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Measurement E151M764

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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 : 0.0496 GeV2
W : 1325 GeV
ε : 0.9646
Ebeam : 2.2596 GeV
εL: 0.197 

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
0.45 66 0.5938 0.5724 0.0492
0.55 78 -0.0949 0.5064 0.0306
0.65 78 0.0949 0.5301 0.0306
0.65 246 -0.719 0.4257 0.0559
0.65 258 0.2442 0.5785 0.034
0.75 114 -0.8352 0.501 0.0625
0.75 126 0.2297 0.6989 0.0336
0.75 138 -0.2983 0.5634 0.0358
0.75 234 -0.5055 0.5926 0.0447
0.75 246 0.4491 0.5559 0.0421
0.75 258 0.0695 0.5432 0.0303
0.75 270 0.8649 0.5648 0.0642
0.85 114 -0.4559 0.6577 0.0424
0.85 126 0.7359 0.6208 0.0569
0.85 138 1.0177 0.7006 0.0732
0.85 234 -0.8612 0.5766 0.064
0.85 246 -0.0956 0.5245 0.0306
0.85 258 0.194 0.5111 0.0326
0.85 270 0.3595 0.5704 0.0382
0.45 78 1.8569 1.3549 0.174
0.55 78 2.0879 1.4902 0.195
0.65 258 -1.9784 1.0847 0.185
0.75 126 3.9339 1.5098 0.3643
0.75 138 -1.7582 1.4685 0.165
0.75 246 -0.473 1.2089 0.053
0.75 258 1.0865 1.0891 0.1047
0.85 114 1.034 1.7248 0.1
0.85 138 -0.6463 1.7201 0.0668
0.85 234 3.1613 1.5853 0.2933
0.85 246 4.1365 1.2756 0.383
0.85 258 0.9358 1.246 0.0914
0.85 270 -1.3203 1.2383 0.1255