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Measurement E151M2253

Experiment: EG4
Year: 2016

Experiment comment:

Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
Spokesperson: Xiaochao Zheng
Reaction: ep → π+n
Polarization: beam (longitudinal), target (longitudinal)
Quantity: ALL
εL: 0.5084
Q2: 0.4155 GeV2
W: 1445.0 GeV
Ebeam: 2.999 GeV
ε: 0.9154

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.15 54.0 -0.1627 0.8642 0.0322
0.15 66.0 0.229 0.9585 0.0343
0.15 294.0 0.4404 0.8719 0.0438
0.25 66.0 -0.112 0.968 0.0311
0.25 294.0 0.9273 0.7258 0.0736
0.35 294.0 0.66 0.8669 0.0565
0.45 90.0 -0.3289 0.9151 0.0383
0.55 78.0 -0.008 0.6865 0.03
0.55 90.0 1.5041 0.622 0.1131
0.55 102.0 0.6997 0.6936 0.0589
0.55 114.0 0.1245 0.8762 0.0313
0.65 78.0 1.2568 0.5827 0.0959
0.65 90.0 -0.3159 0.684 0.0377
0.65 102.0 0.1934 0.7235 0.0331
0.65 114.0 1.4776 0.746 0.1113
0.65 234.0 2.743 2.743 0.2011
0.65 246.0 -0.2188 0.956 0.0339
0.65 258.0 -0.2581 0.7561 0.0354
0.65 270.0 -0.632 0.7421 0.0548
0.65 282.0 1.5696 0.7868 0.1177
0.75 54.0 -0.0781 0.6539 0.0305
0.75 78.0 0.091 0.6109 0.0307
0.75 90.0 1.0638 0.6096 0.0828
0.75 102.0 0.7557 0.6456 0.0625
0.75 114.0 0.3663 0.7282 0.0401
0.75 126.0 0.2237 0.8715 0.0341
0.75 234.0 0.9739 0.7538 0.0767
0.75 246.0 -0.0685 0.7523 0.0304
0.75 258.0 -0.445 0.6081 0.0441
0.75 270.0 -0.5432 0.5813 0.0495
0.75 282.0 0.4439 0.6989 0.044
0.75 294.0 -0.1835 0.8262 0.0328
0.85 54.0 0.2737 0.8157 0.036
0.85 78.0 1.0914 0.8949 0.0846
0.85 90.0 0.4937 0.6362 0.0467
0.85 102.0 0.0301 0.654 0.0301
0.85 114.0 0.9751 0.8447 0.0768
0.85 198.0 -0.5972 0.9787 0.0527
0.85 210.0 -0.2627 0.8563 0.0355
0.85 222.0 0.9114 0.7965 0.0726
0.85 234.0 0.4348 0.7177 0.0435
0.85 246.0 0.1969 0.6874 0.0332
0.85 258.0 0.7967 0.7139 0.0651
0.85 270.0 1.2975 0.5204 0.0988
0.85 282.0 -0.0874 0.5264 0.0307
0.85 294.0 -0.5643 0.5692 0.0507
0.85 306.0 0.1799 0.5925 0.0327
0.85 318.0 0.386 0.6088 0.041
0.95 234.0 -0.644 0.7516 0.0555
0.95 258.0 2.5866 2.5866 0.1899
0.95 282.0 0.0624 0.6631 0.0303
0.95 294.0 -0.5889 0.5856 0.0522
0.95 306.0 -0.0598 0.6234 0.0303
0.95 318.0 0.6046 0.5604 0.0531
0.95 330.0 0.5376 0.6162 0.0492
0.95 342.0 -0.6418 0.7405 0.0554
Created in SINP MSU, CLAS Collaboration