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Measurement E151M844

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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 : 0.0415 GeV2
W : 1505 GeV
ε : 0.9161
Ebeam : 2.2596 GeV
εL: 0.0659 

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 -0.4393 0.5082 0.0416
0.35 78 -1.9731 1.3697 0.1846
0.45 66 1.2297 1.7302 0.1174
0.45 78 -2.3498 1.2055 0.2189
0.45 90 1.5134 1.8126 0.1429
0.45 282 1.7066 1.4658 0.1603
0.55 78 -0.3081 1.4201 0.0413
0.55 114 0.779 1.7533 0.0779
0.55 126 -1.4222 1.2768 0.1346
0.55 138 -0.305 1.7065 0.0411
0.55 282 0.2153 1.3703 0.036
0.65 114 1.1402 1.6092 0.1094
0.65 138 -1.4681 1.5442 0.1388
0.65 222 2.4094 1.3491 0.2244
0.65 234 -0.3019 1.4364 0.0409
0.65 246 1.6703 1.735 0.1571
0.65 294 1.9269 1.4205 0.1804
0.75 126 -1.1847 1.4766 0.1134
0.75 222 0.6273 1.4993 0.0652
0.75 234 1.1578 1.6296 0.111
0.75 282 1.9563 1.4949 0.183
0.85 102 0.6244 2.1357 0.065
0.85 114 -2.7094 1.6139 0.2519
0.85 222 -0.5856 1.613 0.0618
0.85 234 2.2894 1.875 0.2134
0.35 282 0.8217 0.5674 0.0617
0.35 294 -0.1175 0.5023 0.031
0.45 78 -0.5595 0.4954 0.0474
0.45 270 0.7178 0.5315 0.0558
0.45 282 0.0413 0.5589 0.0301
0.55 78 -0.6719 0.4778 0.0533
0.55 114 -0.7314 0.5677 0.0566
0.55 138 0.4434 0.6155 0.0418
0.55 222 0.5317 0.6948 0.046
0.55 270 0.7477 0.6076 0.0575
0.55 282 0.3679 0.5123 0.0385
0.55 294 -0.1578 0.5606 0.0317
0.65 78 0.9986 0.5893 0.0721
0.65 126 -0.3548 0.5886 0.038
0.65 138 -0.9954 0.5384 0.0719
0.65 222 -0.0449 0.6489 0.0301
0.65 270 0.2021 0.6023 0.0328
0.75 66 0.6687 0.5996 0.0532
0.75 114 -1.2205 0.4519 0.0855
0.75 126 -0.3928 0.5916 0.0396
0.75 138 -0.8926 0.6192 0.0658
0.75 150 -0.5426 0.6885 0.0466
0.75 222 0.3081 0.6562 0.0362
0.75 234 -0.0811 0.6128 0.0305
0.75 282 -1.2243 0.4758 0.0858
0.85 210 0.9909 0.7751 0.0716
0.85 222 0.8757 0.673 0.0648
0.85 234 1.0242 0.7848 0.0736
0.85 246 0.9205 0.7533 0.0674