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Measurement E151M3649

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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: ALU,
Beam 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): ALU,
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
ALU Stat. error Syst. error
0.75 114 0.414 0.2489 0.0311
0.75 270 0.1372 0.2478 0.0301
0.85 102 0.0405 0.264 0.03
0.85 114 0.4019 0.2225 0.0311
0.85 126 -0.2288 0.2661 0.0303
0.85 186 -0.4301 0.2332 0.0312
0.85 198 -0.5996 0.1851 0.0323
0.85 210 -0.1205 0.2566 0.0301