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Measurement E151M1161

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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 : 0.0844 GeV2
W : 1775 GeV
ε : 0.8627
Ebeam : 2.999 GeV
εL: 0.0463 

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 -0.3502 0.8993 0.0394
0.55 114 -0.2038 0.8563 0.0335
0.55 126 -0.6152 0.9117 0.0541
0.55 198 0.4735 0.9924 0.0458
0.55 258 0.1857 0.943 0.0329
0.55 270 1.3002 0.9387 0.0997
0.65 114 -0.3374 0.8835 0.0388
0.65 126 -0.1713 0.7333 0.0325
0.65 138 -0.3499 0.9506 0.0394
0.65 174 0.7936 1.0718 0.0653
0.65 186 1.791 1.04 0.1343
0.65 198 -0.6929 0.7926 0.0589
0.65 210 0.9613 0.8915 0.0764
0.65 270 1.0982 1.0412 0.0857
0.65 282 -0.6053 0.6938 0.0535
0.75 90 1.0068 1.0285 0.0795
0.75 102 1.656 1.0195 0.1247
0.75 114 -1.6028 0.6419 0.1209
0.75 126 1.0495 1.0317 0.0824
0.75 186 -0.8094 0.6999 0.0663
0.75 198 -0.2526 0.7118 0.0352
0.75 210 -0.5118 0.8228 0.048
0.75 222 0.2161 0.7789 0.0339
0.75 234 -0.1163 0.8384 0.0312
0.75 270 -0.1763 0.6513 0.0326
0.75 282 -1.4521 0.5376 0.1103
0.85 90 0.5164 0.9696 0.0482
0.85 102 -0.2939 0.579 0.0369
0.85 114 -1.2009 0.5035 0.0928
0.85 126 1.3772 0.9612 0.105
0.85 138 -0.9618 0.8104 0.0764
0.85 174 -0.6341 0.7854 0.0552
0.85 186 0.167 0.6518 0.0324
0.85 198 -0.4482 0.667 0.0444
0.85 210 0.535 0.6956 0.0493
0.85 222 0.0336 0.6411 0.0301
0.85 234 -0.9408 0.7151 0.075
0.85 270 -0.5735 0.6844 0.0515
0.85 282 0.4065 0.9078 0.0422
0.95 198 -0.3099 0.86 0.0376
0.95 210 -0.2323 0.7536 0.0345