CLAS Physics Database

Measurement E213M366

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: 1.975 — 2.0 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 2.3957 0.1512 0.4875 0.685
27.0 2.1926 0.0982 0.3238 0.461
45.0 2.0106 0.1125 0.4532 0.467
63.0 2.007 0.1133 0.4649 0.4785
81.0 2.4359 0.1181 0.3742 0.3924
99.0 2.9181 0.1336 0.4651 0.4839
117.0 3.2425 0.1267 0.485 0.5013
135.0 3.6135 0.1413 0.521 0.5398
153.0 4.6632 0.2162 0.6217 0.8824
171.0 5.9559 0.3173 0.8468 1.1979