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Measurement E8M46

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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 : 1.52 — 1.54 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 16.48 3.155 1.264
7.5 45 13.5 2.165 1.129
7.5 75 9.682 1.595 1.068
7.5 105 12.03 1.478 1.104
7.5 135 8.26 0.8175 1.084
7.5 165 9.159 0.9067 1.08
7.5 195 13.28 1.374 1.258
7.5 225 10.73 1.121 1.085
7.5 255 14.02 2.061 1.2
7.5 285 9.429 1.647 1.053
7.5 315 12.17 1.86 1.113
7.5 345 13.28 4.407 1.069
22.5 75 9.348 2.458 0.7435
22.5 105 7.67 1.059 0.6829
22.5 135 6.976 0.6685 0.6753
22.5 165 5.724 0.4136 0.6507
22.5 195 4.953 0.3892 0.6388
22.5 225 6.347 0.5733 0.6562
22.5 255 6.039 0.8503 0.6643
22.5 285 8.145 1.496 0.7092
37.5 75 5.979 0.3178 0.4157
37.5 105 5.129 0.4034 0.3888
37.5 135 4.923 0.5261 0.3811
37.5 165 3.392 0.3588 0.3569
37.5 195 3.674 0.4178 0.3667
37.5 225 5.22 0.5877 0.383
37.5 255 5.629 0.4608 0.4066
37.5 285 5.697 0.3157 0.4094
52.5 45 3.59 0.4262 0.327
52.5 75 3.525 0.2237 0.3257
52.5 105 4.782 0.446 0.3587
52.5 255 4.367 1.022 0.3429
52.5 285 4.594 0.2971 0.3406
52.5 315 3.515 0.391 0.3257
67.5 15 2.222 0.3307 0.2742
67.5 45 2.335 0.1725 0.2707
67.5 75 2.835 0.3708 0.2935
67.5 105 3.855 0.437 0.3045
67.5 135 2.52 0.2059 0.2794
67.5 165 1.32 0.1007 0.2601
67.5 195 1.573 0.1088 0.2638
67.5 225 2.433 0.1855 0.2813
67.5 285 4.651 1.038 0.319
67.5 315 2.532 0.2073 0.2736
67.5 345 2.119 0.4275 0.2693
82.5 15 1.148 0.2332 0.1776
82.5 45 3.056 0.7226 0.2067
82.5 75 2.711 0.2722 0.2206
82.5 105 2.967 0.1561 0.2223
82.5 135 2.222 0.1683 0.2039
82.5 165 1.394 0.103 0.1899
82.5 195 1.545 0.1152 0.188
82.5 225 2.12 0.1598 0.1975
82.5 255 3.167 0.1583 0.2295
82.5 285 3.662 0.9357 0.2244
82.5 315 2.309 0.6452 0.2014
82.5 345 1.756 0.7328 0.1865
97.5 45 2.199 0.1613 0.2549
97.5 75 3.408 0.2576 0.2834
97.5 105 3.136 0.1771 0.2789
97.5 135 2.772 0.2118 0.2771
97.5 165 1.683 0.1524 0.2526
97.5 195 1.736 0.1482 0.2537
97.5 225 3.329 0.2669 0.296
97.5 255 3.632 0.2016 0.2928
97.5 285 2.789 0.2064 0.2721
97.5 315 2.05 0.1518 0.2586
112.5 15 1.225 0.149 0.1926
112.5 45 2.161 0.1896 0.2042
112.5 75 3.186 0.2276 0.232
112.5 105 3.605 0.2268 0.2543
112.5 135 3.106 0.2549 0.2415
112.5 165 1.647 0.1387 0.2058
112.5 195 2.064 0.1766 0.2118
112.5 225 2.727 0.2014 0.2259
112.5 255 3.68 0.239 0.254
112.5 285 3.359 0.2689 0.2531
112.5 315 2.076 0.1882 0.2059
112.5 345 1.268 0.1524 0.1909
127.5 15 1.231 0.1556 0.171
127.5 45 2.128 0.1973 0.1922
127.5 75 2.4 0.1907 0.1991
127.5 105 2.843 0.2066 0.2129
127.5 135 2.474 0.2246 0.2097
127.5 165 1.713 0.2164 0.1856
127.5 195 1.497 0.1835 0.1854
127.5 225 2.356 0.2416 0.2165
127.5 255 3.102 0.2378 0.2179
127.5 285 2.873 0.2331 0.2071
127.5 315 1.955 0.1811 0.1885
127.5 345 1.368 0.1817 0.1735
142.5 15 1.146 0.1571 0.2019
142.5 45 1.592 0.189 0.2066
142.5 75 1.889 0.2055 0.2087
142.5 105 2.874 0.7355 0.2289
142.5 135 2.016 0.2963 0.2174
142.5 225 2.162 0.4524 0.2432
142.5 255 1.808 0.3067 0.2142
142.5 285 2.062 0.262 0.2089
142.5 315 1.725 0.237 0.2113
142.5 345 1.053 0.1784 0.2006
157.5 15 1.111 0.3249 0.1945
157.5 345 1.319 0.461 0.187