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Measurement E151M902

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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 : 0.1435 GeV2
W : 1625 GeV
ε : 0.8257
Ebeam : 2.2596 GeV
εL: 0.1151 

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
0.85 222 0.45 0.8443 0.0512
0.85 234 0.0875 0.8317 0.0311
0.65 294 -0.3946 0.6192 0.0396
0.75 210 0.5509 0.9097 0.047
0.85 102 0.3013 0.7696 0.0359
0.85 234 0.2315 0.8718 0.0336