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Measurement E141M109

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: 1.765 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 105.0 0.4929 0.2917 0.0561
-0.9 165.0 0.0299 0.0461 0.0106
-0.9 255.0 0.1068 0.1381 0.0257
-0.9 285.0 0.5571 0.4947 0.0757
-0.9 315.0 0.5975 0.5264 0.0688
-0.7 15.0 0.5505 0.3426 0.0446
-0.7 45.0 0.7083 0.4502 0.0665
-0.7 75.0 0.7584 0.47 0.1086
-0.7 105.0 0.4474 0.2333 0.0475
-0.7 135.0 0.4396 0.176 0.0457
-0.7 165.0 0.482 0.1958 0.059
-0.7 195.0 0.2639 0.1424 0.0321
-0.7 225.0 0.0762 0.0756 0.0118
-0.7 255.0 0.4014 0.2004 0.0445
-0.7 285.0 0.4841 0.334 0.0616
-0.7 345.0 1.2144 0.7571 0.114
-0.5 15.0 1.3007 0.9175 0.066
-0.5 45.0 1.1447 0.5327 0.0835
-0.5 75.0 0.2059 0.1418 0.0196
-0.5 105.0 0.0723 0.023 0.0072
-0.5 135.0 0.0622 0.0241 0.0077
-0.5 165.0 0.0508 0.0157 0.0059
-0.5 195.0 0.0584 0.017 0.0049
-0.5 225.0 0.2636 0.1387 0.0223
-0.5 285.0 0.2447 0.1712 0.0203
-0.5 315.0 1.569 0.9761 0.0976
-0.3 15.0 0.3106 0.2067 0.0103
-0.3 45.0 0.075 0.0287 0.0041
-0.3 75.0 0.0869 0.0289 0.006
-0.3 105.0 0.0868 0.0212 0.007
-0.3 135.0 0.1282 0.0274 0.0154
-0.3 165.0 0.0751 0.0167 0.006
-0.3 195.0 0.0694 0.0163 0.0055
-0.3 225.0 0.0656 0.0163 0.0051
-0.3 255.0 0.0712 0.0208 0.0065
-0.1 15.0 0.2476 0.1445 0.0095
-0.1 45.0 0.632 0.3298 0.0394
-0.1 75.0 0.1573 0.0362 0.0132
-0.1 105.0 0.1067 0.0223 0.0084
-0.1 135.0 0.0704 0.0194 0.0054
-0.1 165.0 0.0808 0.0158 0.0084
-0.1 195.0 0.1276 0.0408 0.01
-0.1 225.0 0.0474 0.0142 0.0065
-0.1 255.0 0.0798 0.0265 0.0064
-0.1 285.0 0.0756 0.0258 0.0055
-0.1 315.0 1.0076 0.5288 0.0609
-0.1 345.0 0.6301 0.5889 0.0243
0.1 45.0 0.0863 0.0243 0.0046
0.1 75.0 0.1314 0.0239 0.0095
0.1 105.0 0.1601 0.0403 0.0149
0.1 135.0 0.1187 0.032 0.0076
0.1 165.0 0.0708 0.0139 0.0122
0.1 195.0 0.064 0.012 0.0064
0.1 225.0 0.1389 0.0422 0.0089
0.1 255.0 0.1703 0.0508 0.0122
0.3 45.0 0.0865 0.0213 0.0047
0.3 75.0 0.1613 0.032 0.0115
0.3 105.0 0.0808 0.0171 0.0056
0.3 135.0 0.1327 0.0348 0.0069
0.3 165.0 0.1007 0.016 0.0125
0.3 195.0 0.0765 0.0133 0.0042
0.3 225.0 0.1527 0.0361 0.0136
0.3 255.0 0.1171 0.0276 0.0108
0.3 285.0 0.1224 0.0297 0.0089
0.3 315.0 0.0987 0.0227 0.0054
0.5 15.0 0.816 0.5871 0.0541
0.5 45.0 0.1935 0.0536 0.011
0.5 75.0 0.2284 0.0557 0.0839
0.5 105.0 0.156 0.036 0.0103
0.5 135.0 0.112 0.0277 0.0046
0.5 165.0 0.1426 0.0274 0.0061
0.5 195.0 0.1409 0.0296 0.0131
0.5 225.0 0.1546 0.0349 0.0215
0.5 255.0 0.1622 0.0402 0.0094
0.5 285.0 0.1312 0.0345 0.0097
0.5 315.0 0.2231 0.0682 0.0124
0.7 15.0 0.1306 0.0383 0.0176
0.7 45.0 0.1532 0.044 0.0195
0.7 75.0 0.2837 0.0573 0.0152
0.7 105.0 0.2603 0.0626 0.02
0.7 135.0 0.2356 0.0473 0.0162
0.7 165.0 0.1551 0.0261 0.0075
0.7 195.0 0.1053 0.0221 0.0044
0.7 225.0 0.1208 0.031 0.0051
0.7 255.0 0.1902 0.0572 0.0125
0.7 285.0 0.214 0.0831 0.0117
0.7 315.0 0.2684 0.0614 0.0179
0.7 345.0 0.0627 0.0225 0.0051
0.9 15.0 0.2959 0.0528 0.002
0.9 45.0 0.1826 0.0342 0.0102
0.9 75.0 0.3767 0.0595 0.0172
0.9 105.0 0.2914 0.0745 0.0107
0.9 135.0 0.2868 0.0444 0.0106
0.9 165.0 0.2807 0.0443 0.0251
0.9 195.0 0.3261 0.0835 0.0388
0.9 225.0 0.2998 0.05 0.0179
0.9 255.0 0.3765 0.0626 0.0177
0.9 285.0 0.2883 0.0541 0.0085
0.9 315.0 0.1555 0.0285 0.0191
0.9 345.0 0.2946 0.0532 0.0051
Created in SINP MSU, CLAS Collaboration