CLAS Physics Database

Measurement E213M608

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(π+)))
Q2: 2.4 — 3.0 GeV2
W: 1.925 — 1.95 GeV
Ebeam: 5.754 GeV

Measurement data
θ(π+), [deg] dσ/d(−cos(θ(π+))), [μb/rad] uncertainty syst. uncert. total uncert.
9.0 3.2357 0.1681 0.4062 0.5758
27.0 2.9469 0.1381 0.3762 0.5406
45.0 2.5971 0.2017 0.3749 0.528
63.0 2.2624 0.1146 0.3203 0.3402
81.0 2.1937 0.1034 0.3148 0.3313
99.0 2.2883 0.0678 0.3164 0.3236
117.0 2.2058 0.0933 0.3097 0.5006
135.0 1.9627 0.0955 0.3268 0.4683
153.0 1.4992 0.1333 0.5662 0.7987
171.0 2.0831 0.0047 1.2449 1.7604