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Measurement E8M59

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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 : 0.45 — 0.55 GeV2
W : 1.32 — 1.34 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 13.73 1.753 1.302
7.5 45 12.68 1.631 1.311
7.5 75 10.04 1.504 1.188
7.5 105 12.08 1.844 1.366
7.5 135 12.14 2.217 1.236
7.5 165 7.766 1.735 1.173
7.5 195 20.68 5.09 1.321
7.5 225 10.39 2.016 1.213
7.5 255 11.72 2.015 1.2
7.5 285 10.72 1.486 1.2
7.5 315 12.8 1.761 1.273
7.5 345 13.64 1.753 1.354
22.5 15 11.15 1.022 1.272
22.5 45 11.15 2.363 1.284
22.5 75 12.11 1.666 1.278
22.5 105 13.57 2.562 1.309
22.5 255 12.25 1.897 1.256
22.5 285 12.84 1.601 1.296
22.5 315 12.7 2.167 1.31
22.5 345 12.98 1.282 1.316
37.5 45 10.12 1.673 0.7396
37.5 75 9.104 0.9899 0.6862
37.5 135 6.847 0.8093 0.6504
37.5 165 6.947 0.4089 0.6616
37.5 195 6.083 0.381 0.636
37.5 225 8.829 1.579 0.6598
37.5 285 10.19 1.176 0.718
37.5 315 7.762 1.138 0.7115
52.5 45 6.627 0.4829 0.5085
52.5 75 11.46 3.844 0.5327
52.5 105 7.148 0.652 0.5535
52.5 135 6.754 0.4709 0.5078
52.5 165 5.059 0.2793 0.4889
52.5 195 4.92 0.2839 0.4844
52.5 225 6.306 0.4307 0.5218
52.5 255 6.635 0.5673 0.5088
52.5 285 6.872 1.532 0.5091
52.5 315 6.742 0.5389 0.5109
67.5 45 6.645 1.891 0.5366
67.5 75 5.67 0.6457 0.5194
67.5 105 6.494 0.3638 0.5316
67.5 135 5.393 0.4108 0.4913
67.5 165 4.388 0.2707 0.4924
67.5 195 4.62 0.2689 0.4932
67.5 225 4.904 0.359 0.4941
67.5 255 6.264 0.3375 0.5119
67.5 285 4.682 0.4344 0.4899
67.5 315 6.083 1.196 0.5063
82.5 15 2.038 0.4055 0.2982
82.5 45 2.695 0.5218 0.3064
82.5 75 4.345 0.313 0.3501
82.5 105 5.078 0.3027 0.379
82.5 135 4.36 0.3484 0.3419
82.5 165 2.952 0.2252 0.3126
82.5 195 3.779 0.2701 0.3404
82.5 225 4.554 0.3785 0.342
82.5 255 5.092 0.2974 0.3667
82.5 285 4.229 0.2919 0.3427
82.5 315 6.468 2.45 0.3202
82.5 345 1.738 0.5362 0.2923
97.5 15 1.066 0.4052 0.2109
97.5 45 2.395 0.2115 0.2336
97.5 75 3.479 0.3147 0.258
97.5 105 3.552 0.2321 0.2633
97.5 135 3.61 0.3192 0.2691
97.5 165 2.505 0.2061 0.2345
97.5 195 2.826 0.2341 0.2492
97.5 225 2.879 0.303 0.2608
97.5 255 3.798 0.2613 0.284
97.5 285 3.092 0.2812 0.2491
97.5 315 2.005 0.1866 0.2274
112.5 15 1.084 0.3014 0.2076
112.5 45 1.222 0.1546 0.199
112.5 75 1.935 0.2294 0.2128
112.5 105 2.561 0.2386 0.2325
112.5 135 2.382 0.2336 0.2351
112.5 165 1.869 0.1939 0.2202
112.5 195 1.779 0.1837 0.2188
112.5 225 2.058 0.1982 0.221
112.5 255 2.716 0.2432 0.2296
112.5 285 2.297 0.2813 0.2212
112.5 315 1.809 0.1886 0.2085
112.5 345 1.537 0.4171 0.2055
127.5 15 0.5744 0.1136 0.2132
127.5 45 1.209 0.2354 0.2199
127.5 75 1.75 0.2389 0.2293
127.5 105 1.537 0.175 0.2309
127.5 135 1.954 0.2944 0.2589
127.5 165 1.423 0.2376 0.2241
127.5 195 2.445 1.003 0.2654
127.5 225 1.53 0.2108 0.2247
127.5 255 1.94 0.2499 0.2416
127.5 285 1.582 0.2602 0.2249
127.5 315 1.081 0.1596 0.2225
127.5 345 0.5485 0.13 0.2138
142.5 15 0.5836 0.1605 0.162
142.5 45 0.5452 0.1117 0.1597
142.5 75 0.7797 0.1222 0.1609
142.5 105 0.643 0.1679 0.1624
142.5 255 1.702 0.645 0.1891
142.5 285 0.8003 0.1274 0.1628
142.5 315 0.5509 0.1094 0.1602
142.5 345 0.3436 0.08679 0.1587
157.5 15 0.5388 0.2653 0.04521
157.5 285 0.615 0.1632 0.08025
157.5 345 0.3207 0.1273 0.03534