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Measurement E151M908

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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 : 1655 GeV
ε : 0.8403
Ebeam : 2.2596 GeV
εL: 0.0341 

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 78 -1.0969 0.862 0.1056
0.45 270 1.0885 0.8627 0.1048
0.55 222 0.3852 0.9693 0.0465
0.55 258 1.2057 0.8939 0.1153
0.55 270 1.0903 0.83 0.105
0.65 126 -1.2387 0.9245 0.1182
0.65 198 2.4631 0.9929 0.2293
0.65 210 1.0708 1.0289 0.1033
0.75 66 -1.2463 0.929 0.1189
0.75 210 1.0471 1.1541 0.1012
0.75 234 -0.7791 0.9202 0.0779
0.75 270 0.3026 0.9364 0.041
0.75 282 0.7375 0.7934 0.0744
0.85 114 1.9246 1.3574 0.1801
0.85 210 -1.4842 0.8452 0.1402
0.85 222 -0.2236 1.091 0.0364
0.35 78 -0.294 0.5686 0.0357
0.45 270 -0.3395 0.6311 0.0374
0.45 282 -0.4079 0.5534 0.0402
0.55 222 1.982 0.7588 0.1335
0.55 258 -0.2114 0.573 0.0331
0.55 270 -0.9364 0.4771 0.0684
0.65 126 -0.3252 0.5208 0.0368
0.65 210 0.4246 0.7233 0.0409
0.65 222 1.2921 0.7883 0.0899
0.75 114 -0.1432 0.7085 0.0314
0.75 210 -0.0648 0.6736 0.0303
0.75 222 0.7011 0.7394 0.0549
0.75 270 -0.0534 0.6759 0.0302
0.75 282 -0.0786 0.5503 0.0304
0.85 102 1.0956 0.8191 0.0779
0.85 126 -0.8537 0.6281 0.0636
0.85 210 1.3284 0.7077 0.0922
0.85 222 -0.3181 0.8081 0.0365