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Measurement E8M14

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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 : 0.25 — 0.35 GeV2
W : 1.36 — 1.38 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 13.62 1.215 1.296
7.5 45 13.07 1.189 1.289
7.5 75 14.92 1.413 1.285
7.5 105 18 1.738 1.35
7.5 135 12.4 1.356 1.227
7.5 165 11.73 1.437 1.255
7.5 195 16.02 1.826 1.304
7.5 225 15.5 1.61 1.312
7.5 255 15.82 1.79 1.304
7.5 285 11.87 1.166 1.205
7.5 315 13.69 1.289 1.309
7.5 345 20.33 1.729 1.467
22.5 15 12.51 1.517 1.189
22.5 75 13.36 2.543 1.2
22.5 105 14.61 3.515 1.211
22.5 255 15.6 3.73 1.332
22.5 285 11.01 2.003 1.221
22.5 345 13.57 2.025 1.193
37.5 45 8.721 0.6093 0.6985
37.5 75 11.98 0.8066 0.7549
37.5 135 6.483 0.5321 0.6533
37.5 165 5.519 0.2755 0.6231
37.5 195 5.67 0.2827 0.6283
37.5 225 6.6 0.5702 0.6604
37.5 285 9.375 0.6627 0.7083
37.5 315 10.54 0.9023 0.7236
52.5 45 7.318 0.685 0.577
52.5 105 8.497 0.5138 0.6038
52.5 135 6.232 0.4431 0.5534
52.5 165 4.301 0.2134 0.5129
52.5 195 3.866 0.1952 0.5047
52.5 225 7.271 0.5093 0.582
52.5 255 7.83 0.4263 0.6048
52.5 285 8.555 1.199 0.6449
52.5 315 7.501 0.8149 0.5834
67.5 45 5.356 0.6801 0.5904
67.5 75 7.05 0.8244 0.6372
67.5 105 7.718 0.3072 0.6456
67.5 135 5.533 0.3902 0.6019
67.5 165 2.828 0.1623 0.5576
67.5 195 3.084 0.1702 0.5657
67.5 225 4.757 0.3695 0.5882
67.5 255 6.783 0.2782 0.6252
67.5 285 7.725 0.9857 0.6976
67.5 315 5.309 0.9076 0.5847
82.5 45 3.76 0.5139 0.3535
82.5 75 4.9 0.3063 0.3908
82.5 105 5.649 0.2464 0.399
82.5 135 3.912 0.3672 0.3668
82.5 165 2.223 0.1764 0.3307
82.5 195 2.309 0.1717 0.3283
82.5 225 4.72 0.4265 0.3891
82.5 255 5.534 0.2449 0.41
82.5 285 5.091 0.3231 0.3912
82.5 315 4.004 0.5178 0.3589
97.5 15 0.6879 0.1067 0.1758
97.5 45 1.984 0.1402 0.1965
97.5 75 3.685 0.3025 0.2511
97.5 105 3.695 0.2012 0.2508
97.5 135 3.115 0.2737 0.2383
97.5 165 2.046 0.1459 0.2148
97.5 195 1.784 0.1293 0.2009
97.5 225 3.438 0.2618 0.2572
97.5 255 4.057 0.2144 0.2692
97.5 285 3.069 0.2656 0.2337
97.5 315 2.003 0.1435 0.1993
97.5 345 0.6685 0.1127 0.1749
112.5 15 0.7468 0.1621 0.1597
112.5 45 1.507 0.1409 0.1773
112.5 75 1.915 0.2233 0.1894
112.5 105 2.361 0.1624 0.2016
112.5 135 2.217 0.2151 0.1983
112.5 165 1.88 0.2113 0.1865
112.5 195 1.582 0.17 0.1842
112.5 225 2.506 0.3125 0.206
112.5 255 2.284 0.1504 0.2078
112.5 285 2.519 0.2456 0.2163
112.5 315 1.499 0.1405 0.1821
112.5 345 0.6781 0.1455 0.1598
127.5 15 0.4329 0.0925 0.118
127.5 45 0.7164 0.09241 0.1217
127.5 75 1.37 0.1399 0.154
127.5 105 1.536 0.1969 0.1552
127.5 135 1.589 0.1805 0.1682
127.5 165 1.418 0.4286 0.1361
127.5 225 1.251 0.1401 0.1384
127.5 255 1.741 0.3982 0.1533
127.5 285 1.421 0.1565 0.1523
127.5 315 0.9112 0.1475 0.1302
127.5 345 0.4723 0.08337 0.1186
142.5 15 0.3295 0.07219 0.04964
142.5 45 1.139 0.288 0.1264
142.5 75 0.7752 0.09056 0.1066
142.5 105 1.449 0.6074 0.09056
142.5 285 0.8827 0.1189 0.1112
142.5 315 0.449 0.09907 0.08984
142.5 345 0.5728 0.1386 0.09652
157.5 15 0.4026 0.08575 0.0394
157.5 345 0.322 0.07766 0.03394