CLAS Physics Database

Measurement E141M64

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: 2.6 GeV2
W: 1.775 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.0914 0.0308
-0.9 75.0 0.0843 0.1403
-0.9 225.0 0.0457 0.069
-0.9 255.0 0.2899 0.3162
-0.9 285.0 0.0582 0.0421
-0.7 75.0 0.0789 0.0488
-0.7 105.0 0.1145 0.045
-0.7 135.0 0.1071 0.0366
-0.7 165.0 0.0595 0.0213
-0.7 195.0 0.0885 0.028
-0.7 225.0 0.0763 0.0241
-0.7 255.0 0.0825 0.0188
-0.7 285.0 0.0878 0.0329
-0.7 315.0 0.0622 0.0211
-0.7 345.0 0.0764 0.0324
-0.5 45.0 0.0662 0.0278
-0.5 75.0 0.0893 0.0195
-0.5 105.0 0.1072 0.0225
-0.5 135.0 0.0581 0.0116
-0.5 165.0 0.058 0.0154
-0.5 195.0 0.0669 0.0166
-0.5 225.0 0.0867 0.0198
-0.5 255.0 0.0642 0.016
-0.5 285.0 0.1099 0.0255
-0.5 315.0 0.048 0.0132
-0.3 15.0 0.0804 0.031
-0.3 45.0 0.0669 0.0239
-0.3 75.0 0.1702 0.0373
-0.3 105.0 0.2306 0.0425
-0.3 135.0 0.1241 0.0246
-0.3 165.0 0.1094 0.0179
-0.3 195.0 0.0984 0.0153
-0.3 225.0 0.1138 0.0185
-0.3 255.0 0.1287 0.0222
-0.3 285.0 0.0971 0.0232
-0.1 15.0 0.0656 0.0236
-0.1 45.0 0.1461 0.0443
-0.1 75.0 0.2659 0.0483
-0.1 105.0 0.1853 0.0331
-0.1 135.0 0.165 0.0354
-0.1 165.0 0.1202 0.0182
-0.1 195.0 0.1193 0.0193
-0.1 225.0 0.1873 0.0295
-0.1 255.0 0.1453 0.0258
-0.1 285.0 0.2617 0.0529
0.1 15.0 0.3881 0.306
0.1 45.0 0.2181 0.0472
0.1 75.0 0.3922 0.0605
0.1 105.0 0.4061 0.068
0.1 135.0 0.2479 0.0412
0.1 165.0 0.1073 0.0144
0.1 195.0 0.1381 0.0157
0.1 225.0 0.1738 0.031
0.1 255.0 0.1944 0.0335
0.1 285.0 0.3372 0.0719
0.1 315.0 0.3229 0.0731
0.3 15.0 0.1419 0.0493
0.3 45.0 0.2694 0.0455
0.3 75.0 0.3156 0.0412
0.3 105.0 0.3063 0.0488
0.3 135.0 0.1958 0.0277
0.3 165.0 0.1752 0.019
0.3 195.0 0.1997 0.0207
0.3 225.0 0.2215 0.0328
0.3 255.0 0.19 0.0389
0.3 285.0 0.295 0.0561
0.3 315.0 0.1543 0.026
0.3 345.0 0.3612 0.1347
0.5 15.0 0.0778 0.0267
0.5 45.0 0.2523 0.0423
0.5 75.0 0.2867 0.044
0.5 105.0 0.4924 0.0827
0.5 135.0 0.4084 0.0677
0.5 165.0 0.1511 0.0182
0.5 195.0 0.1317 0.0161
0.5 225.0 0.3311 0.0626
0.5 255.0 0.3072 0.0645
0.5 285.0 0.3929 0.0665
0.5 315.0 0.3126 0.0607
0.5 345.0 0.2512 0.0904
0.7 15.0 0.1686 0.0284
0.7 45.0 0.3155 0.0501
0.7 75.0 0.3322 0.0512
0.7 105.0 0.4443 0.0661
0.7 135.0 0.3632 0.0584
0.7 165.0 0.3953 0.0594
0.7 195.0 0.4397 0.071
0.7 225.0 0.4682 0.0904
0.7 255.0 0.4601 0.0846
0.7 285.0 0.2561 0.0407
0.7 315.0 0.3168 0.0605
0.7 345.0 0.1956 0.033
0.9 15.0 0.389 0.0427
0.9 45.0 0.3898 0.047
0.9 75.0 0.4463 0.0518
0.9 105.0 0.7013 0.0805
0.9 135.0 0.6565 0.0812
0.9 165.0 0.8405 0.0906
0.9 195.0 0.7876 0.0906
0.9 225.0 0.7803 0.0874
0.9 255.0 0.5535 0.0693
0.9 285.0 0.3406 0.0401
0.9 315.0 0.4213 0.048
0.9 345.0 0.3686 0.0417