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Measurement E151M714

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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 : 0.0593 GeV2
W : 1715 GeV
ε : 0.7172
Ebeam : 1.9889 GeV
εL: 0.0333 

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
0.75 210 -0.4257 0.6394 0.0397
0.75 222 0.624 0.7708 0.0485
0.75 270 0.5426 0.6995 0.0447
0.85 198 0.4498 0.6736 0.0407
0.85 210 0.2671 0.7359 0.0342
0.85 222 -0.2893 0.6377 0.0348