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Measurement E151M562

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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 : 0.0348 GeV2
W : 1415 GeV
ε : 0.9292
Ebeam : 1.9889 GeV
εL: 0.0851 

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
0.25 78 0.455 0.7463 0.0409
0.25 294 -0.102 0.6392 0.0306
0.25 306 -0.7146 0.5839 0.053
0.35 66 -0.2778 0.4792 0.0345
0.35 78 0.1457 0.5938 0.0313
0.35 90 0.3935 0.7614 0.0385
0.35 282 0.4054 0.5159 0.0389
0.35 294 2.0572 0.4473 0.1293
0.45 66 -0.0545 0.5248 0.0302
0.45 78 0.4403 0.43 0.0403
0.45 90 -0.8771 0.4267 0.0615
0.45 270 0.0268 0.6285 0.03
0.45 282 -0.2131 0.5008 0.0327
0.45 294 -0.1549 0.3977 0.0315
0.45 306 0.8838 0.7122 0.0618
0.55 78 0.0195 0.4437 0.03
0.55 90 -0.0654 0.4685 0.0303
0.55 114 -0.6459 0.5766 0.0496
0.55 126 -0.1164 0.5908 0.0308
0.55 222 -0.4347 0.6191 0.0401
0.55 234 -0.5383 0.6201 0.0445
0.55 246 0.2883 0.6238 0.0348
0.55 258 0.3587 0.5939 0.0372
0.55 270 0.2132 0.4748 0.0327
0.55 282 -0.2865 0.4194 0.0347
0.55 294 0.182 0.5118 0.032
0.65 66 0.8241 0.6349 0.0587
0.65 78 -0.1055 0.4921 0.0307
0.65 90 0.2522 0.6141 0.0337
0.65 102 0.7973 0.8499 0.0573
0.65 114 0.216 0.4846 0.0328
0.65 126 0.3886 0.5122 0.0383
0.65 138 -0.4256 0.4984 0.0397
0.65 150 -0.1646 0.5557 0.0316
0.65 210 -1.1403 0.4554 0.0759
0.65 222 1.8297 0.5475 0.1159
0.65 234 1.0093 0.4606 0.0686
0.65 246 0.1771 0.4595 0.0319
0.65 258 0.3082 0.5397 0.0354
0.65 270 -0.0227 0.5902 0.03
0.65 282 -0.1447 0.5425 0.0313
0.65 294 -0.4112 0.5551 0.0391
0.75 78 -0.6338 0.5742 0.049
0.75 102 0.4247 0.7845 0.0397
0.75 114 -0.0706 0.5708 0.0303
0.75 126 0.5231 0.4919 0.0439
0.75 138 -0.3173 0.4976 0.0357
0.75 150 -0.2879 0.5581 0.0348
0.75 162 0.3591 0.8023 0.0372
0.75 210 0.1057 0.562 0.0307
0.75 222 1.2059 0.4357 0.0796
0.75 234 -0.0071 0.3715 0.03
0.75 246 1.014 0.4178 0.0689
0.75 258 -0.2665 0.5418 0.0341
0.75 270 -0.5136 0.6746 0.0434
0.75 282 0.2785 0.7057 0.0345
0.85 114 -0.3526 0.7033 0.0369
0.85 126 -1.5493 0.4518 0.0994
0.85 138 -0.1564 0.6284 0.0315
0.85 150 -0.3046 0.652 0.0353
0.85 210 0.6564 0.5777 0.0501
0.85 222 0.401 0.4538 0.0388
0.85 234 0.6255 0.4157 0.0486
0.85 246 -0.0694 0.407 0.0303
0.85 258 0.5156 0.5397 0.0435
0.95 222 -0.0442 0.6523 0.0301
0.95 234 0.4617 0.6567 0.0412