CLAS Physics Database

Measurement E159M750

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: 1.65 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π), [deg] dσ/d(−cos(θ(π))), [μb/rad] uncertainty
9.0 1.14014 0.268089
27.0 1.42963 0.262761
45.0 1.39015 0.245413
63.0 1.26267 0.19423
81.0 1.0837 0.17852
99.0 0.972624 0.158331
117.0 0.826892 0.145145
135.0 0.759845 0.129156
153.0 0.885514 0.152538
171.0 0.541621 0.15053