CLAS Physics Database

Measurement E159M688

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: 1.475 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.148174 0.0638258
27.0 0.438277 0.0989127
45.0 0.748986 0.126199
63.0 0.693909 0.105021
81.0 0.768856 0.119766
99.0 0.654308 0.0997367
117.0 0.585723 0.0925601
135.0 0.530435 0.217882
153.0 0.554191 0.361303
171.0 0.519814 0.47148