CLAS Physics Database

Measurement E159M778

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: 1.725 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.990862 0.212535
27.0 1.76218 0.289424
45.0 1.69393 0.281329
63.0 1.83796 0.276007
81.0 1.60884 0.217388
99.0 1.48446 0.201825
117.0 1.92008 0.268766
135.0 1.43852 0.406358
153.0 1.00138 0.648456
171.0 1.35176 0.955459