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Measurement E151M376

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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 : 0.0593 GeV2
W : 1475 GeV
ε : 0.7364
Ebeam : 1.3383 GeV
εL: 0.0838 

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
0.35 30 0.4343 0.6352 0.0403
0.45 30 0.4745 0.6766 0.042
0.45 234 0.2191 0.69 0.0329
0.55 138 -1.4506 0.5327 0.0947
0.55 150 -1.2646 0.544 0.0839
0.55 222 0.5808 0.6098 0.0468
0.55 234 0.4083 0.6055 0.0392
0.55 246 1.3296 0.5541 0.0876
0.65 126 -0.0951 0.5774 0.0306
0.65 138 -1.4819 0.5182 0.0965
0.65 150 -0.2389 0.5117 0.0334
0.65 210 -0.1245 0.6154 0.031
0.65 222 0.1032 0.5289 0.0307
0.65 234 0.5222 0.4247 0.0441
0.65 246 -0.2821 0.4778 0.0347
0.65 258 -1.4294 0.4875 0.0935
0.75 126 -0.1268 0.5083 0.031
0.75 138 -0.1876 0.4876 0.0322
0.75 150 -0.7169 0.6258 0.0536
0.75 162 -0.2131 0.6527 0.0328
0.75 210 0.299 0.5711 0.0353
0.75 222 1.0223 0.5208 0.07
0.75 234 0.0541 0.4792 0.0302
0.75 246 0.1629 0.4558 0.0316
0.75 258 -0.6095 0.4508 0.0482
0.85 126 0.1993 0.6813 0.0324
0.85 210 1.6103 0.5217 0.1041
0.85 222 -0.1964 0.5331 0.0324
0.85 234 0.3038 0.4572 0.0354
0.85 246 0.6692 0.4333 0.0512
0.85 258 -0.5284 0.5483 0.0444
0.95 114 -0.4962 0.5556 0.0429
0.95 126 -1.0468 0.491 0.0714
0.95 138 0.0561 0.567 0.0302
0.95 246 -0.4045 0.5127 0.0391
0.15 42 0.2357 1.0225 0.0332
0.55 126 -0.1838 0.9108 0.032
0.55 138 -0.586 0.7683 0.0463
0.55 210 0.6971 1.1762 0.0516
0.55 222 2.4292 2.4292 0.1493
0.55 234 0.7129 0.9262 0.0524
0.55 246 -0.6621 0.5766 0.0499
0.55 258 0.7625 0.9273 0.0548
0.65 126 -1.0566 0.5305 0.0703
0.65 138 -1.4927 0.4352 0.0948
0.65 210 0.2921 0.9686 0.0348
0.65 222 -0.7417 0.5012 0.0538
0.65 234 0.5854 0.8031 0.0463
0.65 246 1.5474 0.7707 0.0979
0.65 258 1.9663 1.1162 0.1221
0.75 126 -1.057 0.5909 0.0704
0.75 138 -1.4984 0.446 0.0951
0.75 150 2.0071 1.3206 0.1245
0.75 222 -0.5195 0.5872 0.0433
0.75 234 -0.4771 0.5762 0.0415
0.75 246 0.2718 0.6487 0.0342
0.75 258 -0.6279 0.5495 0.0483
0.85 210 3.4158 3.4158 0.2079
0.85 222 0.8163 0.8788 0.0576
0.85 234 0.9999 0.7299 0.0673
0.85 246 -0.0278 0.6255 0.03
0.85 258 1.0521 0.8174 0.0701
0.95 234 1.0634 0.8618 0.0707
0.95 246 2.8624 2.8624 0.175
0.95 258 -0.602 0.4929 0.0471