CLAS Physics Database

Measurement E213M240

Experiment: E1-6, 2025
Year: 2001

Experiment comment:

Experiment year: 2001—2002
Spokespersons: R.W. Gothe, A. Trivedi
Reaction: ep → π+πp
Polarization: none
Quantity: dσ/d(−cos(θ(p)))
Q2: 2.0 — 2.4 GeV2
W: 1.625 — 1.65 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 1.5263 0.0807 0.6781 0.9608
27.0 1.5207 0.0912 0.3463 0.4862
45.0 1.6225 0.0886 0.2779 0.4006
63.0 1.959 0.0959 0.2982 0.4201
81.0 2.2838 0.1121 0.4116 0.4266
99.0 2.9177 0.1451 0.4343 0.4579
117.0 3.2941 0.1643 0.4566 0.4852
135.0 3.4748 0.1571 0.465 0.4909
153.0 2.9766 0.148 0.3878 0.5486
171.0 3.6737 0.2303 0.4636 0.5177