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Measurement E151M2890

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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 : 0.0415 GeV2
W : 1595 GeV
ε : 0.5656
Ebeam : 1.3383 GeV
εL: 0.0285 

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
0.65 222 0.0882 0.2636 0.0301
0.75 162 0.0653 0.2713 0.03
0.75 234 -0.1111 0.2806 0.0301
0.75 246 0.3603 0.2566 0.0309
0.85 246 -0.0159 0.2597 0.03
0.55 222 -0.7489 0.1795 0.0335
0.85 222 0.2221 0.3891 0.0303
0.85 234 -0.1022 0.3206 0.0301
0.85 246 0.4427 0.314 0.0313