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Measurement E151M1573

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: 0.0384
Q2: 0.0205 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.8022

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 30.0 0.2457 0.7001
0.25 42.0 -1.2724 0.7454
0.35 30.0 -1.1969 0.657
0.35 42.0 0.1619 0.6209
0.45 18.0 0.6621 0.8414
0.45 30.0 0.4476 0.6747
0.45 42.0 -1.079 0.7149
0.45 222.0 -0.3032 0.7574
0.45 234.0 0.1928 0.8898
0.55 18.0 -0.2151 0.8283
0.55 30.0 -1.2438 0.7235
0.55 42.0 0.4712 0.6201
0.55 126.0 -1.0637 0.7138
0.55 138.0 0.0447 0.6779
0.55 150.0 -0.4616 0.763
0.55 198.0 -1.5477 0.8623
0.55 210.0 1.6164 0.7664
0.55 222.0 0.9602 0.606
0.55 234.0 0.2038 0.6092
0.55 246.0 -1.2398 0.7373
0.55 258.0 0.8899 0.86
0.65 114.0 -2.2687 0.792
0.65 126.0 -0.1182 0.6823
0.65 138.0 0.1936 0.5949
0.65 150.0 -1.323 0.5915
0.65 162.0 -0.8209 0.7615
0.65 198.0 0.2736 0.9574
0.65 210.0 0.2438 0.7707
0.65 222.0 -0.2779 0.5633
0.65 234.0 -0.5763 0.5486
0.65 246.0 0.8162 0.546
0.75 126.0 -0.4479 0.8815
0.75 138.0 0.6599 0.688
0.75 150.0 0.5249 0.7115
0.75 162.0 -1.7224 0.6789
0.75 198.0 -1.3447 0.86
0.75 210.0 -0.233 0.7719
0.75 222.0 0.1181 0.6146
0.75 234.0 -0.4885 0.5721
0.75 246.0 0.0763 0.5629
0.75 258.0 -1.1451 0.6322
0.85 114.0 1.1672 0.6475
0.85 126.0 0.5589 0.7373
0.85 138.0 -1.1719 0.9005
0.85 210.0 0.6819 0.7249
0.85 222.0 0.7761 0.5407
0.85 234.0 0.2117 0.5648
0.85 246.0 0.4193 0.6124
0.95 234.0 0.3745 0.7475
0.35 54.0 0.6334 1.1594
0.45 18.0 1.022 1.2618
0.45 30.0 -0.2736 0.8965
0.45 42.0 0.9907 0.9078
0.45 222.0 -1.1066 0.9723
0.45 234.0 0.5131 0.8237
0.55 18.0 -0.2714 0.9905
0.55 30.0 1.0485 0.753
0.55 42.0 -0.1891 0.8177
0.55 126.0 0.0967 1.3852
0.55 138.0 -1.2147 0.9504
0.55 150.0 -0.552 1.1559
0.55 162.0 -0.6129 1.3723
0.55 210.0 0.8222 0.8768
0.55 222.0 0.3792 0.8833
0.55 234.0 -0.8123 0.7037
0.55 246.0 -0.7095 0.7906
0.65 126.0 0.2622 0.8457
0.65 138.0 -0.1806 0.9827
0.65 150.0 0.1342 0.8846
0.65 162.0 -0.6403 1.095
0.65 210.0 -1.9108 0.5181
0.65 222.0 0.147 0.7471
0.65 234.0 -0.8345 0.72
0.65 246.0 1.6164 0.7121
0.65 258.0 -0.9087 0.8512
0.75 126.0 0.5333 1.1885
0.75 138.0 1.2655 0.7105
0.75 150.0 0.3924 0.8046
0.75 162.0 0.5924 1.0236
0.75 210.0 -0.029 0.8401
0.75 222.0 1.1639 0.6488
0.75 234.0 0.6817 0.5885
0.75 246.0 -0.3521 0.7909
0.75 258.0 0.0413 0.8583
0.85 114.0 -0.5344 1.0251
0.85 126.0 -1.881 0.9613
0.85 138.0 -1.4187 0.9696
0.85 210.0 -0.9778 0.8054
0.85 222.0 -0.1995 0.7875
0.85 234.0 0.2 0.6647
0.85 246.0 0.1068 0.9084
0.85 258.0 -0.759 0.9043
0.95 234.0 -0.5618 0.7824
0.95 246.0 -0.0726 0.8173
Created in SINP MSU, CLAS Collaboration