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Measurement E151M1800

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: 0.0728
Q2: 0.0348 GeV2
W: 1445.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9175

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 66.0 2.12 0.6164
0.25 78.0 0.0412 0.8186
0.25 294.0 -1.6243 0.6937
0.35 54.0 0.7629 0.7077
0.35 66.0 1.2769 0.5347
0.35 78.0 -0.0263 0.5687
0.35 90.0 0.166 0.7873
0.35 270.0 -0.1272 0.7391
0.35 282.0 0.1646 0.5502
0.35 294.0 -0.638 0.5624
0.45 66.0 -0.8569 0.5835
0.45 78.0 0.1357 0.4845
0.45 90.0 -0.4172 0.6744
0.45 258.0 -0.5137 0.7702
0.45 270.0 0.5796 0.5186
0.45 282.0 -0.2575 0.4858
0.45 294.0 -0.3028 0.5283
0.45 306.0 -0.3835 0.6952
0.45 330.0 -0.0244 0.8243
0.55 66.0 -0.726 0.7381
0.55 78.0 -0.3145 0.5312
0.55 90.0 -0.887 0.5606
0.55 102.0 1.7691 0.5705
0.55 114.0 0.0899 0.7558
0.55 126.0 0.4681 0.6667
0.55 138.0 0.3759 0.7983
0.55 222.0 0.894 0.6686
0.55 234.0 -0.5027 0.6241
0.55 246.0 0.0007 0.624
0.55 258.0 -0.5972 0.6763
0.55 270.0 0.5586 0.5299
0.55 282.0 -0.1549 0.4523
0.55 294.0 0.4983 0.5374
0.65 66.0 0.0431 0.7111
0.65 78.0 0.8683 0.612
0.65 90.0 1.3177 0.7534
0.65 102.0 -0.2036 0.8567
0.65 114.0 -0.4494 0.6326
0.65 126.0 -0.5024 0.4948
0.65 138.0 0.933 0.5789
0.65 150.0 -0.3228 0.7512
0.65 198.0 0.1062 0.7434
0.65 210.0 0.2649 0.6993
0.65 222.0 0.5711 0.4952
0.65 234.0 0.0727 0.5264
0.65 246.0 0.7117 0.6242
0.65 258.0 -0.003 0.5867
0.65 270.0 0.4418 0.6274
0.65 282.0 0.9599 0.6398
0.65 294.0 0.3089 0.6827
0.75 66.0 -0.2302 0.8653
0.75 78.0 0.3685 0.5995
0.75 102.0 1.2039 0.8163
0.75 114.0 0.6451 0.5671
0.75 126.0 -0.4361 0.4861
0.75 138.0 0.6778 0.5507
0.75 150.0 -0.0076 0.6502
0.75 162.0 0.2865 0.8092
0.75 198.0 -1.118 0.6561
0.75 210.0 -0.9894 0.5656
0.75 222.0 0.0384 0.5409
0.75 234.0 0.1712 0.4267
0.75 246.0 0.7273 0.5776
0.75 258.0 -1.36 0.6873
0.75 282.0 0.3756 0.5812
0.75 294.0 -1.4074 0.682
0.85 102.0 -0.6152 0.7509
0.85 114.0 1.1154 0.6631
0.85 126.0 0.8256 0.7494
0.85 138.0 -1.5066 0.6441
0.85 150.0 -0.0391 0.8239
0.85 198.0 1.3382 0.7736
0.85 210.0 -0.6209 0.6092
0.85 222.0 -0.2511 0.4917
0.85 234.0 -0.0206 0.491
0.85 246.0 0.3576 0.5262
0.85 258.0 -0.4571 0.6908
0.95 222.0 -0.1708 0.6475
0.95 246.0 0.2815 0.7559
Created in SINP MSU, CLAS Collaboration