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Measurement E151M1761

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: 0.3844
Q2: 0.1435 GeV2
W: 1355.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9189

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty syst. uncert.
0.25 66.0 -0.4603 0.666 0.041
0.25 294.0 0.0293 0.6017 0.0301
0.35 66.0 0.0113 0.7483 0.03
0.35 78.0 0.2601 0.6782 0.0339
0.45 78.0 0.6478 0.5691 0.0494
0.45 294.0 -1.1215 0.6191 0.0743
0.55 66.0 0.7692 0.5787 0.0554
0.55 78.0 0.5425 0.7172 0.0445
0.55 282.0 0.0078 0.7228 0.03
0.65 90.0 -0.5886 0.7624 0.0466
0.65 102.0 0.9003 0.6195 0.0623
0.65 114.0 -1.1799 0.6053 0.0775
0.65 246.0 0.2179 0.7272 0.0328
0.65 258.0 -0.1414 0.5697 0.0312
0.65 270.0 0.1601 0.5177 0.0315
0.65 282.0 -0.0126 0.807 0.03
0.75 90.0 -0.1246 0.6126 0.0309
0.75 102.0 0.0395 0.4644 0.0301
0.75 114.0 -0.2738 0.5145 0.0343
0.75 126.0 -0.4012 0.6014 0.0386
0.75 138.0 -0.5709 0.7059 0.0458
0.75 222.0 0.3078 0.6981 0.0353
0.75 234.0 0.5094 0.6588 0.043
0.75 246.0 -0.1287 0.4889 0.031
0.75 258.0 -0.0749 0.4775 0.0303
0.75 270.0 -0.2841 0.5127 0.0346
0.75 282.0 0.8111 0.8051 0.0576
0.75 294.0 0.0668 0.741 0.0303
0.85 90.0 0.699 0.5628 0.0519
0.85 102.0 1.0308 0.4465 0.0693
0.85 114.0 0.1113 0.5108 0.0307
0.85 126.0 -0.0343 0.4717 0.0301
0.85 138.0 1.0472 0.5354 0.0702
0.85 150.0 0.2994 0.7401 0.0351
0.85 162.0 0.2798 0.8395 0.0345
0.85 222.0 -0.906 0.5127 0.0626
0.85 234.0 -0.4621 0.5116 0.041
0.85 246.0 -0.1431 0.5151 0.0312
0.85 258.0 0.3267 0.5104 0.0359
0.85 270.0 -0.3928 0.4063 0.0383
0.85 282.0 -0.2758 0.4063 0.0343
0.85 294.0 1.8399 0.5242 0.1155
0.95 78.0 -0.1315 0.6722 0.031
0.95 102.0 -0.4405 0.667 0.0402
0.95 114.0 -0.413 0.589 0.0391
0.95 126.0 -0.606 0.551 0.0474
0.95 138.0 0.2626 0.6305 0.034
0.95 150.0 -0.5865 0.6399 0.0465
0.95 222.0 0.512 0.5601 0.0432
0.95 234.0 0.6143 0.6008 0.0478
0.95 246.0 -0.3698 0.4994 0.0374
0.95 258.0 -0.2964 0.4646 0.035
0.95 270.0 0.7711 0.4613 0.0555
0.95 282.0 0.6704 0.4264 0.0505
Created in SINP MSU, CLAS Collaboration