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Measurement E151M2676

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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 : 0.2915 GeV2
W : 1235 GeV
ε : 0.7954
Ebeam : 1.3383 GeV
εL: 0.9313 

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
0.55 270 -0.2056 0.2604 0.0303
0.75 294 0.5189 0.2641 0.0317
0.85 90 0.0854 0.277 0.03
0.85 126 -0.1759 0.2761 0.0302
0.45 282 0.0261 0.3967 0.03
0.55 270 0.3693 0.3275 0.0309
0.65 258 0.4642 0.2803 0.0314
0.65 270 -0.0259 0.3695 0.03
0.65 282 -0.5592 0.2562 0.032
0.85 102 0.0254 0.3815 0.03
0.85 114 -0.1362 0.3787 0.0301