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Measurement E151M2798

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: 0.0628
Q2: 0.0348 GeV2
W: 1445.0 GeV
Ebeam: 1.3383 GeV
ε: 0.7912

Slice: cos(θπ+) =

Measurement data
cos(θπ+) φ(π+), [deg] ALU uncertainty
0.25 30.0 -0.0281 0.3452
0.25 42.0 0.0893 0.3482
0.35 30.0 -0.2719 0.3365
0.35 42.0 0.7235 0.211
0.45 30.0 0.1352 0.3138
0.45 42.0 0.5836 0.2421
0.45 234.0 0.1521 0.4031
0.55 30.0 -0.1057 0.3996
0.55 42.0 -0.3491 0.2831
0.55 126.0 -0.157 0.2968
0.55 138.0 0.2456 0.3196
0.55 162.0 -0.4801 0.297
0.55 222.0 -0.2851 0.294
0.55 234.0 -0.4059 0.2973
0.55 246.0 0.2512 0.339
0.55 258.0 0.5775 0.2873
0.65 126.0 -0.0539 0.2879
0.65 138.0 0.0218 0.2727
0.65 150.0 0.1331 0.2853
0.65 162.0 0.4525 0.2935
0.65 198.0 0.2905 0.3125
0.65 210.0 -0.0835 0.2988
0.65 222.0 0.1427 0.2342
0.65 234.0 -0.0637 0.2332
0.65 246.0 -0.6759 0.218
0.65 258.0 0.3526 0.305
0.75 126.0 0.4266 0.2601
0.75 138.0 -0.0148 0.2632
0.75 150.0 -0.1795 0.3434
0.75 162.0 0.3151 0.3215
0.75 210.0 0.1589 0.3882
0.75 222.0 -0.525 0.2965
0.75 234.0 -0.4775 0.2303
0.75 246.0 -0.6558 0.1514
0.75 258.0 0.3719 0.285
0.85 114.0 0.4599 0.326
0.85 126.0 0.1818 0.3887
0.85 210.0 0.0033 0.3472
0.85 222.0 0.2708 0.2667
0.85 234.0 -0.119 0.2787
0.85 246.0 0.3873 0.206
0.85 258.0 0.4401 0.2753
0.95 126.0 0.1701 0.3918
0.95 234.0 -0.4456 0.3454
0.95 246.0 0.3911 0.2886
0.95 258.0 -0.1483 0.3391
0.15 30.0 0.0785 0.2887
0.35 30.0 0.1108 0.2836
0.45 18.0 0.5901 0.2588
0.45 30.0 0.0295 0.2065
0.45 42.0 0.2338 0.2047
0.55 42.0 0.4003 0.2497
0.55 126.0 -0.0177 0.2627
0.55 150.0 0.1334 0.2392
0.55 162.0 -0.2015 0.2566
0.55 222.0 0.0884 0.2019
0.55 234.0 0.1105 0.2382
0.55 246.0 -0.6632 0.2057
0.65 126.0 0.1721 0.1896
0.65 138.0 -0.0956 0.1702
0.65 150.0 -0.5873 0.1929
0.65 162.0 -0.0548 0.2305
0.65 198.0 0.325 0.2501
0.65 210.0 0.1115 0.2209
0.65 222.0 0.0181 0.2207
0.65 234.0 -0.0357 0.1631
0.65 246.0 -0.1026 0.1915
0.65 258.0 0.2312 0.2495
0.75 126.0 -0.0974 0.1867
0.75 138.0 -0.0462 0.1877
0.75 150.0 0.0296 0.2145
0.75 162.0 0.3439 0.2322
0.75 210.0 -0.1809 0.2806
0.75 222.0 0.4496 0.2075
0.75 234.0 0.0389 0.168
0.75 246.0 -0.1848 0.171
0.75 258.0 0.0498 0.2357
0.85 138.0 -0.2969 0.2623
0.85 210.0 -0.5792 0.2523
0.85 222.0 0.0601 0.2018
0.85 234.0 -0.1465 0.1994
0.85 246.0 0.0988 0.1725
0.85 258.0 0.1408 0.2163
0.95 114.0 0.3816 0.2525
0.95 126.0 -0.7077 0.2145
0.95 222.0 0.1551 0.2642
0.95 234.0 -0.2133 0.2761
0.95 246.0 0.1835 0.2381
Created in SINP MSU, CLAS Collaboration