CLAS Physics Database

Measurement E213M330

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: 1.875 — 1.9 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 2.7514 0.1614 0.4788 0.6719
27.0 2.4723 0.1109 0.2986 0.4239
45.0 2.1901 0.1096 0.3171 0.4646
63.0 2.0416 0.1254 0.3623 0.3834
81.0 2.8537 0.1477 0.3557 0.3852
99.0 3.488 0.1483 0.3818 0.4096
117.0 3.6589 0.1282 0.4522 0.47
135.0 3.8498 0.1671 0.4569 0.6463
153.0 4.2154 0.1955 0.4349 0.6298
171.0 4.8843 0.2604 0.5534 0.7876