CLAS Physics Database

Measurement E213M753

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: 3.0 — 3.5 GeV2
W: 1.6 — 1.625 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 0.4933 0.0789 0.167 0.2448
27.0 0.5531 0.0611 0.1111 0.1571
45.0 0.6687 0.055 0.1117 0.1245
63.0 0.8489 0.0654 0.1202 0.1369
81.0 1.0841 0.0669 0.1441 0.1588
99.0 1.3595 0.0981 0.1724 0.1984
117.0 1.324 0.0915 0.1681 0.1914
135.0 1.647 0.1096 0.2041 0.2316
153.0 1.3939 0.1263 0.1715 0.213
171.0 1.492 0.169 0.2091 0.2689