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Measurement E151M775

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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 : 0.348 GeV2
W : 1325 GeV
ε : 0.9017
Ebeam : 2.2596 GeV
εL: 0.7386 

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
0.85 246 -0.6143 1.3988 0.0641
0.75 258 0.7343 0.5666 0.0568
0.85 78 0.7081 0.6035 0.0553
0.85 102 0.0627 0.6362 0.0303
0.85 270 -0.4663 0.5691 0.0429
0.85 294 -0.6871 0.4379 0.0542