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Measurement E151M744

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Experiment: EG4, 2016

Spokespersons: Xiaochao Zheng

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).

No publications available for this experiment

Quantity measured: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.1205 GeV2
W : 1265 GeV
ε : 0.962
Ebeam : 2.2596 GeV
εL: 0.5781 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): AUL,
Plot measurement data

Parameter (X axis): φ(π+), degrees

Click here to get data in text file, delimited with tabs.

Measured data:

cos(θπ+) φ(π+),
degrees 		AUL Stat. error Syst. error
0.35 66 0.4017 0.379 0.0399
0.35 78 -0.3974 0.3554 0.0398
0.45 66 -0.7263 0.3304 0.0563
0.45 78 0.0216 0.3718 0.03
0.55 66 -0.4606 0.3738 0.0426
0.55 78 1.5084 0.428 0.1034
0.55 270 -0.2558 0.3712 0.0344
0.55 282 -0.0032 0.4081 0.03
0.65 258 -0.1773 0.3954 0.0322
0.65 270 0.0985 0.3449 0.0307
0.65 282 0.0912 0.3869 0.0306
0.75 90 -0.3347 0.4108 0.0372
0.75 102 -0.3423 0.4159 0.0375
0.75 114 -0.3736 0.4763 0.0387
0.75 246 -0.0374 0.5092 0.0301
0.75 258 0.0439 0.3696 0.0301
0.75 270 -0.2057 0.3242 0.0329
0.75 282 0.0512 0.3535 0.0302
0.85 90 -0.3416 0.4322 0.0375
0.85 102 0.0624 0.3637 0.0303
0.85 114 -0.2662 0.3682 0.0347
0.85 126 0.0815 0.5538 0.0305
0.85 138 -0.282 0.5112 0.0352
0.85 234 0.315 0.5692 0.0364
0.85 246 0.4635 0.5402 0.0427
0.85 258 -0.0591 0.431 0.0302
0.85 270 0.6723 0.3836 0.0534
0.85 282 0.0779 0.4046 0.0304
0.95 90 0.553 0.6901 0.0471
0.95 102 -0.4118 0.5943 0.0404
0.95 114 -0.0775 0.6532 0.0304
0.95 126 -0.0854 0.6856 0.0305
0.95 138 0.6661 0.8787 0.053
0.95 150 1.6974 0.8912 0.1154
0.95 162 0.4536 0.9318 0.0423
0.95 174 1.4503 0.956 0.0998
0.95 258 0.4538 0.8468 0.0423
0.25 66 -0.8052 1.5984 0.0801
0.35 66 -2.0485 1.5647 0.1914
0.35 78 -0.9386 1.703 0.0917
0.45 66 1.5059 1.7807 0.1422
0.45 78 -0.6709 1.3649 0.0688
0.55 66 2.3676 1.9623 0.2206
0.55 78 -2.4275 1.4723 0.226
0.55 270 1.6258 1.6247 0.153
0.55 282 1.2017 1.5433 0.1149
0.65 258 -0.2601 1.3836 0.0384
0.65 270 0.8431 1.2658 0.0834
0.65 282 0.1793 1.5804 0.0343
0.75 90 0.7541 2.0075 0.0758
0.75 102 1.9988 2.3019 0.1869
0.75 126 1.7803 2.2483 0.167
0.75 246 -2.1243 1.5942 0.1983
0.75 258 -0.8993 1.4682 0.0883
0.75 270 0.4374 1.3119 0.0503
0.75 282 -0.3406 1.2867 0.0435
0.85 90 -0.9125 2.2396 0.0894
0.85 102 0.2567 1.7403 0.0382
0.85 114 0.255 1.7822 0.0381
0.85 126 -1.5563 1.7854 0.1467
0.85 234 -2.0128 1.8167 0.1882
0.85 246 -0.1404 1.8905 0.0327
0.85 258 0.7994 1.4689 0.0796
0.85 270 -0.1528 1.4056 0.0331
0.85 282 1.2837 1.7924 0.1222
0.95 102 2.0839 6.1824 0.1947
0.95 114 -3.1079 5.9235 0.2884
0.95 126 1.2265 6.1763 0.1171
0.95 138 2.0336 6.0296 0.1901
0.95 150 0.541 6.1131 0.0582
0.95 246 6.7155 6.2529 0.6205
0.95 270 5.93 5.8201 0.5481