CLAS Physics Database

Measurement E159M1039

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: 1.85 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.574195 0.198367
27.0 0.645724 0.173388
45.0 0.586254 0.165748
63.0 0.640844 0.105275
81.0 0.939121 0.187115
99.0 0.725757 0.130184
117.0 0.753437 0.162275
135.0 0.632283 0.185125
153.0 0.656329 0.48512
171.0 0.618509 0.507305