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Measurement E8M34

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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 : 1.28 — 1.3 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 16.69 1.818 1.306
7.5 45 17.14 2.076 1.299
7.5 75 13.56 1.784 1.186
7.5 285 15.75 2.019 1.241
7.5 315 12.9 1.538 1.1
7.5 345 15.1 1.645 1.199
22.5 15 13.22 1.129 1.304
22.5 45 14.4 1.546 1.324
22.5 75 15.36 2.19 1.457
22.5 135 13.64 1.63 1.284
22.5 165 12 0.7154 1.278
22.5 195 11.48 0.6846 1.264
22.5 225 12 1.1 1.265
22.5 285 17.04 2.832 1.363
22.5 315 13.32 1.683 1.283
22.5 345 11.86 0.9502 1.268
37.5 15 15.14 6.081 1.104
37.5 45 13.11 1.669 1.035
37.5 105 10.98 1.106 0.9973
37.5 135 11.29 0.6579 0.9943
37.5 165 10.01 0.4764 0.9633
37.5 195 9.829 0.4612 0.9531
37.5 225 11.91 0.7027 0.9997
37.5 255 10.63 1.208 1.013
37.5 315 8.969 1.299 0.9563
52.5 45 9.199 0.544 0.7498
52.5 75 13.19 2.491 0.7911
52.5 105 10.91 0.6227 0.7794
52.5 135 9.53 0.6005 0.7614
52.5 165 8.038 0.3836 0.7256
52.5 195 8.388 0.4003 0.7298
52.5 225 8.479 0.6012 0.7458
52.5 255 11.12 0.6303 0.8088
52.5 285 11.93 2.5 0.7649
52.5 315 9.648 0.6037 0.7712
67.5 45 6.881 1.271 0.6276
67.5 75 8.264 0.4326 0.6859
67.5 105 9.407 0.4521 0.6921
67.5 135 9.194 0.5953 0.6825
67.5 165 6.439 0.3335 0.6444
67.5 195 7.013 0.367 0.651
67.5 225 8.935 0.5865 0.7102
67.5 255 10.12 0.4683 0.7088
67.5 285 8.763 0.3938 0.6944
67.5 315 6.35 1.1 0.6325
82.5 15 4.668 1.913 0.4851
82.5 45 5.996 0.9702 0.4901
82.5 75 7.945 0.4124 0.5497
82.5 105 9.186 0.4118 0.5844
82.5 135 7.368 0.5554 0.5481
82.5 165 5.913 0.3627 0.505
82.5 195 6.158 0.3807 0.5121
82.5 225 7.377 0.4944 0.544
82.5 255 8.63 0.3646 0.5717
82.5 285 7.791 0.3849 0.5559
82.5 315 5.635 0.6925 0.4979
82.5 345 3.946 0.6711 0.471
97.5 45 4.198 0.3008 0.4439
97.5 75 5.413 0.3787 0.4704
97.5 105 6.544 0.3293 0.4962
97.5 135 6.485 0.3989 0.4903
97.5 165 4.734 0.3056 0.4555
97.5 195 4.17 0.2618 0.4551
97.5 225 6.452 0.4158 0.5026
97.5 255 6.841 0.3247 0.5057
97.5 285 6.394 0.4317 0.4902
97.5 315 4.416 0.2799 0.4507
97.5 345 3.476 1.058 0.4355
112.5 15 2.283 0.272 0.2998
112.5 45 3.499 0.2431 0.3241
112.5 75 4.602 0.3712 0.3394
112.5 105 5.178 0.2869 0.3633
112.5 135 4.299 0.36 0.3672
112.5 165 3.748 0.3308 0.3373
112.5 195 3.768 0.3445 0.3249
112.5 225 3.606 0.2976 0.327
112.5 255 5.115 0.2811 0.3627
112.5 285 4.676 0.383 0.3468
112.5 315 3.552 0.2656 0.3231
112.5 345 2.074 0.2466 0.2955
127.5 15 1.473 0.2112 0.2759
127.5 45 2.391 0.2227 0.2918
127.5 75 3.167 0.292 0.3182
127.5 105 3.805 0.335 0.3113
127.5 135 3.518 0.3384 0.3219
127.5 165 2.246 0.2869 0.2937
127.5 195 2.145 0.3388 0.2913
127.5 225 2.842 0.2454 0.2979
127.5 255 3.868 0.3314 0.3266
127.5 285 3.417 0.2947 0.3197
127.5 315 2.791 0.2844 0.2989
127.5 345 2.035 0.282 0.2866
142.5 15 0.918 0.1553 0.2511
142.5 45 1.839 0.2414 0.2637
142.5 75 2.421 0.249 0.2788
142.5 105 3.264 1.52 0.282
142.5 255 2.898 0.8545 0.2771
142.5 285 2.166 0.2534 0.2689
142.5 315 1.997 0.3001 0.2698
142.5 345 1.744 0.2465 0.2642
157.5 15 0.9346 0.1828 0.3795
157.5 45 1.403 0.7582 0.3828
157.5 345 1.02 0.2226 0.3795