CLAS Physics Database

Measurement E159M850

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: 1.925 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 1.01255 0.21943
27.0 1.01987 0.193243
45.0 0.90906 0.199432
63.0 1.24055 0.203729
81.0 1.02441 0.169764
99.0 1.06289 0.171158
117.0 1.25597 0.209318
135.0 1.15121 0.332203
153.0 0.851537 0.64327
171.0 0.941209 0.767442