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Measurement E151M1011

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

Select data slice:
cos(θπ+) =
Observable quantity measured (Y axis): 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
0.75 78 0.5782 0.7336 0.0518
0.75 90 1.0769 0.8904 0.0842
0.75 258 0.4575 0.7746 0.0449
0.75 306 0.2147 0.7394 0.0339
0.85 270 -0.5474 0.6678 0.05
0.85 282 0.1713 0.7453 0.0325