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Measurement E151M365

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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 : 0.0084 GeV2
W : 1475 GeV
ε : 0.7778
Ebeam : 1.3383 GeV
εL: 0.0136 

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
0.55 222 0.5347 1.1403 0.044
0.55 234 -0.0547 0.5678 0.0335
0.65 222 0.0038 0.6144 0.03
0.65 234 0.1339 0.5711 0.0362
0.75 222 0.7745 1.0962 0.0555
0.75 234 1.4622 0.5591 0.0954