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Measurement E141M4

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: 1.8 GeV2
W: 1.635 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 1.3288 0.1762
-0.9 45.0 1.0153 0.1328
-0.9 75.0 1.1527 0.1661
-0.9 105.0 0.8935 0.1385
-0.9 135.0 0.9274 0.1442
-0.9 165.0 0.6221 0.1284
-0.9 195.0 0.8487 0.3075
-0.9 225.0 0.9116 0.1441
-0.9 255.0 0.7218 0.1212
-0.9 285.0 0.9082 0.1429
-0.9 315.0 1.1409 0.145
-0.9 345.0 1.3922 0.1802
-0.7 15.0 0.9934 0.1807
-0.7 45.0 1.2001 0.1479
-0.7 75.0 1.1485 0.1384
-0.7 105.0 0.9657 0.1012
-0.7 135.0 0.8014 0.0944
-0.7 165.0 0.7364 0.0959
-0.7 195.0 0.7148 0.1032
-0.7 225.0 0.9152 0.1049
-0.7 255.0 1.1962 0.1227
-0.7 285.0 1.0633 0.1377
-0.7 315.0 1.041 0.1184
-0.7 345.0 1.1078 0.1825
-0.5 15.0 0.6604 0.1159
-0.5 45.0 1.2265 0.1675
-0.5 75.0 1.6812 0.1846
-0.5 105.0 1.7888 0.1537
-0.5 135.0 1.1565 0.1129
-0.5 165.0 0.8389 0.0952
-0.5 195.0 0.9682 0.1003
-0.5 225.0 1.1415 0.1191
-0.5 255.0 1.5551 0.143
-0.5 285.0 1.4837 0.1664
-0.5 315.0 1.2207 0.1476
-0.5 345.0 0.7378 0.171
-0.3 15.0 0.678 0.1179
-0.3 45.0 1.1308 0.1835
-0.3 75.0 1.404 0.1453
-0.3 105.0 1.5181 0.1396
-0.3 135.0 1.3301 0.1277
-0.3 165.0 1.0085 0.0942
-0.3 195.0 1.0486 0.0904
-0.3 225.0 1.0918 0.1039
-0.3 255.0 1.3385 0.1226
-0.3 285.0 1.4197 0.1471
-0.3 315.0 1.1818 0.215
-0.3 345.0 0.4019 0.0813
-0.1 15.0 0.5737 0.0911
-0.1 45.0 1.1811 0.1833
-0.1 75.0 1.3765 0.1407
-0.1 105.0 1.4455 0.1362
-0.1 135.0 1.1467 0.1156
-0.1 165.0 1.2216 0.0931
-0.1 195.0 1.2626 0.099
-0.1 225.0 1.2467 0.1195
-0.1 255.0 1.2712 0.117
-0.1 285.0 1.2181 0.128
-0.1 345.0 0.6653 0.1454
0.1 15.0 0.6412 0.2834
0.1 45.0 1.1474 0.1389
0.1 75.0 1.613 0.1443
0.1 105.0 1.66 0.1479
0.1 165.0 1.1106 0.0854
0.1 195.0 1.2306 0.0962
0.1 225.0 1.1072 0.1175
0.1 255.0 1.2365 0.1081
0.1 285.0 1.5 0.1464
0.1 315.0 1.2734 0.2034
0.1 345.0 0.1779 0.0519
0.3 15.0 0.6108 0.0843
0.3 45.0 1.2075 0.0863
0.3 75.0 1.842 0.1315
0.3 105.0 1.4635 0.1149
0.3 135.0 1.4253 0.1162
0.3 165.0 1.16 0.0885
0.3 195.0 1.198 0.0919
0.3 225.0 1.4423 0.1243
0.3 255.0 1.29 0.108
0.3 285.0 1.3611 0.122
0.3 315.0 1.2223 0.1043
0.3 345.0 0.9857 0.138
0.5 15.0 0.9642 0.1258
0.5 45.0 1.1373 0.0922
0.5 75.0 2.1942 0.1787
0.5 105.0 2.2335 0.2017
0.5 165.0 1.1388 0.093
0.5 195.0 1.2616 0.0992
0.5 225.0 1.6607 0.1489
0.5 255.0 2.2183 0.2278
0.5 285.0 2.0278 0.2298
0.5 315.0 1.211 0.114
0.5 345.0 0.8473 0.1222
0.7 15.0 0.8748 0.0706
0.7 45.0 1.7088 0.1357
0.7 75.0 2.604 0.203
0.7 105.0 2.9029 0.2852
0.7 135.0 1.9661 0.1657
0.7 165.0 1.2581 0.0967
0.7 195.0 1.3008 0.103
0.7 225.0 1.9202 0.1675
0.7 255.0 2.7144 0.2786
0.7 285.0 2.6795 0.2635
0.7 315.0 1.4739 0.1326
0.7 345.0 0.9758 0.0811
0.9 15.0 1.4034 0.089
0.9 45.0 1.4215 0.0958
0.9 75.0 1.6514 0.1195
0.9 105.0 1.8583 0.1457
0.9 135.0 1.8416 0.1607
0.9 165.0 1.4467 0.1293
0.9 195.0 1.5146 0.138
0.9 225.0 1.7921 0.1558
0.9 255.0 2.0269 0.1577
0.9 285.0 1.6039 0.1182
0.9 315.0 1.5786 0.1032
0.9 345.0 1.3073 0.0824
Created in SINP MSU, CLAS Collaboration