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Measurement E151M440

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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 : 0.0143 GeV2
W : 1595 GeV
ε : 0.5921
Ebeam : 1.3383 GeV
εL: 0.0106 

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
0.65 150 2.129 1.5257 0.1317
0.65 222 2.062 1.3596 0.1277
0.65 234 -1.4528 0.4865 0.0925
0.75 222 -0.7774 0.6752 0.0556
0.85 222 3.7088 3.7088 0.2253
0.35 42 -1.0782 0.659 0.0732
0.75 222 1.1844 0.5808 0.0792
0.85 150 -0.5837 0.7036 0.047
0.85 234 0.2509 0.6172 0.0338