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Measurement E8M44

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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 : 1.48 — 1.5 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 8.461 0.8569 0.9163
7.5 45 14.66 1.74 1.028
7.5 75 7.594 0.9762 0.8808
7.5 105 7.301 0.7762 0.828
7.5 135 6.944 0.7246 0.8195
7.5 165 6.372 0.6248 0.8168
7.5 195 7.859 0.7378 0.8681
7.5 225 8.411 0.9409 0.862
7.5 255 7.196 0.8092 0.8363
7.5 285 8.961 1.309 0.8808
7.5 315 9.458 1.241 0.9556
7.5 345 9.514 0.9516 0.8875
22.5 45 11.55 4.862 0.8466
22.5 75 9.666 1.93 0.7946
22.5 105 6.591 0.7454 0.7192
22.5 135 5.53 0.4678 0.6935
22.5 165 3.708 0.2825 0.6816
22.5 195 4.155 0.3095 0.6821
22.5 225 6.301 0.5204 0.7166
22.5 255 8.138 0.9347 0.757
22.5 285 6.747 0.9084 0.7272
37.5 45 8.044 1.672 0.6445
37.5 75 7.751 0.3448 0.6498
37.5 105 7.513 0.5226 0.6393
37.5 135 5.283 0.6319 0.6002
37.5 225 6.637 1.791 0.6087
37.5 255 7.029 0.5103 0.6382
37.5 285 8.21 0.3654 0.6829
52.5 45 6.583 0.6037 0.4887
52.5 75 8.198 0.3519 0.5228
52.5 165 3.15 0.2996 0.4144
52.5 195 3.2 0.3118 0.4166
52.5 285 7.83 0.3509 0.5136
52.5 315 5.903 0.6913 0.4651
67.5 15 3.415 0.4825 0.4149
67.5 45 5.1 0.3098 0.4493
67.5 75 6.715 0.7007 0.5015
67.5 105 7.082 0.438 0.4967
67.5 135 5.097 0.2853 0.4495
67.5 165 2.812 0.1504 0.4142
67.5 195 2.771 0.1533 0.4116
67.5 225 5.223 0.2747 0.4506
67.5 255 6.424 0.5605 0.4945
67.5 285 6.482 0.8263 0.5002
67.5 315 4.859 0.3119 0.4438
67.5 345 4.119 0.5351 0.4298
82.5 15 1.712 0.2716 0.2961
82.5 45 4.467 0.6198 0.3325
82.5 75 6.106 0.485 0.383
82.5 105 5.915 0.2383 0.3987
82.5 135 4.807 0.2845 0.3627
82.5 165 3.026 0.1708 0.3283
82.5 195 2.896 0.1686 0.3218
82.5 225 4.353 0.2443 0.3534
82.5 255 6.358 0.2364 0.4066
82.5 285 5.785 0.4568 0.3745
82.5 315 4.273 1.193 0.3261
82.5 345 2.653 0.5528 0.3072
97.5 45 3.126 0.1791 0.3263
97.5 75 5.66 0.322 0.3917
97.5 105 4.693 0.2148 0.3696
97.5 135 4.56 0.2909 0.3707
97.5 165 3.046 0.2255 0.334
97.5 195 2.448 0.1658 0.3227
97.5 225 3.77 0.24 0.3544
97.5 255 5.203 0.2282 0.3767
97.5 285 4.568 0.2679 0.37
97.5 315 3.113 0.1751 0.3365
97.5 345 1.707 0.6239 0.3091
112.5 15 1.151 0.1351 0.2332
112.5 45 2.704 0.1968 0.2576
112.5 75 3.836 0.2449 0.2866
112.5 105 4.196 0.2437 0.3049
112.5 135 3.681 0.2255 0.2965
112.5 165 2.598 0.1886 0.2616
112.5 195 2.646 0.1761 0.2615
112.5 225 3.683 0.2411 0.2941
112.5 255 4.482 0.2388 0.3031
112.5 285 4.316 0.3035 0.301
112.5 315 3.138 0.2323 0.2716
112.5 345 1.19 0.1414 0.2354
127.5 15 1.316 0.1588 0.1867
127.5 45 2.093 0.1675 0.1977
127.5 75 2.879 0.2169 0.2143
127.5 105 4.027 0.2905 0.2625
127.5 135 3.08 0.2654 0.2271
127.5 165 1.795 0.1859 0.1963
127.5 195 2.108 0.2191 0.2144
127.5 225 2.985 0.2516 0.2089
127.5 255 3.182 0.2311 0.2433
127.5 285 3.075 0.2236 0.2311
127.5 315 2.118 0.1767 0.2015
127.5 345 1.171 0.1567 0.1852
142.5 15 0.7216 0.133 0.1703
142.5 45 1.507 0.1882 0.1805
142.5 75 2.038 0.198 0.1901
142.5 105 2.036 0.2552 0.1958
142.5 135 2.025 0.3398 0.194
142.5 225 2.642 0.6674 0.1057
142.5 255 2.891 0.9435 0.195
142.5 285 1.823 0.2029 0.1899
142.5 315 1.641 0.274 0.2003
142.5 345 0.8115 0.149 0.1705
157.5 15 0.6831 0.2139 0.0468
157.5 345 0.9274 0.3936 0.1088