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Measurement E151M1756

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: 0.1909
Q2: 0.0593 GeV2
W: 1355.0 GeV
Ebeam: 1.9889 GeV
ε: 0.9422

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.05 30.0 -1.6543 0.6329
0.15 42.0 -0.5267 0.7671
0.15 66.0 -1.55 0.68
0.15 306.0 0.6011 0.6593
0.15 318.0 0.0393 0.7415
0.25 54.0 0.5363 0.7089
0.25 66.0 -0.0775 0.5176
0.25 78.0 0.4127 0.6598
0.25 282.0 0.8361 0.6872
0.25 294.0 0.1951 0.4636
0.25 306.0 -0.4103 0.5515
0.25 318.0 0.1139 0.7513
0.35 54.0 -0.0634 0.8101
0.35 66.0 -1.1354 0.4121
0.35 78.0 1.2451 0.417
0.35 90.0 -0.3709 0.7526
0.35 270.0 -0.732 0.7343
0.35 282.0 -0.6721 0.514
0.35 294.0 -0.0834 0.4299
0.35 306.0 0.313 0.4721
0.45 66.0 -0.3897 0.466
0.45 78.0 -0.122 0.3945
0.45 90.0 -1.1634 0.447
0.45 270.0 -0.0501 0.5305
0.45 282.0 -0.8647 0.4444
0.45 294.0 0.2791 0.37
0.45 306.0 -0.1372 0.5222
0.55 66.0 0.3036 0.523
0.55 78.0 -0.6892 0.3946
0.55 90.0 -0.3071 0.4355
0.55 102.0 0.523 0.7147
0.55 234.0 -0.3287 0.7423
0.55 246.0 0.3852 0.7218
0.55 258.0 -0.1242 0.5752
0.55 270.0 0.1171 0.4636
0.55 282.0 -0.2331 0.4502
0.55 294.0 0.0365 0.5837
0.65 66.0 0.4445 0.7024
0.65 78.0 0.4583 0.4566
0.65 90.0 0.6218 0.5542
0.65 102.0 0.1581 0.449
0.65 114.0 0.1199 0.5214
0.65 126.0 0.224 0.4742
0.65 138.0 0.0487 0.551
0.65 222.0 0.5241 0.589
0.65 234.0 0.5691 0.4783
0.65 246.0 -0.0891 0.4303
0.65 258.0 -0.0273 0.3584
0.65 270.0 0.751 0.4651
0.65 282.0 -1.0663 0.4114
0.65 294.0 0.2227 0.7701
0.75 78.0 -0.7385 0.5739
0.75 90.0 0.3295 0.6369
0.75 102.0 -0.4379 0.4149
0.75 114.0 -0.373 0.3489
0.75 126.0 0.3634 0.4134
0.75 138.0 -0.4228 0.4557
0.75 150.0 1.253 0.566
0.75 162.0 0.8257 0.6338
0.75 210.0 0.2171 0.5996
0.75 222.0 -0.217 0.4427
0.75 234.0 0.3432 0.4061
0.75 246.0 0.2485 0.37
0.75 258.0 -0.0894 0.402
0.75 270.0 -0.178 0.403
0.75 282.0 -0.2022 0.5407
0.85 102.0 -0.3074 0.5834
0.85 114.0 -0.7442 0.3915
0.85 126.0 -0.1315 0.3625
0.85 138.0 0.8039 0.3825
0.85 150.0 -0.0053 0.5402
0.85 162.0 0.0966 0.6297
0.85 174.0 0.5461 0.7675
0.85 186.0 0.9116 0.6907
0.85 198.0 -0.6833 0.615
0.85 210.0 0.4856 0.6123
0.85 222.0 -0.0222 0.4496
0.85 234.0 0.0146 0.3467
0.85 246.0 0.5923 0.3396
0.85 258.0 0.6863 0.343
0.85 270.0 -0.1439 0.4137
0.95 114.0 0.8238 0.6747
0.95 138.0 1.0017 0.634
0.95 150.0 0.1306 0.5985
0.95 198.0 0.2173 0.7101
0.95 210.0 0.4541 0.5515
0.95 222.0 0.3689 0.5234
0.95 234.0 -0.7696 0.4684
0.95 246.0 0.5882 0.4559
0.95 258.0 0.9019 0.4411
Created in SINP MSU, CLAS Collaboration