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Measurement E151M210

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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 : 0.1205 GeV2
W : 1205 GeV
ε : 0.9081
Ebeam : 1.3383 GeV
εL: 0.8044 

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 Data errors Systematic errors
0.45 282 0.6865 0.7765 0.0511
0.45 294 -0.4261 0.5419 0.0395
0.55 270 -0.0835 0.5749 0.0304
0.55 282 -0.8843 0.3009 0.0611
0.55 294 -0.4694 0.4798 0.0412
0.65 270 0.7634 0.7571 0.0549
0.65 282 0.058 0.5735 0.0302
0.75 270 0.4258 0.7913 0.0395
0.75 282 -0.4155 0.4314 0.0391
0.85 102 0.4691 0.8683 0.0412
0.95 114 0.0979 0.638 0.0306
0.95 126 -0.0337 0.551 0.0301
0.95 138 0.0745 0.6334 0.0303
0.95 150 0.4686 0.7457 0.0412
0.95 198 0.0631 0.5901 0.0302
0.35 294 -0.3756 0.4522 0.038
0.45 282 0.4745 0.4211 0.042
0.55 270 0.1609 0.382 0.0316
0.55 282 -0.0157 0.3882 0.03
0.55 294 -0.1371 0.4424 0.0312
0.65 270 0.2983 0.3549 0.0352
0.65 282 -0.4009 0.3568 0.0389
0.75 258 0.9529 0.4562 0.0662
0.75 270 -0.0629 0.4179 0.0303
0.75 282 -0.3549 0.3686 0.0372
0.85 102 -0.8033 0.4397 0.0581
0.85 126 0.5752 0.4861 0.0466
0.95 114 -0.2892 0.3716 0.0349
0.95 126 0.2338 0.4119 0.0333
0.95 138 -0.7055 0.324 0.053
0.95 150 -0.7698 0.328 0.0563
0.95 162 -0.0981 0.4026 0.0306
0.95 186 0.563 0.3275 0.046