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Measurement E151M555

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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 : 0.1715 GeV2
W : 1385 GeV
ε : 0.8997
Ebeam : 1.9889 GeV
εL: 0.3715 

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 66 0.7668 0.6853 0.0557
0.25 78 -0.8584 0.6065 0.0605
0.25 294 -0.7562 0.5098 0.0551
0.25 306 0.931 0.7481 0.0644
0.35 66 0.3148 0.6207 0.0356
0.35 78 0.0958 0.5861 0.0306
0.35 282 -0.4483 0.5898 0.0406
0.35 294 0.2156 0.6059 0.0328
0.35 306 -0.2576 0.6703 0.0339
0.45 66 -0.0148 0.6932 0.03
0.45 78 -0.1531 0.6249 0.0314
0.45 294 -0.8756 0.5616 0.0614
0.55 282 0.0633 0.6631 0.0302
0.65 90 0.7152 0.7405 0.053
0.65 102 0.5916 0.6058 0.047
0.65 114 0.4229 0.5635 0.0396
0.65 126 1.496 0.7707 0.0963
0.65 246 -0.013 0.5629 0.03
0.65 258 0.6643 0.5301 0.0505
0.65 270 0.0142 0.5522 0.03
0.75 90 -0.4388 0.4466 0.0403
0.75 102 0.6106 0.5673 0.0479
0.75 114 -0.0321 0.4624 0.0301
0.75 126 -0.499 0.5762 0.0428
0.75 138 0.3548 0.7128 0.037
0.75 222 -0.1912 0.6371 0.0322
0.75 234 0.7663 0.5914 0.0556
0.75 246 -0.4058 0.4242 0.0389
0.75 258 -0.4663 0.3858 0.0414
0.75 270 -0.9305 0.3476 0.0643
0.75 282 0.5976 0.5786 0.0473
0.85 78 -0.828 0.5874 0.0589
0.85 90 -0.2866 0.5547 0.0347
0.85 102 0.2822 0.4383 0.0346
0.85 114 1.0355 0.5657 0.0701
0.85 126 0.5618 0.5088 0.0456
0.85 138 0.2108 0.6261 0.0327
0.85 150 -0.1707 0.6282 0.0318
0.85 222 -0.3915 0.4756 0.0384
0.85 234 0.2445 0.4311 0.0335
0.85 246 -1.0081 0.3988 0.0686
0.85 258 -0.4953 0.4465 0.0426
0.85 270 0.2626 0.4921 0.034
0.85 282 0.5003 0.4458 0.0429
0.85 294 0.1084 0.503 0.0307
0.95 78 -0.8507 0.4835 0.0601
0.95 114 -0.7763 0.4277 0.0562
0.95 126 -0.2287 0.4826 0.0331
0.95 138 0.5771 0.6255 0.0463
0.95 222 1.147 0.536 0.0763
0.95 234 0.7309 0.6114 0.0538
0.95 246 -0.1802 0.4552 0.032
0.95 258 0.4401 0.4344 0.0403
0.95 270 0.211 0.4001 0.0327
0.95 282 -0.0744 0.3854 0.0303
0.95 294 0.6462 0.4849 0.0496