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Measurement E151M1205

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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 : 1895 GeV
ε : 0.7965
Ebeam : 2.999 GeV
εL: 0.0303 

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
0.75 114 -0.3912 0.9107 0.0414
0.75 270 0.3717 0.8414 0.0405
0.85 102 -0.3505 0.8357 0.0395
0.85 114 0.0715 0.8141 0.0305
0.85 126 -1.1443 0.7728 0.0889
0.85 186 2.0781 1.0395 0.1548
0.85 198 -0.0496 0.7758 0.0302
0.85 210 -0.9388 0.7406 0.0749