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Measurement E8M49

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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 : 1.12 — 1.14 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 1.969 0.8589 0.5186
7.5 45 6.423 2.148 0.6718
7.5 75 2.913 1.031 0.5324
7.5 105 2.434 0.6733 0.5211
7.5 135 3.05 0.8367 0.5534
7.5 165 4.133 1.421 0.5385
7.5 195 5.035 1.46 0.5806
7.5 225 4.469 1.572 0.5348
7.5 255 5.598 1.351 0.2205
7.5 345 1.996 1.316 0.525
22.5 15 2.981 0.9027 0.3203
22.5 45 3.422 0.8223 0.3231
22.5 75 3.551 0.6901 0.3168
22.5 105 3.479 0.6299 0.3288
22.5 135 3.805 0.4897 0.3323
22.5 165 3.17 0.468 0.3241
22.5 195 3.7 0.5228 0.3273
22.5 225 3.729 0.4994 0.3275
22.5 255 3.265 0.585 0.3277
22.5 285 3.617 0.676 0.3393
22.5 315 4.296 0.9564 0.3214
22.5 345 3.529 1.284 0.3282
37.5 15 2.151 0.5801 0.3015
37.5 45 2.469 0.6507 0.3096
37.5 75 2.842 0.5251 0.3222
37.5 105 4.293 0.6274 0.3341
37.5 135 4.132 0.504 0.345
37.5 165 4.245 0.4525 0.3434
37.5 195 4.727 0.5435 0.3606
37.5 225 3.339 0.4496 0.3259
37.5 255 4.387 0.6684 0.3557
37.5 285 4.666 1.869 0.3563
37.5 315 2.715 0.9544 0.3228
37.5 345 1.733 0.4758 0.2992
52.5 15 1.475 0.5088 0.2527
52.5 45 3.481 1.211 0.2771
52.5 75 3.061 0.5078 0.2768
52.5 105 3.816 0.5967 0.2967
52.5 135 4.661 0.5859 0.3009
52.5 165 4.179 0.4158 0.3114
52.5 195 4.561 0.4384 0.3073
52.5 225 4.704 0.5647 0.3088
52.5 255 3.576 0.5547 0.2872
52.5 285 4.671 0.9539 0.3181
52.5 315 2.252 0.9685 0.2605
52.5 345 1.024 0.3185 0.2515
67.5 45 1.92 0.3437 0.2849
67.5 75 4.388 0.4616 0.3212
67.5 105 5.463 0.8907 0.3473
67.5 135 4.532 0.6233 0.3252
67.5 165 3.574 0.3671 0.3196
67.5 195 4.45 0.494 0.3283
67.5 225 5.081 0.8906 0.3513
67.5 255 5.658 0.9075 0.3343
67.5 285 3.703 0.4004 0.3087
67.5 315 2.247 0.3335 0.2939
82.5 45 2.183 0.308 0.297
82.5 75 3.961 0.3666 0.3351
82.5 105 6.459 0.634 0.3813
82.5 135 4.88 0.5943 0.3442
82.5 165 3.732 0.3113 0.3233
82.5 195 3.39 0.3022 0.3211
82.5 225 5.291 0.8181 0.3406
82.5 255 5.955 0.58 0.3818
82.5 285 3.494 0.2962 0.3268
82.5 315 2.716 0.349 0.3098
97.5 45 3.143 0.8472 0.3044
97.5 75 4.276 0.4147 0.3353
97.5 105 5.371 0.5007 0.3569
97.5 135 4.558 0.5416 0.3409
97.5 165 3.284 0.3777 0.3101
97.5 195 2.85 0.3045 0.3011
97.5 225 4.254 0.5243 0.3195
97.5 255 4.111 0.4198 0.3396
97.5 285 4.235 0.3882 0.316
97.5 315 2.379 0.523 0.2911
112.5 45 2.582 0.6664 0.3393
112.5 75 4.629 0.7142 0.375
112.5 105 4.273 0.3787 0.3596
112.5 135 3.989 0.9474 0.3452
112.5 165 3.444 0.4251 0.3444
112.5 195 2.989 0.4033 0.3346
112.5 225 3.774 0.609 0.3732
112.5 255 4.117 0.3508 0.3677
112.5 285 4.419 0.5297 0.3574
112.5 315 3.797 1.669 0.3632
127.5 45 2.278 0.5046 0.4339
127.5 75 6.401 2.392 0.4936
127.5 105 6.208 0.8529 0.514
127.5 135 4.5 1.188 0.4714
127.5 165 3.95 1.106 0.4625
127.5 195 3.703 1.014 0.45
127.5 225 5.223 1.591 0.4673
127.5 255 5.108 0.5845 0.4797
127.5 285 5.065 1.118 0.4483
127.5 315 6.443 3.216 0.4961
142.5 45 4.849 1.826 0.2886
142.5 75 6.203 2.484 0.2886
142.5 105 4.8 1.292 0.2886
142.5 255 4.136 1.254 0.2886
142.5 315 4.888 2.186 0.2886