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Measurement E141M14

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: 1.735 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
-0.9 15.0 0.4251 0.0693 0.0308
-0.9 45.0 0.5108 0.073 0.0337
-0.9 75.0 0.3611 0.0741 0.0656
-0.9 105.0 0.345 0.0613 0.0409
-0.9 135.0 0.359 0.078 0.0481
-0.9 165.0 0.257 0.0894 0.0924
-0.9 195.0 0.3583 0.1258 0.1534
-0.9 225.0 0.3888 0.0814 0.0505
-0.9 255.0 0.3554 0.0693 0.0482
-0.9 285.0 0.4454 0.076 0.0645
-0.9 315.0 0.3537 0.0522 0.0237
-0.9 345.0 0.3911 0.0634 0.0332
-0.7 15.0 0.2651 0.0428 0.0249
-0.7 45.0 0.3352 0.0438 0.0113
-0.7 75.0 0.3622 0.0518 0.0171
-0.7 105.0 0.2313 0.0271 0.0096
-0.7 135.0 0.1639 0.0244 0.0046
-0.7 165.0 0.1555 0.0305 0.0138
-0.7 195.0 0.1464 0.0251 0.0094
-0.7 225.0 0.2004 0.0283 0.0061
-0.7 255.0 0.3068 0.0376 0.0117
-0.7 285.0 0.2797 0.0384 0.0118
-0.7 315.0 0.2861 0.0384 0.0118
-0.7 345.0 0.2607 0.0402 0.0122
-0.5 15.0 0.2984 0.059 0.0095
-0.5 45.0 0.4206 0.0563 0.0107
-0.5 75.0 0.4722 0.0536 0.01
-0.5 105.0 0.4134 0.0383 0.0064
-0.5 135.0 0.4119 0.0451 0.005
-0.5 165.0 0.2697 0.0327 0.0068
-0.5 195.0 0.2781 0.0303 0.005
-0.5 225.0 0.3944 0.0477 0.0136
-0.5 255.0 0.3568 0.0348 0.0073
-0.5 285.0 0.4132 0.0477 0.0166
-0.5 315.0 0.3374 0.0501 0.0083
-0.5 345.0 0.281 0.0589 0.009
-0.3 15.0 0.2503 0.0549 0.0058
-0.3 45.0 0.4938 0.0774 0.0155
-0.3 75.0 0.7875 0.0779 0.0298
-0.3 105.0 0.6682 0.0583 0.0233
-0.3 135.0 0.4975 0.0507 0.0105
-0.3 165.0 0.3685 0.0328 0.005
-0.3 195.0 0.3912 0.0372 0.0083
-0.3 225.0 0.4561 0.0455 0.0154
-0.3 255.0 0.6349 0.0568 0.0216
-0.3 285.0 0.5608 0.0563 0.0206
-0.3 315.0 0.725 0.1099 0.0166
-0.1 15.0 0.4109 0.0612 0.0138
-0.1 45.0 0.6031 0.0817 0.0255
-0.1 75.0 1.0578 0.0955 0.0627
-0.1 105.0 1.041 0.0956 0.0732
-0.1 135.0 0.7787 0.0797 0.0406
-0.1 165.0 0.5578 0.0426 0.0165
-0.1 195.0 0.542 0.0407 0.0111
-0.1 225.0 0.6898 0.0679 0.0418
-0.1 255.0 0.7908 0.0672 0.0513
-0.1 285.0 0.9955 0.0937 0.0569
0.1 15.0 0.2383 0.0509 0.0178
0.1 45.0 0.7436 0.0807 0.0426
0.1 75.0 1.2068 0.0991 0.0858
0.1 105.0 0.9896 0.0813 0.0812
0.1 135.0 0.849 0.0827 0.0635
0.1 165.0 0.5884 0.047 0.0225
0.1 195.0 0.5727 0.0435 0.0241
0.1 225.0 0.7432 0.076 0.0522
0.1 255.0 0.851 0.0702 0.0679
0.1 285.0 1.0335 0.0967 0.0696
0.1 315.0 0.9118 0.1334 0.0656
0.1 345.0 0.2088 0.0589 0.0106
0.3 15.0 0.3091 0.0482 0.0171
0.3 45.0 0.6776 0.0511 0.0417
0.3 105.0 0.9843 0.0731 0.0849
0.3 135.0 0.823 0.0637 0.0673
0.3 165.0 0.4846 0.0348 0.0226
0.3 195.0 0.5677 0.0407 0.0269
0.3 225.0 0.7378 0.0634 0.0603
0.3 255.0 0.9705 0.0768 0.0832
0.3 285.0 1.2652 0.104 0.097
0.3 315.0 0.5972 0.0511 0.0369
0.3 345.0 0.4782 0.0975 0.0243
0.5 15.0 0.314 0.0397 0.0188
0.5 45.0 0.6824 0.0514 0.0505
0.5 75.0 1.4793 0.1145 0.1281
0.5 105.0 1.5331 0.1418 0.1449
0.5 135.0 0.9044 0.0787 0.0848
0.5 165.0 0.6323 0.0486 0.0397
0.5 195.0 0.6024 0.0471 0.0486
0.5 225.0 0.7871 0.0675 0.0703
0.5 255.0 1.279 0.1468 0.1204
0.5 285.0 1.2216 0.1191 0.1165
0.5 315.0 0.7282 0.0635 0.0559
0.5 345.0 0.2773 0.0396 0.0161
0.7 15.0 0.3688 0.0319 0.0194
0.7 45.0 0.6041 0.0554 0.0411
0.7 75.0 1.1073 0.087 0.089
0.7 105.0 1.489 0.1408 0.1448
0.7 135.0 1.384 0.1303 0.1175
0.7 165.0 0.9368 0.0821 0.06
0.7 195.0 0.9072 0.0774 0.065
0.7 225.0 1.1865 0.1074 0.1015
0.7 255.0 1.3563 0.1505 0.1291
0.7 285.0 1.1387 0.1107 0.0882
0.7 345.0 0.3665 0.0313 0.0182
0.9 15.0 0.7526 0.0479 0.0249
0.9 45.0 0.7797 0.0532 0.0202
0.9 75.0 0.9638 0.0644 0.0225
0.9 105.0 1.0104 0.0715 0.0438
0.9 135.0 1.1412 0.0847 0.0618
0.9 165.0 1.3262 0.1071 0.0628
0.9 195.0 1.1157 0.0881 0.0465
0.9 225.0 1.2202 0.09 0.0618
0.9 255.0 1.0976 0.0771 0.0421
0.9 285.0 0.9911 0.0665 0.0302
0.9 315.0 0.8276 0.0553 0.0225
0.9 345.0 0.7549 0.05 0.0207
Created in SINP MSU, CLAS Collaboration