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Measurement E151M2834

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: ALU
εL: 0.0315
Q2: 0.0245 GeV2
W: 1505.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7262

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.35 30.0 0.6389 0.2398
0.45 18.0 -0.132 0.3603
0.45 30.0 -0.0236 0.3738
0.45 42.0 0.4155 0.2978
0.45 138.0 0.1097 0.3694
0.45 210.0 0.1924 0.3091
0.45 222.0 0.2284 0.368
0.45 234.0 -0.4822 0.2813
0.45 246.0 0.0177 0.3798
0.55 30.0 0.2014 0.2984
0.55 42.0 -0.52 0.2585
0.55 126.0 0.3502 0.3154
0.55 138.0 -0.5411 0.2651
0.55 150.0 0.0668 0.3751
0.55 162.0 0.2889 0.3481
0.55 210.0 0.2058 0.4085
0.55 222.0 0.2869 0.2674
0.55 234.0 -0.4544 0.2447
0.55 246.0 -0.0194 0.3383
0.65 126.0 -0.2855 0.3438
0.65 138.0 -0.0895 0.3175
0.65 150.0 -0.1801 0.3467
0.65 162.0 -0.4466 0.3056
0.65 198.0 0.7316 0.1985
0.65 210.0 0.4495 0.2727
0.65 222.0 -0.3258 0.2125
0.65 234.0 0.4097 0.2613
0.65 246.0 -0.1276 0.3018
0.75 138.0 -0.2844 0.3551
0.75 150.0 0.5528 0.2697
0.75 210.0 -0.6477 0.2086
0.75 222.0 -0.4433 0.1986
0.75 234.0 0.2222 0.2509
0.75 246.0 -0.0008 0.3166
0.85 138.0 -0.4151 0.3454
0.85 210.0 -0.2526 0.2672
0.85 222.0 -0.2787 0.2542
0.85 234.0 0.589 0.1667
0.85 246.0 0.3082 0.3505
0.95 222.0 0.1217 0.395
0.95 234.0 -0.3323 0.3563
0.35 42.0 -0.1292 0.2676
0.45 18.0 0.3457 0.2425
0.45 30.0 -0.186 0.2259
0.45 42.0 0.4272 0.2305
0.45 138.0 0.0076 0.2718
0.45 150.0 0.0721 0.2561
0.45 210.0 0.5441 0.2746
0.45 222.0 0.0898 0.2196
0.45 234.0 0.3656 0.2415
0.55 30.0 -0.2626 0.2064
0.55 42.0 0.162 0.2482
0.55 138.0 0.286 0.2075
0.55 150.0 -0.2926 0.2502
0.55 162.0 -0.4758 0.2435
0.55 210.0 -0.4627 0.2607
0.55 222.0 -0.3694 0.2087
0.55 234.0 -0.1049 0.1919
0.55 246.0 0.0144 0.2316
0.65 126.0 0.1036 0.2056
0.65 138.0 0.2786 0.2131
0.65 150.0 -0.0303 0.2226
0.65 162.0 0.0347 0.2644
0.65 210.0 0.0184 0.2456
0.65 222.0 0.0005 0.2086
0.65 234.0 0.0774 0.2132
0.65 246.0 -0.1567 0.2463
0.75 138.0 -0.0204 0.2091
0.75 210.0 0.1786 0.2378
0.75 222.0 -0.1655 0.2294
0.75 234.0 0.0779 0.1986
0.75 246.0 0.0788 0.1996
0.85 126.0 0.0033 0.2352
0.85 138.0 0.5859 0.2274
0.85 210.0 0.0976 0.2445
0.85 222.0 0.0455 0.2106
0.85 234.0 -0.0825 0.1895
0.85 246.0 -0.1948 0.2148
Created in SINP MSU, CLAS Collaboration