CLAS Physics Database

Measurement E159M670

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: 1.425 GeV
Ebeam: 5.75 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty
9.0 0.0618869 0.0480492
27.0 0.208804 0.0545647
45.0 0.34706 0.0947869
63.0 0.454325 0.0794449
81.0 0.438923 0.0796816
99.0 0.408474 0.06838
117.0 0.352204 0.0661928
135.0 0.374016 0.170449
153.0 0.352302 0.261917
171.0 0.313227 0.356915