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Measurement E141M160

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Experiment: Measurement of ep→e′nπ+ at 1.6<W<2.0 GeV and extraction of nucleon resonance electrocoupling at CLAS, 2014

Spokespersons: K. Park, V.D. Burkert, I.G. Aznauryan

Experiment comment: polarization of electron beam : ~80%

Publication:

Quantity measured: dσ/dΩ, mcbn/rad
Differential cross section.
Beam: e, polarization: polarized
Target: p (Z=1, A=1), polarization: none
Final state: π+n, polarization: none

Q2 : 4 GeV2
W : 2.01 GeV
Ebeam : 5.499 GeV

Select data slice:
cos(θ) =
Observable quantity measured (Y axis): dσ/dΩ, mcbn/rad
Plot measurement data

Parameter (X axis): φ, degree

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Measured data:

cos(θ) φ,
degree 		dσ/dΩ,
mcbn/rad 		Data errors,
mcbn/rad 		Systematic errors,
mcbn/rad
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