CLAS Physics Database

Measurement E159M815

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(p)))
Q2: 3.5 — 4.2 GeV2
W: 1.825 GeV
Ebeam: 5.75 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty
9.0 1.06314 0.330677
27.0 1.41195 0.347773
45.0 0.854075 0.240456
63.0 0.839201 0.212808
81.0 1.22522 0.275848
99.0 1.36409 0.255293
117.0 1.38861 0.250679
135.0 1.32056 0.297464
153.0 1.24291 0.260235
171.0 0.938287 0.342712