CLAS Physics Database

Measurement E141M160

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: 2.01 GeV
Ebeam: 5.499 GeV
Publication:

Slice: cos(θ) =

Measurement data
cos(θ) φ, [degree] dσ/dΩ, [μb/rad] uncertainty syst. uncert.
0.775 176.25 0.1161 0.0594 0.0104
0.825 116.25 0.1437 0.0752 0.018
0.825 198.75 0.1254 0.0651 0.0219
0.825 206.25 0.1079 0.05 0.0118
0.825 236.25 0.1066 0.0608 0.0237
0.875 108.75 0.1383 0.0757 0.0304
0.875 123.75 0.1101 0.06 0.0083
0.875 131.25 0.1032 0.0437 0.0151
0.875 161.25 0.1549 0.0778 0.0194
0.875 168.75 0.1324 0.0723 0.0221
0.875 183.75 0.1321 0.0607 0.0215
0.925 146.25 0.1012 0.0626 0.0117
0.925 176.25 0.102 0.0576 0.0127
0.975 56.25 0.1134 0.0723 0.0345
0.975 93.75 0.1042 0.0701 0.0262
0.975 101.25 0.2017 0.1299 0.0462
0.975 146.25 0.2002 0.1168 0.0684
0.975 153.75 0.2503 0.1608 0.0667
0.975 206.25 0.2472 0.1423 0.0564
0.975 213.75 0.1012 0.0409 0.0138
0.975 228.75 0.1199 0.0643 0.0417
0.975 266.25 0.1578 0.0935 0.0189
0.975 273.75 0.2346 0.1503 0.0505
0.975 348.75 0.125 0.0774 0.0074