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Measurement E8M29

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Experiment: E89-038 CLAS experiment, 1999

Spokespersons: V. Burkert, R. Minehart

Experiment comment: Beam energy 1.515 GeV. Global 5.8% scaling systematic uncertainty for all data points

Measurement comment: Global 5.8% scaling systematic uncertainty

Publication:

Quantity measured: dσ/dΩ, mcbn/sterad
Differential cross section.
Beam: e, polarization: none
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 0.35 — 0.45 GeV2
W : 1.18 — 1.2 GeV
Ebeam : 1.515 GeV

Select data slice:
θπ = deg

Fit φ dependence:

 Observable quantity measured (Y axis): dσ/dΩ, mcbn/sterad
Plot measurement data

Parameter (X axis): φπ, deg

Click here to get data in text file, delimited with tabs.

Click here to get calculated fit coefficients in text file, delimited with tabs.

Measured data:

θπ,
deg 		φπ,
deg 		dσ/dΩ,
mcbn/sterad 		Data errors,
mcbn/sterad 		Systematic errors,
mcbn/sterad
7.5 15 5.357 1.198 0.8595
7.5 45 16.18 4.293 1.017
7.5 75 6.744 1.102 0.8509
7.5 105 9.553 1.4 0.9042
7.5 135 9.776 1.307 0.8999
7.5 165 8.704 1.122 0.9233
7.5 195 7.071 1.139 0.8884
7.5 225 6.613 0.9243 0.8726
7.5 255 10.18 1.532 0.8893
7.5 285 7.675 1.237 0.8761
7.5 315 7.764 1.238 0.8828
7.5 345 7.815 1.506 0.8903
22.5 15 7.508 2.931 0.6686
22.5 45 4.197 0.711 0.6487
22.5 75 7.744 0.791 0.7043
22.5 105 9.51 0.77 0.723
22.5 135 9.136 0.6183 0.7228
22.5 165 8.078 0.5658 0.6836
22.5 195 10.09 0.6344 0.7555
22.5 225 10.92 0.7089 0.762
22.5 255 9.998 0.8136 0.7454
22.5 285 7.256 0.7694 0.6918
22.5 315 4.385 1.019 0.649
22.5 345 8.199 3.383 0.656
37.5 15 3.667 0.8272 0.6666
37.5 75 10.4 1.129 0.7663
37.5 105 10.61 0.9142 0.78
37.5 135 11.7 0.6814 0.8338
37.5 165 10.23 0.553 0.7936
37.5 195 10.7 0.5898 0.7704
37.5 225 11.11 0.6584 0.782
37.5 255 9.371 0.8617 0.7617
37.5 285 10.31 1.084 0.7819
37.5 345 3.694 1.122 0.6632
52.5 45 5.189 0.7179 0.8052
52.5 75 12.82 0.699 0.8749
52.5 105 13.23 0.9944 0.87
52.5 135 12.82 0.7871 0.8786
52.5 165 11.36 0.549 0.8448
52.5 195 10.34 0.5119 0.8189
52.5 225 12.28 0.7385 0.8642
52.5 255 12.56 0.8888 0.8547
52.5 285 12.4 0.6675 0.8444
52.5 315 5.929 1.835 0.7719
67.5 45 8.798 0.5996 0.8841
67.5 75 14.23 0.5703 0.9807
67.5 105 17.55 0.8505 1.048
67.5 135 15.03 0.9953 1.032
67.5 165 10.77 0.5713 0.926
67.5 195 10.94 0.5692 0.9314
67.5 225 14.09 0.9861 0.9895
67.5 255 16.72 0.7838 1.038
67.5 285 15.39 0.6221 1.017
67.5 315 9.958 0.8728 0.902
82.5 45 10.33 0.8109 0.9428
82.5 75 16.07 0.6153 1.07
82.5 105 18.5 0.7296 1.126
82.5 135 15.2 0.9311 1.055
82.5 165 10.23 0.4434 0.9398
82.5 195 10.27 0.4465 0.9448
82.5 225 14.19 0.8537 1.002
82.5 255 18.59 0.7057 1.126
82.5 285 16.36 0.5986 1.063
82.5 315 10.63 0.8691 0.9588
97.5 15 7.556 1.194 0.8309
97.5 45 12.34 0.7691 0.9351
97.5 75 16.17 0.7784 1.025
97.5 105 18.78 0.6743 1.082
97.5 135 14.08 0.7621 0.9857
97.5 165 8.635 0.5033 0.8694
97.5 195 9.245 0.5229 0.8798
97.5 225 13.42 0.7798 0.946
97.5 255 18.05 0.6402 1.084
97.5 285 15 0.6628 0.998
97.5 315 11.52 0.7193 0.9071
97.5 345 6.652 1.013 0.8272
112.5 15 7.633 0.785 0.8262
112.5 45 11.44 0.5779 0.8677
112.5 75 16.94 1.004 0.9825
112.5 105 16.25 0.6175 0.9831
112.5 135 12.35 0.7771 0.9449
112.5 165 8.107 0.6258 0.8176
112.5 195 9.018 0.6901 0.8514
112.5 225 11.35 0.721 0.8858
112.5 255 16.72 0.6162 1.004
112.5 285 15.57 0.9131 0.9848
112.5 315 12.26 0.6406 0.9023
112.5 345 6.799 0.7798 0.8008
127.5 15 7.927 0.7565 0.7927
127.5 45 10.9 0.5804 0.8526
127.5 75 13.36 0.8265 0.9178
127.5 105 14.81 0.7851 0.9657
127.5 135 12.59 0.9342 0.9096
127.5 225 11.53 0.8156 0.8679
127.5 255 13.9 0.7055 0.9143
127.5 285 12.38 0.8068 0.9086
127.5 315 12.03 0.7085 0.868
127.5 345 7.789 0.7518 0.7969
142.5 15 9.026 1.055 1.02
142.5 45 10.92 1.014 1.064
142.5 75 13.07 0.9501 1.087
142.5 255 10.57 1.917 1.069
142.5 285 15.93 1.194 1.158
142.5 315 13.37 1.093 1.058
142.5 345 7.115 0.8859 1.007
157.5 15 8.625 1.282 1.252
157.5 45 10.62 3.408 0.6666
157.5 315 12.64 3.045 1.361
157.5 345 14.09 5.174 1.355