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Measurement E151M1704

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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: ALL,

Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none

Q2 : 0.205 GeV2
W : 1235 GeV
ε : 0.9361
Ebeam : 1.9889 GeV
εL: 0.9358 

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): ALL,
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 		ALL Stat. error Syst. error
0.25 66 -0.6174 0.6574 0.048
0.35 66 -0.4524 0.5207 0.0406
0.35 78 0.5322 0.6535 0.044
0.45 66 -1.0681 0.6236 0.0713
0.45 78 -1.3088 0.5795 0.0848
0.45 282 -1.3006 0.4782 0.0843
0.45 294 -0.4249 0.6317 0.0395
0.55 270 0.627 0.5989 0.0484
0.55 282 0.0694 0.6508 0.0303
0.55 294 -0.2143 0.6173 0.0327
0.65 270 -0.0475 0.5643 0.0301
0.65 282 0.2696 0.5068 0.0342
0.65 294 0.5602 0.5533 0.0453
0.75 90 0.3184 0.6887 0.0357
0.75 102 -0.5018 0.6043 0.0427
0.75 258 0.2025 0.613 0.0324
0.75 270 -0.2555 0.5324 0.0338
0.75 282 0.2811 0.5035 0.0345
0.75 294 -0.3574 0.6154 0.037
0.85 78 -0.188 0.5105 0.0321
0.85 90 -0.2366 0.5259 0.0333
0.85 102 -0.8092 0.5194 0.0575
0.85 114 0.5123 0.4951 0.0432
0.85 258 -0.1907 0.5513 0.0321
0.85 270 1.1245 0.4437 0.0744
0.85 282 0.1576 0.573 0.0315
0.95 66 -0.4184 0.4913 0.0393
0.95 78 0.1029 0.581 0.0306
0.95 90 0.0488 0.4873 0.0301
0.95 102 0.2113 0.4715 0.0326
0.95 114 0.2797 0.4986 0.0345
0.95 126 -0.2193 0.5871 0.0328
0.95 138 -0.2636 0.5912 0.034