CLAS Physics Database

Measurement E159M787

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: 1.75 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.01099 0.240583
27.0 1.94254 0.363617
45.0 1.35192 0.246676
63.0 1.44528 0.214653
81.0 1.68238 0.261197
99.0 1.42743 0.215873
117.0 1.57803 0.238156
135.0 1.27401 0.375817
153.0 0.863522 0.585228
171.0 1.20481 0.882831