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Measurement E151M887

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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 : 1595 GeV
ε : 0.8622
Ebeam : 2.2596 GeV
εL: 0.0839 

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
0.55 126 -0.5692 0.6466 0.0605
0.55 270 -0.2919 0.6249 0.0403
0.55 282 0.2079 0.6677 0.0356
0.65 114 0.0305 0.8208 0.0301
0.65 294 0.0829 0.623 0.031
0.75 126 0.079 0.8546 0.0309
0.75 210 -0.7073 0.7041 0.0718
0.75 234 0.2865 0.7265 0.04
0.75 282 0.3436 0.5734 0.0437
0.85 102 -0.9113 0.6881 0.0893
0.85 114 -0.1157 0.8921 0.0318
0.85 210 0.4579 0.7898 0.0518
0.85 222 -0.0888 0.7031 0.0311
0.85 234 0.9377 0.74 0.0916
0.95 234 1.6756 2.4628 0.1575
0.45 78 -0.728 0.5893 0.0564
0.45 270 0.956 0.6853 0.0695
0.45 282 0.2098 0.7025 0.033
0.55 114 -0.974 0.6234 0.0706
0.65 126 0.1018 0.7691 0.0307
0.65 138 -0.7418 0.7821 0.0572
0.65 222 0.8942 0.6878 0.0659
0.65 294 1.0542 0.7175 0.0754
0.75 114 0.4445 0.7642 0.0418
0.75 126 -0.3652 0.7016 0.0384
0.75 222 1.6107 0.899 0.1099
0.75 234 0.672 0.8771 0.0533
0.75 282 -0.7425 0.549 0.0572
0.75 294 -0.1126 0.7034 0.0309
0.85 90 -0.8133 0.7586 0.0612
0.85 102 -0.8073 0.6775 0.0609
0.85 198 0.6971 0.8775 0.0547
0.85 210 0.6329 0.7696 0.0512
0.85 222 1.6614 0.7103 0.1131
0.85 234 0.6565 0.92 0.0525
0.85 246 -0.9738 0.6887 0.0706
0.95 246 2.0642 1.2783 0.1387