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Measurement E151M1439

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: 0.1545
Q2: 0.0205 GeV2
W: 1235.0 GeV
Ebeam: 1.3383 GeV
ε: 0.9472

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALL uncertainty
0.25 42.0 0.3196 0.4531
0.35 30.0 -2.1268 2.1268
0.35 42.0 -0.8393 0.818
0.35 54.0 0.1917 0.8513
0.45 42.0 0.8278 0.7782
0.45 270.0 0.724 0.6041
0.45 282.0 -0.5024 0.7299
0.55 246.0 -0.0396 0.6956
0.55 258.0 0.012 0.5562
0.55 270.0 -0.435 0.5642
0.55 282.0 0.1363 0.6641
0.65 234.0 0.1709 0.7167
0.65 246.0 0.5091 0.5138
0.65 258.0 -0.1862 0.4505
0.65 270.0 0.0343 0.4658
0.65 282.0 0.039 0.7429
0.75 126.0 1.3768 0.6433
0.75 138.0 0.3943 0.7999
0.75 150.0 0.3902 0.745
0.75 162.0 0.5623 0.6367
0.75 174.0 -0.0095 0.6944
0.75 186.0 -0.1122 0.7662
0.75 198.0 -0.2121 0.7564
0.75 210.0 0.7633 0.6731
0.75 222.0 0.6404 0.7239
0.75 234.0 -0.5397 0.4666
0.75 246.0 0.2566 0.3844
0.75 258.0 0.1535 0.4679
0.75 270.0 -0.1402 0.4949
0.75 282.0 0.4866 0.7907
0.85 138.0 -0.5008 0.7678
0.85 150.0 -0.79 0.6435
0.85 162.0 0.7122 0.4907
0.85 174.0 0.1585 0.6038
0.85 186.0 -1.0252 0.6099
0.85 198.0 0.6043 0.6621
0.85 210.0 0.1542 0.6909
0.85 222.0 -0.9645 0.5279
0.85 234.0 0.0526 0.5402
0.85 246.0 -0.0365 0.593
0.85 258.0 1.2169 0.4067
0.25 54.0 -0.3224 0.57
0.35 42.0 -0.5901 0.5048
0.45 42.0 -0.0303 0.5763
0.55 246.0 -0.1377 0.5511
0.55 258.0 -0.5862 0.4223
0.55 270.0 0.1571 0.3647
0.55 282.0 -0.3197 0.5447
0.65 222.0 -0.7756 0.6712
0.65 234.0 0.2238 0.4834
0.65 246.0 0.3069 0.3686
0.65 258.0 -0.3598 0.3207
0.65 270.0 -0.5029 0.3408
0.65 282.0 -0.2417 0.6264
0.75 138.0 0.4974 0.4532
0.75 150.0 -0.0674 0.5107
0.75 162.0 -0.558 0.5726
0.75 174.0 -0.4027 0.4848
0.75 186.0 -0.0486 0.5595
0.75 198.0 0.3729 0.5661
0.75 222.0 0.3059 0.5717
0.75 234.0 -0.2336 0.4294
0.75 246.0 0.2158 0.3246
0.75 258.0 -0.3592 0.3018
0.75 270.0 -0.5384 0.3745
0.75 282.0 0.1328 0.5405
0.85 126.0 0.709 0.6112
0.85 138.0 -0.1332 0.6378
0.85 150.0 0.1021 0.5706
0.85 162.0 0.3057 0.4203
0.85 174.0 0.2498 0.6279
0.85 186.0 -0.131 0.551
0.85 198.0 -0.314 0.478
0.85 210.0 1.0059 0.6035
0.85 222.0 0.5704 0.6061
0.85 234.0 0.7045 0.4526
0.85 246.0 -0.7807 0.462
0.85 258.0 -0.0277 0.4617
0.85 270.0 0.7784 0.5361
Created in SINP MSU, CLAS Collaboration