CLAS Physics Database

Measurement E8M75

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: 0.55 — 0.65 GeV2
W: 1.22 — 1.24 GeV
Ebeam: 1.515 GeV
Publication:
under preparation //

Slice: θπ = deg

Measurement data
θπ, [deg] φπ, [deg] dσ/dΩ, [μb/sr] uncertainty
22.5 15.0 6.715 1.096
22.5 45.0 16.14 4.401
22.5 135.0 8.864 0.9543
22.5 165.0 9.133 0.7909
22.5 195.0 9.855 0.8135
22.5 225.0 10.07 1.397
22.5 255.0 7.933 2.522
22.5 315.0 7.993 1.554
22.5 345.0 9.358 2.277
37.5 15.0 10.63 2.615
37.5 45.0 11.27 3.425
37.5 105.0 11.21 1.143
37.5 135.0 9.933 0.8007
37.5 165.0 9.91 0.6536
37.5 195.0 10.73 0.7004
37.5 225.0 10.39 0.8295
37.5 255.0 9.316 0.9759
37.5 315.0 6.659 1.546
37.5 345.0 7.169 1.354
52.5 45.0 11.46 1.512
52.5 75.0 11.48 2.172
52.5 105.0 14.16 1.036
52.5 135.0 9.597 0.6964
52.5 165.0 9.118 0.5547
52.5 195.0 9.819 0.5795
52.5 225.0 11.92 0.8778
52.5 255.0 10.37 0.795
52.5 285.0 10.36 2.906
52.5 315.0 11.13 1.364
67.5 45.0 9.975 1.951
67.5 75.0 10.71 0.7122
67.5 105.0 14.46 0.875
67.5 135.0 13.26 0.916
67.5 165.0 8.42 0.5458
67.5 195.0 8.789 0.5433
67.5 225.0 12.2 0.8382
67.5 255.0 14.5 0.9104
67.5 285.0 14.41 1.096
67.5 315.0 8.296 1.703
82.5 45.0 14.08 6.987
82.5 75.0 11.63 0.5938
82.5 105.0 12.79 0.6697
82.5 135.0 10.38 0.7755
82.5 165.0 7.48 0.5846
82.5 195.0 8.783 0.6745
82.5 225.0 11.53 0.911
82.5 255.0 13.25 0.7378
82.5 285.0 11.33 0.5726
82.5 315.0 7.455 1.16
97.5 15.0 5.698 0.7492
97.5 45.0 8.801 0.6758
97.5 75.0 11.01 0.6811
97.5 105.0 11.43 0.6236
97.5 135.0 9.242 0.7159
97.5 165.0 7.099 0.4699
97.5 195.0 6.952 0.4859
97.5 225.0 11.51 0.8388
97.5 255.0 14.65 0.7593
97.5 285.0 10.44 0.6484
97.5 315.0 8.655 0.664
97.5 345.0 3.901 0.6092
112.5 15.0 7.727 3.478
112.5 45.0 9.189 0.6299
112.5 75.0 12.07 0.9024
112.5 105.0 10.85 0.6667
112.5 135.0 7.102 0.6142
112.5 165.0 4.702 0.4357
112.5 195.0 5.354 0.5094
112.5 225.0 8.096 0.6287
112.5 255.0 10.81 0.5993
112.5 285.0 10.4 0.7956
112.5 315.0 8.266 0.5861
112.5 345.0 5.038 0.8373
127.5 15.0 6.977 0.8558
127.5 45.0 7.358 0.607
127.5 75.0 9.152 0.7735
127.5 105.0 8.807 0.6727
127.5 135.0 5.712 0.5863
127.5 165.0 4.31 0.5731
127.5 195.0 5.163 0.7738
127.5 225.0 6.853 0.673
127.5 255.0 8.647 0.6431
127.5 285.0 9.866 0.796
127.5 315.0 7.886 0.6596
127.5 345.0 5.722 0.8043
142.5 15.0 5.785 0.7584
142.5 45.0 5.029 0.5646
142.5 75.0 6.237 0.7914
142.5 105.0 8.636 1.095
142.5 255.0 7.126 0.9307
142.5 285.0 6.821 0.7623
142.5 315.0 6.894 0.8433
142.5 345.0 5.164 0.6964
157.5 15.0 10.68 3.422
157.5 315.0 6.29 1.962
157.5 345.0 7.382 1.732