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Measurement E151M1166

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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 : 0.205 GeV2
W : 1775 GeV
ε : 0.8368
Ebeam : 2.999 GeV
εL: 0.0986 

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
0.65 210 -0.4522 0.897 0.0446
0.65 282 -0.9621 0.6425 0.0765
0.65 294 -0.406 0.7553 0.0422
0.75 90 0.7545 1.0117 0.0628
0.75 198 2.1242 1.0599 0.1581
0.75 210 -0.775 0.8491 0.0641
0.75 222 1.1384 0.9203 0.0884
0.75 234 0.2193 0.9678 0.034
0.85 78 -0.5872 0.7756 0.0524
0.85 90 -0.9163 0.6706 0.0734
0.85 102 -0.8851 0.7792 0.0713
0.85 114 -0.2734 0.7944 0.036
0.85 186 0.341 0.9168 0.039
0.85 198 -0.2517 0.7203 0.0352
0.85 210 0.565 0.8426 0.051
0.85 222 0.3787 0.7963 0.0408
0.85 234 0.047 0.7834 0.0302
0.85 246 -0.3049 0.812 0.0374
0.95 186 -0.6573 0.8062 0.0566
0.95 198 -1.0029 0.7227 0.0792
0.95 210 -1.2403 0.6407 0.0955
0.95 222 -0.4917 0.7777 0.0468
0.95 234 0.9537 0.9068 0.0759
0.95 246 0.602 0.7448 0.0533