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Measurement E151M645

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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 : 1565 GeV
ε : 0.821
Ebeam : 1.9889 GeV
εL: 0.1221 

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
0.35 66 -0.3756 0.783 0.0378
0.35 270 0.0925 0.8175 0.0305
0.45 282 1.3562 0.7813 0.0882
0.55 138 0.1427 0.8115 0.0312
0.55 222 -0.6388 0.6564 0.0493
0.55 234 0.2776 0.8079 0.0345
0.65 114 -0.7895 0.6558 0.0568
0.65 126 0.0696 0.7519 0.0303
0.65 138 -1.3012 0.6434 0.0851
0.65 210 0.965 0.8949 0.0662
0.65 222 1.6316 0.8481 0.1042
0.65 234 1.4776 0.8922 0.0952
0.75 114 -1.6123 0.44 0.1031
0.75 126 -1.0394 0.5542 0.0703
0.75 138 0.4767 0.8231 0.0418
0.75 198 0.896 0.9061 0.0625
0.75 210 -0.0475 0.5965 0.0301
0.75 222 0.3348 0.6954 0.0363
0.75 234 0.3872 0.6129 0.0382
0.75 246 0.7306 0.7019 0.0538
0.75 282 0.6003 0.8247 0.0474
0.85 90 -0.1216 0.6639 0.0309
0.85 102 -0.3264 0.7444 0.036
0.85 138 0.4793 0.7523 0.0419
0.85 210 0.913 0.7223 0.0634
0.85 222 0.5892 0.592 0.0469
0.85 234 0.9303 0.6465 0.0643
0.85 246 0.109 0.5811 0.0307
0.95 102 -0.7858 0.5979 0.0567
0.95 210 0.666 0.7452 0.0506
0.95 234 -0.1001 0.635 0.0306
0.95 246 0.7687 0.6524 0.0558