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Measurement E141M102

Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS
Year: 2014

Experiment comment:

polarization of electron beam : ~80%
Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan
Reaction: ep → π+n
Polarization: beam
Quantity: dσ/dΩ
Q2: 4.0 GeV2
W: 1.695 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 45.0 0.0624 0.0149 0.004
-0.9 75.0 0.1004 0.0229 0.0088
-0.9 105.0 0.0974 0.0216 0.0085
-0.9 135.0 0.052 0.0158 0.0031
-0.9 255.0 0.0889 0.0224 0.0075
-0.9 285.0 0.0798 0.0253 0.0127
-0.9 315.0 0.0327 0.0104 0.0025
-0.7 45.0 0.0932 0.0251 0.0076
-0.7 75.0 0.0861 0.0303 0.0069
-0.7 105.0 0.1044 0.0275 0.007
-0.7 135.0 0.1204 0.0346 0.0088
-0.7 165.0 0.0985 0.0238 0.0113
-0.7 195.0 0.0805 0.0182 0.0071
-0.7 255.0 0.0964 0.0228 0.0054
-0.7 285.0 0.1098 0.0282 0.0102
-0.7 315.0 0.0298 0.0098 0.0025
-0.5 15.0 0.1604 0.0485 0.0191
-0.5 45.0 0.137 0.0456 0.0116
-0.5 75.0 0.1906 0.0452 0.0141
-0.5 105.0 0.2196 0.0491 0.0104
-0.5 195.0 0.1212 0.027 0.0183
-0.5 225.0 0.1585 0.0346 0.0121
-0.5 255.0 0.1983 0.0413 0.0089
-0.5 285.0 0.2369 0.0594 0.0207
-0.5 315.0 0.1109 0.0321 0.0087
-0.3 15.0 0.0388 0.0142 0.0029
-0.3 75.0 0.2917 0.071 0.0208
-0.3 105.0 0.226 0.0445 0.0078
-0.3 135.0 0.1863 0.0352 0.0107
-0.3 165.0 0.1847 0.0338 0.0231
-0.3 195.0 0.1808 0.0317 0.0193
-0.3 225.0 0.2002 0.0432 0.0117
-0.3 255.0 0.1686 0.0318 0.0058
-0.3 285.0 0.2151 0.0689 0.0104
-0.3 345.0 0.0697 0.0343 0.0054
-0.1 15.0 0.9522 0.6889 0.0499
-0.1 45.0 0.2078 0.0633 0.008
-0.1 75.0 0.2794 0.0637 0.0139
-0.1 105.0 0.3091 0.0587 0.0083
-0.1 135.0 0.1608 0.0302 0.0069
-0.1 165.0 0.1697 0.0319 0.0073
-0.1 195.0 0.2238 0.0347 0.0128
-0.1 225.0 0.2982 0.0559 0.0094
-0.1 255.0 0.2143 0.0549 0.0093
-0.1 285.0 0.2022 0.0545 0.013
0.1 45.0 0.1262 0.0311 0.0037
0.1 75.0 0.2216 0.0421 0.0169
0.1 105.0 0.2248 0.0533 0.004
0.1 135.0 0.1405 0.0302 0.0051
0.1 165.0 0.0667 0.012 0.0042
0.1 195.0 0.069 0.0114 0.0022
0.1 225.0 0.1055 0.023 0.0017
0.1 255.0 0.2313 0.0584 0.0043
0.1 285.0 0.2067 0.0499 0.012
0.1 315.0 0.1041 0.0253 0.0029
0.3 45.0 0.1686 0.029 0.0037
0.3 75.0 0.2516 0.0407 0.0081
0.3 105.0 0.3028 0.049 0.009
0.3 135.0 0.1886 0.0431 0.0115
0.3 165.0 0.1226 0.0189 0.001
0.3 195.0 0.0781 0.0129 0.0095
0.3 225.0 0.2375 0.0773 0.0357
0.3 255.0 0.2339 0.052 0.0133
0.3 285.0 0.2028 0.0443 0.0042
0.3 315.0 0.2471 0.0562 0.0057
0.5 15.0 0.1012 0.037 0.0027
0.5 45.0 0.2166 0.0459 0.0044
0.5 75.0 0.2973 0.0566 0.0043
0.5 105.0 0.2435 0.0521 0.0156
0.5 135.0 0.282 0.0656 0.0078
0.5 165.0 0.198 0.0368 0.0119
0.5 195.0 0.207 0.0429 0.0108
0.5 225.0 0.2585 0.0605 0.009
0.5 255.0 0.3433 0.0715 0.0239
0.5 285.0 0.2478 0.0526 0.0045
0.5 315.0 0.2571 0.0744 0.0351
0.7 15.0 0.2524 0.0666 0.003
0.7 45.0 0.2223 0.0468 0.0197
0.7 75.0 0.398 0.0741 0.0076
0.7 105.0 0.3468 0.065 0.0188
0.7 135.0 0.4201 0.0966 0.0075
0.7 165.0 0.1991 0.0339 0.0082
0.7 195.0 0.2428 0.0508 0.015
0.7 225.0 0.2816 0.0552 0.024
0.7 255.0 0.3893 0.0647 0.0164
0.7 285.0 0.4844 0.0895 0.0525
0.7 315.0 0.2588 0.0622 0.011
0.7 345.0 0.2249 0.0473 0.0159
0.9 15.0 0.3397 0.0545 0.0095
0.9 45.0 0.3594 0.0547 0.0086
0.9 75.0 0.3648 0.0671 0.0084
0.9 105.0 0.3687 0.0605 0.009
0.9 135.0 0.2968 0.0436 0.0482
0.9 165.0 0.2767 0.0403 0.0125
0.9 195.0 0.305 0.0463 0.0107
0.9 225.0 0.2231 0.0398 0.0097
0.9 255.0 0.4505 0.0852 0.0597
0.9 285.0 0.3905 0.0772 0.0225
0.9 315.0 0.2283 0.0353 0.0044
0.9 345.0 0.3875 0.0538 0.0175
Created in SINP MSU, CLAS Collaboration