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Measurement E151M282

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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 : 0.0844 GeV2
W : 1325 GeV
ε : 0.8626
Ebeam : 1.3383 GeV
εL: 0.2785 

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
0.55 258 0.4361 0.4554 0.0403
0.55 270 0.9587 0.4393 0.0668
0.65 126 -0.5478 0.7906 0.0446
0.65 234 -0.1993 0.4423 0.0696
0.65 246 -0.342 0.3542 0.0405
0.65 258 -0.6075 0.2816 0.0481
0.65 270 -0.3048 0.3475 0.0463
0.75 114 -0.9878 0.4471 0.0681
0.75 126 0.2114 0.4426 0.0327
0.75 138 -0.1333 0.4366 0.0311
0.75 150 -0.4017 0.4915 0.039
0.75 162 -0.0734 0.6044 0.0303
0.75 222 -0.2158 0.5683 0.0328
0.75 234 -0.6316 0.3864 0.0493
0.75 246 0.6155 0.3804 0.0485
0.75 258 -0.1076 0.3513 0.0307
0.75 270 -0.3827 0.39 0.0382
0.75 282 0.6283 0.5401 0.0491
0.85 102 -0.5167 0.4948 0.0439
0.85 114 -0.207 0.4101 0.0326
0.85 126 -1.0301 0.3513 0.0705
0.85 138 -0.4935 0.439 0.0428
0.85 150 0.7376 0.4665 0.0546
0.85 162 0.4253 0.4972 0.0399
0.85 234 -0.3121 0.4496 0.0357
0.85 246 -0.5082 0.3775 0.0435
0.85 258 -0.125 0.3636 0.031
0.85 270 0.1437 0.3527 0.0313
0.85 282 -0.1269 0.3681 0.031
0.85 294 -0.5764 0.5012 0.0466
0.95 78 1.0176 0.4897 0.0698
0.95 90 0.0455 0.3854 0.0301
0.95 114 -0.7315 0.4802 0.0543
0.95 126 -0.4003 0.4683 0.0389
0.95 138 0.4373 0.4297 0.0404
0.95 150 0.9807 0.5089 0.0677
0.95 234 -0.0036 0.4955 0.03
0.95 246 -0.8318 0.3737 0.0596
0.95 258 0.0728 0.3604 0.0303
0.95 270 0.1974 0.4235 0.0324
0.95 282 0.3771 0.4352 0.038
0.65 282 -0.1451 0.7182 0.0312
0.75 114 -0.8947 0.5066 0.0617
0.75 126 1.0296 0.7714 0.0689
0.75 138 -0.655 0.5732 0.0496
0.75 234 -0.5676 0.5163 0.0455
0.75 246 -0.6144 0.449 0.0476
0.75 258 -0.8259 0.3618 0.0581
0.75 270 1.4114 0.8519 0.0901
0.85 102 0.9332 1.0741 0.0637
0.85 114 -0.2825 0.5515 0.0345
0.85 126 0.8758 0.68 0.0607
0.85 138 0.1227 0.7076 0.0309
0.85 150 1.6733 0.8683 0.1051
0.85 162 1.0265 0.84 0.0687
0.85 174 -0.6006 0.6356 0.047
0.85 222 0.5602 1.0071 0.0451
0.85 234 1.2304 1.2325 0.0799
0.85 246 -0.2432 0.5212 0.0334
0.85 258 -0.0921 0.492 0.0305
0.85 270 0.4161 0.5681 0.0391
0.85 282 -0.1544 0.5177 0.0314
0.85 294 2.9442 2.9442 0.1798
0.95 78 0.5574 0.7776 0.045
0.95 90 -0.3974 0.5363 0.0384
0.95 102 0.694 0.9467 0.0514
0.95 138 1.7248 0.9483 0.1081
0.95 150 0.2136 0.6915 0.0326
0.95 162 0.0712 0.7878 0.0303
0.95 234 -0.7829 0.3749 0.0559
0.95 246 0.5386 0.8475 0.0442
0.95 258 1.2282 0.6991 0.0798
0.95 270 -0.0241 0.5407 0.03
0.95 282 0.391 0.6908 0.0381