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Measurement E8M17

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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 : 1.42 — 1.44 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 view sliced data.

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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 13.29 1.065 1.076
7.5 45 12.28 1.14 1.038
7.5 75 12.32 1.293 1.087
7.5 105 12.77 1.299 1.118
7.5 135 9.633 0.9676 1.007
7.5 165 7.27 0.8072 0.9774
7.5 195 9.439 0.9355 1.039
7.5 225 9.483 0.886 1.013
7.5 255 9.892 1.002 1.051
7.5 285 13.72 1.608 1.096
7.5 315 14.6 1.421 1.166
7.5 345 13.95 1.112 1.084
22.5 45 6.906 1.406 0.8611
22.5 75 8.135 1.295 0.8903
22.5 105 11.66 2.281 0.9305
22.5 135 7.112 0.6168 0.8741
22.5 165 5.625 0.6588 0.8461
22.5 195 6.585 0.9294 0.8646
22.5 225 6.651 0.6419 0.8624
22.5 255 9.644 1.766 0.9053
22.5 285 13.53 3.268 1.014
22.5 315 18.04 5.87 1.13
37.5 45 7.948 0.4506 0.8532
37.5 75 9.969 0.5049 0.8904
37.5 105 9.461 1.362 0.9182
37.5 285 10.3 0.492 0.897
37.5 315 8.437 0.508 0.8649
52.5 45 5.854 0.6774 0.577
52.5 75 11.18 1.509 0.6544
52.5 105 8.426 0.9852 0.6429
52.5 135 5.407 0.4335 0.5647
52.5 165 3.014 0.1614 0.5358
52.5 195 2.775 0.1538 0.5276
52.5 225 5.83 0.4173 0.5764
52.5 285 8.538 0.5129 0.625
52.5 315 6.25 0.9594 0.5821
67.5 15 2.048 0.294 0.3555
67.5 45 5.436 0.585 0.4087
67.5 75 8.115 0.7911 0.4751
67.5 105 6.724 0.2686 0.4667
67.5 135 4.666 0.3196 0.4021
67.5 165 2.61 0.1474 0.3675
67.5 195 2.249 0.1335 0.3602
67.5 225 5.464 0.3805 0.4249
67.5 255 6.768 0.2537 0.4636
67.5 285 8.335 1.43 0.4568
67.5 315 4.849 0.6068 0.4043
67.5 345 2.217 0.3522 0.3579
82.5 15 2.454 0.9346 0.2154
82.5 45 3.463 0.5504 0.2951
82.5 75 5.311 0.3341 0.3612
82.5 105 5.448 0.2283 0.3667
82.5 135 3.744 0.2728 0.3274
82.5 165 2.003 0.1569 0.2886
82.5 195 2.009 0.159 0.2861
82.5 225 3.5 0.285 0.3153
82.5 255 5.448 0.2413 0.3767
82.5 285 4.679 0.3149 0.3382
82.5 315 3.121 0.4195 0.2908
82.5 345 3.346 1.632 0.3139
97.5 15 0.8776 0.1361 0.1724
97.5 45 2.035 0.1413 0.1939
97.5 75 3.05 0.251 0.2239
97.5 105 3.685 0.1933 0.2586
97.5 135 2.695 0.3153 0.2218
97.5 165 1.485 0.1409 0.1885
97.5 195 1.465 0.1288 0.1863
97.5 225 3.071 0.2561 0.238
97.5 255 3.718 0.2004 0.2523
97.5 285 3.288 0.2695 0.2509
97.5 315 2.046 0.14 0.1926
97.5 345 1.183 0.2941 0.1791
112.5 15 0.5206 0.08765 0.1502
112.5 45 1.553 0.1372 0.1737
112.5 75 2.413 0.2463 0.1967
112.5 105 2.282 0.1652 0.1938
112.5 135 1.705 0.1504 0.182
112.5 165 1.136 0.1265 0.1626
112.5 195 2.018 0.975 0.1844
112.5 225 1.471 0.1606 0.1663
112.5 255 2.464 0.1503 0.2062
112.5 285 2.05 0.2119 0.1878
112.5 315 1.729 0.1715 0.1754
112.5 345 0.6116 0.1146 0.1504
127.5 15 0.3562 0.06434 0.06074
127.5 45 0.7602 0.09433 0.1063
127.5 75 1.149 0.1241 0.1167
127.5 105 1.437 0.2051 0.1311
127.5 135 1.144 0.1731 0.1239
127.5 195 0.7331 0.1318 0.1015
127.5 225 1.134 0.141 0.1228
127.5 255 1.77 0.2631 0.1387
127.5 285 1.505 0.154 0.1319
127.5 315 0.9314 0.116 0.114
127.5 345 0.5696 0.1505 0.1015
142.5 15 0.2207 0.04963 0.04261
142.5 45 0.4666 0.07593 0.07409
142.5 75 0.7343 0.09002 0.08601
142.5 255 1.719 1.154 0.06048
142.5 285 0.9079 0.127 0.1033
142.5 315 0.6131 0.1394 0.07468
142.5 345 0.4375 0.09089 0.07538
157.5 15 0.2552 0.07236 0.02038
157.5 345 0.3364 0.1075 0.02246