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Measurement E151M3455

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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 : 0.7075 GeV2
W : 1385 GeV
ε : 0.8846
Ebeam : 2.999 GeV
εL: 0.7236 

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 78 -0.1529 0.236 0.0302
0.75 90 0.1748 0.2718 0.0302
0.75 258 -0.003 0.2619 0.03
0.75 306 -0.591 0.2243 0.0322
0.85 270 -0.2644 0.2762 0.0305
0.85 282 -0.0689 0.2729 0.03