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Measurement E151M381

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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 : 0.1435 GeV2
W : 1475 GeV
ε : 0.666
Ebeam : 1.3383 GeV
εL: 0.1626 

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
0.65 126 -1.0662 0.6261 0.0725
0.75 258 0.1664 0.6709 0.0317
0.95 270 0.4922 0.5436 0.0428
0.65 234 1.7009 1.3585 0.1067
0.75 258 0.2517 0.942 0.0336
0.85 246 -0.0515 0.9134 0.0302
0.85 258 3.3641 3.3641 0.2048
0.95 258 1.4188 1.098 0.0906