CLAS Physics Database

Measurement E141M60

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: 1.735 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty
-0.9 15.0 0.162 0.0417
-0.9 45.0 0.1666 0.0318
-0.9 75.0 0.1873 0.0964
-0.9 105.0 0.2193 0.05
-0.9 135.0 0.1931 0.056
-0.9 165.0 0.1377 0.047
-0.9 195.0 0.0569 0.0202
-0.9 225.0 0.1064 0.0322
-0.9 255.0 0.047 0.0145
-0.9 285.0 0.1277 0.0344
-0.9 315.0 0.1506 0.0275
-0.9 345.0 0.1447 0.0265
-0.7 15.0 0.0622 0.019
-0.7 45.0 0.1695 0.0262
-0.7 75.0 0.154 0.0281
-0.7 105.0 0.1845 0.0302
-0.7 135.0 0.1693 0.0308
-0.7 165.0 0.1075 0.0249
-0.7 195.0 0.1507 0.0306
-0.7 225.0 0.1434 0.0265
-0.7 255.0 0.1602 0.0244
-0.7 285.0 0.1606 0.0288
-0.7 315.0 0.1618 0.0325
-0.7 345.0 0.0847 0.0199
-0.5 15.0 0.0476 0.0117
-0.5 45.0 0.1412 0.0268
-0.5 75.0 0.1641 0.0253
-0.5 105.0 0.2018 0.0284
-0.5 135.0 0.132 0.0204
-0.5 165.0 0.1241 0.0192
-0.5 195.0 0.141 0.0241
-0.5 225.0 0.1599 0.0248
-0.5 255.0 0.1564 0.0213
-0.5 285.0 0.2029 0.0327
-0.5 315.0 0.0935 0.0231
-0.3 15.0 0.1498 0.0411
-0.3 45.0 0.1457 0.0316
-0.3 75.0 0.2938 0.0481
-0.3 105.0 0.3729 0.0519
-0.3 135.0 0.2279 0.0304
-0.3 165.0 0.2082 0.0256
-0.3 195.0 0.1963 0.0254
-0.3 225.0 0.2144 0.0324
-0.3 255.0 0.2339 0.0313
-0.3 285.0 0.2031 0.0294
-0.1 15.0 0.116 0.0331
-0.1 45.0 0.262 0.054
-0.1 75.0 0.4367 0.0568
-0.1 105.0 0.3332 0.0395
-0.1 135.0 0.2977 0.0405
-0.1 165.0 0.2074 0.0228
-0.1 195.0 0.2139 0.0234
-0.1 225.0 0.3022 0.0389
-0.1 255.0 0.273 0.0307
-0.1 285.0 0.4277 0.0633
-0.1 315.0 0.5443 0.1384
0.1 45.0 0.3498 0.0534
0.1 75.0 0.6136 0.0774
0.1 105.0 0.5972 0.0813
0.1 135.0 0.3923 0.0553
0.1 165.0 0.1936 0.0208
0.1 195.0 0.2394 0.0256
0.1 225.0 0.3145 0.0367
0.1 255.0 0.3268 0.0447
0.1 285.0 0.5303 0.0793
0.1 315.0 0.4842 0.0905
0.3 15.0 0.2296 0.0496
0.3 45.0 0.4213 0.0476
0.3 75.0 0.5222 0.0549
0.3 105.0 0.5138 0.0664
0.3 135.0 0.3366 0.0373
0.3 165.0 0.2853 0.0255
0.3 195.0 0.3254 0.0307
0.3 225.0 0.3453 0.0421
0.3 255.0 0.3295 0.0466
0.3 285.0 0.4882 0.0648
0.3 315.0 0.283 0.0328
0.3 345.0 0.5297 0.1576
0.5 15.0 0.1518 0.0285
0.5 45.0 0.4087 0.0615
0.5 75.0 0.4739 0.0587
0.5 105.0 0.7804 0.1119
0.5 135.0 0.5957 0.0853
0.5 165.0 0.2373 0.0246
0.5 195.0 0.2107 0.0224
0.5 225.0 0.4871 0.0693
0.5 255.0 0.5168 0.0835
0.5 285.0 0.6388 0.0948
0.5 315.0 0.4625 0.0744
0.5 345.0 0.3732 0.0822
0.7 15.0 0.2941 0.0371
0.7 45.0 0.4928 0.0648
0.7 75.0 0.5602 0.0688
0.7 105.0 0.7188 0.0942
0.7 135.0 0.5923 0.0849
0.7 165.0 0.6086 0.0841
0.7 195.0 0.6416 0.0827
0.7 225.0 0.7078 0.1189
0.7 255.0 0.7072 0.1072
0.7 285.0 0.4503 0.057
0.7 315.0 0.4894 0.0765
0.7 345.0 0.307 0.0448
0.9 15.0 0.6402 0.0649
0.9 45.0 0.572 0.0639
0.9 75.0 0.6626 0.074
0.9 105.0 1.0071 0.1047
0.9 135.0 0.9374 0.1054
0.9 165.0 1.2131 0.1408
0.9 195.0 1.1376 0.1339
0.9 225.0 1.1277 0.1268
0.9 255.0 0.8062 0.092
0.9 285.0 0.5478 0.0604
0.9 315.0 0.6211 0.0673
0.9 345.0 0.6113 0.0649