CLAS Physics Database

Measurement E8M47

Experiment: E89-038 CLAS experiment
Year: 1999

Measurement comment:

Global 5.8% scaling systematic uncertainty

Experiment comment:

Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points
Spokespersons: V. Burkert, R. Minehart
Reaction: ep → π+n
Polarization: none
Quantity: dσ/dΩ
Q2: 0.35 — 0.45 GeV2
W: 1.54 — 1.56 GeV
Ebeam: 1.515 GeV
Publication:
under preparation //

Slice: θπ = deg

Measurement data
θπ, [deg] φπ, [deg] dσ/dΩ, [μb/sr] uncertainty
22.5 195.0 3.462 0.6397
37.5 75.0 5.125 1.261
37.5 285.0 3.899 0.9433
52.5 75.0 2.787 0.7493
52.5 285.0 4.084 1.679
67.5 45.0 1.255 0.3976
67.5 165.0 1.368 0.5225
67.5 195.0 1.003 0.2446
67.5 225.0 1.465 0.5321
67.5 315.0 1.14 0.2714
82.5 105.0 2.263 0.8934
82.5 135.0 0.6866 0.1598
82.5 165.0 1.068 0.3181
82.5 195.0 0.7825 0.1469
82.5 255.0 1.746 0.7145
97.5 45.0 1.455 0.4895
97.5 75.0 2.302 0.5946
97.5 105.0 2.186 0.6516
97.5 135.0 1.022 0.1301
97.5 255.0 2.004 0.4411
97.5 285.0 1.534 0.3573
97.5 315.0 1.976 0.8871
112.5 105.0 2.635 1.065
112.5 255.0 1.457 0.1879
112.5 285.0 1.628 0.5784
127.5 105.0 1.491 0.5345
142.5 75.0 1.134 0.4237