CLAS Physics Database

Measurement E213M528

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: 2.4 — 3.0 GeV2
W: 1.7 — 1.725 GeV
Ebeam: 5.754 GeV

Measurement data
θ(p), [deg] dσ/d(−cos(θ(p))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 2.4873 0.1976 0.5821 0.8343
27.0 2.5054 0.1197 0.4124 0.4294
45.0 2.3565 0.0911 0.3638 0.375
63.0 2.7639 0.108 0.4247 0.4382
81.0 3.2821 0.1525 0.4904 0.5135
99.0 3.6899 0.1331 0.5483 0.5642
117.0 3.8126 0.1659 0.5459 0.5705
135.0 3.4575 0.1423 0.4995 0.7084
153.0 3.0821 0.1285 0.4406 0.6287
171.0 3.3315 0.1892 0.5204 0.7861