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: 1.7 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.498135 0.177385
27.0 0.885315 0.205875
45.0 1.02037 0.210442
63.0 1.18289 0.217358
81.0 1.12327 0.203428
99.0 1.00339 0.164776
117.0 1.10724 0.201174
135.0 1.03904 0.210281
153.0 0.908203 0.714141
171.0 0.820167 0.581113