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Measurement E8M35

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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 : 1.3 — 1.32 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 view sliced data.

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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 13.42 1.358 2.246
7.5 45 16.31 1.859 2.304
7.5 75 18.95 2.117 2.318
7.5 105 15.81 2.114 2.27
7.5 255 20.49 4.643 2.359
7.5 285 13.06 1.664 2.24
7.5 315 12.51 1.475 2.212
7.5 345 15.56 1.655 2.244
22.5 15 11.85 0.945 1.008
22.5 45 12.13 1.643 1.036
22.5 75 15.05 2.282 1.108
22.5 165 12.34 1.865 1.035
22.5 195 12.85 1.981 1.015
22.5 285 16.76 5.001 1.07
22.5 315 11.85 1.814 1.024
22.5 345 13.21 1.397 1.037
37.5 45 12.63 4.022 0.9843
37.5 75 9.731 1.377 0.9874
37.5 105 10.69 2.877 0.941
37.5 135 11.39 0.6916 0.9849
37.5 165 8.383 0.4213 0.9265
37.5 195 8.596 0.4168 0.9294
37.5 225 9.506 0.6013 0.9472
37.5 255 10.55 1.514 0.9689
37.5 315 10.53 2.226 0.9603
52.5 45 8.277 0.5388 0.6377
52.5 105 11.24 0.6316 0.6941
52.5 135 8.489 0.5467 0.6504
52.5 165 7.396 0.3789 0.6337
52.5 195 7.054 0.3624 0.6197
52.5 225 9.995 0.6582 0.6813
52.5 255 8.884 0.5253 0.657
52.5 285 7.87 1.012 0.6522
52.5 315 8.65 0.5057 0.6588
67.5 45 5.912 1.184 0.6105
67.5 75 6.384 0.3479 0.587
67.5 105 7.654 0.3812 0.6092
67.5 135 6.564 0.4483 0.5822
67.5 165 5.097 0.2785 0.5557
67.5 195 5.362 0.2943 0.5601
67.5 225 7.848 0.5369 0.6052
67.5 255 9.132 0.4332 0.6373
67.5 285 7.361 0.7346 0.5933
67.5 315 5.98 1.204 0.5798
82.5 15 2.427 0.4597 0.395
82.5 45 6.284 2.106 0.4919
82.5 75 6.08 0.3452 0.4581
82.5 105 6.561 0.3197 0.4774
82.5 135 5.751 0.4246 0.4542
82.5 165 4.271 0.2927 0.421
82.5 195 4.068 0.2752 0.4201
82.5 225 5.769 0.4354 0.4528
82.5 255 7.392 0.3394 0.5127
82.5 285 6.03 0.3256 0.4707
82.5 315 4.548 0.9005 0.4166
97.5 45 3.802 0.2943 0.3481
97.5 75 4.755 0.3926 0.3745
97.5 105 5.068 0.279 0.3793
97.5 135 4.935 0.3249 0.3664
97.5 165 3.488 0.2413 0.3461
97.5 195 3.341 0.2172 0.3403
97.5 225 4.855 0.3542 0.3705
97.5 255 5.707 0.2862 0.401
97.5 285 4.995 0.3817 0.3726
97.5 315 3.356 0.2286 0.3328
112.5 15 1.896 0.3221 0.2192
112.5 45 2.526 0.1977 0.2316
112.5 75 3.319 0.2923 0.2495
112.5 105 4.241 0.2638 0.2817
112.5 135 3.455 0.3101 0.2658
112.5 165 2.886 0.2752 0.2455
112.5 195 2.39 0.222 0.2477
112.5 225 3.366 0.2778 0.2586
112.5 255 3.394 0.2106 0.2598
112.5 285 2.635 0.2574 0.2358
112.5 315 2.17 0.196 0.226
112.5 345 1.279 0.1754 0.211
127.5 15 0.9033 0.1593 0.2288
127.5 45 1.598 0.1747 0.2381
127.5 75 2.189 0.2272 0.2505
127.5 105 2.464 0.2439 0.2567
127.5 135 2.08 0.2593 0.252
127.5 165 1.596 0.3399 0.2423
127.5 195 1.563 0.3183 0.2367
127.5 225 1.709 0.1981 0.2376
127.5 255 2.567 0.2817 0.2594
127.5 285 2.532 0.2541 0.268
127.5 315 1.934 0.2199 0.246
127.5 345 0.82 0.1501 0.2291
142.5 15 1.035 0.2556 0.2466
142.5 45 1.431 0.2059 0.2501
142.5 75 1.772 0.2044 0.2664
142.5 105 1.62 0.7643 0.2509
142.5 255 1.21 0.2755 0.2503
142.5 285 1.186 0.1827 0.2508
142.5 315 1.335 0.215 0.2531
142.5 345 1.117 0.2056 0.246
157.5 15 0.8483 0.2732 0.4256
157.5 75 0.6935 0.3306 0.05161
157.5 345 0.9206 0.3036 0.4231