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Measurement E151M1105

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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 : 0.4155 GeV2
W : 1625 GeV
ε : 0.8602
Ebeam : 2.999 GeV
εL: 0.2659 

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
0.55 102 0.4155 0.9925 0.0427
0.55 114 0.8564 1.0563 0.0694
0.55 294 -0.1954 0.768 0.0332
0.65 102 0.9126 0.8383 0.0731
0.65 114 -0.0847 0.8924 0.0306
0.65 222 1.1765 0.9284 0.0911
0.65 306 -1.455 0.5717 0.1105
0.75 54 -1.2661 0.6555 0.0973
0.75 66 -0.469 0.7553 0.0455
0.75 78 -1.2221 0.6434 0.0942
0.75 102 -0.5572 0.6521 0.0506
0.75 114 -0.2646 0.8195 0.0357
0.75 222 -0.2884 0.7098 0.0367
0.75 234 -1.2076 0.6496 0.0932
0.75 246 -0.8974 0.6465 0.0721
0.75 258 0.6753 0.9319 0.0578
0.85 54 1.565 0.8872 0.1183
0.85 66 0.1503 0.6924 0.0319
0.85 78 -0.6209 0.7254 0.0544
0.85 186 0.1945 0.9291 0.0332
0.85 198 2.5008 0.9875 0.1852
0.85 210 0.596 0.8426 0.0529
0.85 222 2.1991 0.7385 0.1635
0.85 234 -0.5287 0.6738 0.0489
0.85 246 0.3997 0.606 0.0419
0.85 258 0.1869 0.7159 0.033
0.85 270 -0.8613 0.6262 0.0697
0.95 186 0.4453 0.8588 0.0443
0.95 210 0.7498 0.885 0.0625
0.95 222 0.2058 0.8442 0.0336
0.95 234 0.8851 0.7946 0.0713
0.95 246 -0.5536 0.5515 0.0504
0.95 258 -0.4081 0.5992 0.0423
0.95 270 -0.0399 0.5891 0.0301
0.95 282 0.4404 0.5945 0.044
0.95 294 0.8263 0.6245 0.0674
0.95 306 -0.8547 0.4833 0.0693
0.95 318 0.0414 0.6845 0.0302