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Measurement E8M39

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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 : 1.38 — 1.4 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 11.83 1.131 1.031
7.5 45 12.19 1.291 1.062
7.5 75 11.93 1.269 1.026
7.5 105 11.41 1.179 0.9841
7.5 135 11.28 1.275 0.9548
7.5 165 7.716 0.846 0.9276
7.5 195 8.022 0.8778 0.9273
7.5 225 9.17 0.9457 0.9551
7.5 255 13.19 1.497 0.9919
7.5 285 8.643 1.047 0.9117
7.5 315 9.657 1.086 0.9508
7.5 345 10.02 0.9862 0.924
22.5 15 7.66 0.9018 0.8801
22.5 45 10.01 3.608 0.9082
22.5 75 11.21 2.481 0.961
22.5 105 8.74 0.9511 0.8919
22.5 135 9.647 1.294 0.8884
22.5 225 7.509 0.923 0.8727
22.5 255 9.342 1.113 0.9141
22.5 285 8.826 1.195 0.9177
22.5 315 11.66 2.467 0.9578
22.5 345 10.51 2.291 0.9079
37.5 45 7.994 0.6194 0.6405
37.5 75 8.738 0.5971 0.6618
37.5 165 4.409 0.4844 0.5796
37.5 195 3.994 0.445 0.5707
37.5 285 7.925 0.4907 0.6363
37.5 315 8.241 0.8373 0.6496
52.5 45 5.323 0.6151 0.4523
52.5 75 6.73 0.4393 0.5102
52.5 105 6.655 0.7727 0.5004
52.5 135 4.821 0.3534 0.4436
52.5 165 3.396 0.1945 0.4174
52.5 195 3.433 0.2086 0.4227
52.5 225 5.318 0.3762 0.4575
52.5 285 6.693 0.5097 0.4896
52.5 315 5.898 0.5412 0.4757
67.5 45 4.384 0.5188 0.4061
67.5 75 5.23 1.068 0.4578
67.5 105 5.722 0.2762 0.4269
67.5 135 4.485 0.3228 0.4023
67.5 165 2.989 0.1919 0.3732
67.5 195 3.012 0.1807 0.3615
67.5 225 4.328 0.3272 0.3896
67.5 255 6.247 0.2842 0.4494
67.5 285 5.208 0.7109 0.416
67.5 315 4.271 0.6154 0.386
82.5 15 1.043 0.2611 0.2295
82.5 45 2.051 0.3334 0.2474
82.5 75 4.319 0.3085 0.2992
82.5 105 4.109 0.2226 0.3077
82.5 135 3.164 0.2421 0.2616
82.5 165 2.174 0.1572 0.2435
82.5 195 1.916 0.1436 0.2361
82.5 225 3.403 0.2699 0.2749
82.5 255 4.098 0.2084 0.3013
82.5 285 4.28 0.2877 0.2813
82.5 315 2.524 0.5487 0.2584
82.5 345 1.739 0.5888 0.2264
97.5 45 1.807 0.1331 0.1951
97.5 75 2.349 0.2033 0.2125
97.5 105 2.877 0.1884 0.2232
97.5 135 2.761 0.2351 0.2299
97.5 165 1.597 0.1465 0.1938
97.5 195 1.985 0.1947 0.2036
97.5 225 2.418 0.2179 0.2132
97.5 255 2.979 0.178 0.2316
97.5 285 2.432 0.2207 0.2198
97.5 315 1.761 0.1457 0.1917
112.5 15 0.6057 0.1099 0.1911
112.5 45 0.9455 0.1023 0.1955
112.5 75 1.714 0.1799 0.2177
112.5 105 2.067 0.1521 0.2259
112.5 135 1.908 0.2111 0.2334
112.5 165 1.106 0.1199 0.1979
112.5 195 1.288 0.1418 0.2052
112.5 225 1.494 0.1321 0.2155
112.5 255 1.765 0.1552 0.2189
112.5 285 1.959 0.2173 0.2203
112.5 315 1.002 0.1148 0.198
112.5 345 0.51 0.09969 0.1905
127.5 15 0.4027 0.09434 0.05121
127.5 45 0.5422 0.07694 0.1097
127.5 75 1.245 0.1715 0.1417
127.5 105 1.097 0.1362 0.139
127.5 135 1.146 0.1555 0.1329
127.5 165 0.8603 0.1499 0.1213
127.5 195 0.824 0.1246 0.1188
127.5 225 1.208 0.1674 0.1384
127.5 255 1.069 0.119 0.1294
127.5 285 1.001 0.1245 0.126
127.5 315 0.7 0.1052 0.1139
127.5 345 0.3222 0.07161 0.05091
142.5 15 0.2869 0.07169 0.03202
142.5 45 0.2883 0.06341 0.03206
142.5 75 0.6062 0.09287 0.1285
142.5 105 0.7337 0.1982 0.1306
142.5 255 0.489 0.1162 0.1285
142.5 285 0.5167 0.08006 0.1216
142.5 315 0.5718 0.3055 0.1214
142.5 345 0.2899 0.07466 0.03211
157.5 15 0.3478 0.1103 0.07603
157.5 345 0.2159 0.07284 0.02685